1.Nanometer hafnium nitride can be used to manufacture hot-end components of aero engines that operate in ultra-high-temperature environments, such as turbine blades. Due to its extremely high melting point and excellent high-temperature stability, it can withstand the extreme high temperatures and pressures inside aero engines, ensuring stable operation of the engines under harsh working conditions.

Detailed explanation: The working environment of hot-end components in aero engines is extremely harsh, with extremely high temperatures. The high melting point and high-temperature stability of nano-hafnium nitride enable it not to deform or melt in such an environment, thereby enhancing the performance and reliability of the engine and extending its service life.

2. Nano hafnium nitride can be used as a high-performance gate material in the field of electronic chip manufacturing. With its excellent electrical properties and compatibility with silicon-based materials, it can effectively increase the operating speed of chips and reduce power consumption.

Detailed explanation: As the performance requirements for chips continue to rise, there are also higher demands for the performance of gate materials. The excellent electrical properties of nano-hafnium nitride can optimize the electronic transport characteristics of chips, reduce energy loss, and at the same time, its compatibility with silicon-based materials ensures its smooth application in existing chip manufacturing processes.

3. The protective sleeves used for manufacturing high-temperature thermocouples, due to their high-temperature resistance and corrosion resistance, can ensure that the thermocouples accurately measure temperature in harsh environments such as high temperatures and strong corrosion.

Detailed explanation: In some industrial production processes, such as metallurgy and chemical engineering, it is necessary to measure temperature in high-temperature and highly corrosive environments. The protective sleeve made of nano-hafnium nitride can prevent the thermocouple from being eroded by the harsh external environment, ensure the normal operation of the thermocouple, and improve the accuracy and reliability of temperature measurement.

4. As a reinforcing phase of high-temperature ceramic composites, nano-hafnium nitride can significantly enhance the strength, hardness and thermal shock resistance of ceramic materials, enabling them to have a wider range of applications in high-temperature structural components.

Detailed explanation: Ceramic materials themselves have a certain degree of brittleness and are prone to damage under conditions such as high temperatures and thermal shock. Nano hafnium nitride, when added as a reinforcing phase to ceramic materials, can enhance the mechanical properties and thermal shock resistance of ceramic materials through mechanisms such as dispersion strengthening, enabling them to withstand greater stress and temperature changes. It is suitable for manufacturing high-temperature structural components.

5. Nano hafnium nitride can be applied as a structural material in nuclear reactors. Due to its good neutron absorption and scattering capabilities, as well as its excellent high-temperature resistance and radiation resistance, it helps ensure the safe operation of nuclear reactors.

Detailed explanation: There is a large amount of neutron radiation and high-temperature environment inside a nuclear reactor. The absorption and scattering capabilities of nano-hafnium nitride for neutrons can effectively control the behavior of neutrons and reduce the damage of neutrons to the structural materials of the reactor. Meanwhile, its high-temperature resistance and radiation resistance enable it to maintain structural stability in long-term radiation and high-temperature environments, ensuring the safe and reliable operation of nuclear reactors.

6.Adding nano-hafnium nitride to the coating of cutting tools can enhance the hardness, wear resistance and chemical stability of the tools, extend their service life, and improve the efficiency and quality of cutting operations.

Detailed explanation: Cutting tools need to withstand high pressure, high friction and high temperature during the processing. Nanometer hafnium nitride coating can enhance the hardness and wear resistance of the tool surface, reduce tool wear and damage, and at the same time, its chemical stability can prevent chemical reactions between the tool and the processed material, improving the quality and precision of the processed surface.

7. Used for manufacturing high-temperature resistance heating elements, the high melting point and excellent electrical properties of nano-hafnium nitride enable it to stably generate heat at high temperatures, providing a reliable heat source for some industrial processes that require high-temperature heating.

Detailed explanation: In some industrial production processes, such as high-temperature heat treatment and material sintering, heating is required in a high-temperature environment. The resistance heating elements made of nano-hafnium nitride can maintain stable electrical performance and structural integrity at high temperatures, continuously providing stable heat to meet the demands of industrial production.

8. Nano hafnium nitride can be used as a catalyst carrier. Its large specific surface area and special surface properties help to enhance the activity and selectivity of the catalyst, playing an important role in chemical catalytic reactions.

Detailed explanation: The performance of the catalyst carrier has a significant impact on the activity and selectivity of the catalyst. The larger specific surface area of nano-hafnium nitride can provide more active sites, enabling the catalyst to be better dispersed on the surface of the carrier and increasing the contact area between the catalyst and the reactants. Its unique surface properties can also interact with the catalyst, optimizing its electronic structure and thereby enhancing the catalyst's activity and selectivity.

9. The sensitive materials applied to high-temperature sensors accurately sense the changes in physical quantities such as temperature and pressure by taking advantage of the variations in their electrical properties at high temperatures, providing precise data for industrial process control.

Detailed explanation: In high-temperature industrial environments, it is necessary to accurately measure physical quantities such as temperature and pressure to achieve precise control of the production process. The changes in the electrical properties of nano-hafnium nitride at high temperatures follow certain regularities. By detecting the changes in its electrical properties, the variations in physical quantities can be accurately perceived, providing reliable data support for industrial process control.

10. Nano hafnium nitride can be used to manufacture high-performance electrode materials for capacitors. Due to its excellent electrical properties and high specific surface area, it can enhance the capacitance value and charging and discharging efficiency of capacitors.

Detailed explanation: The performance of capacitors mainly depends on the performance of the electrode materials. The excellent electrical properties of nano-hafnium nitride can reduce the internal resistance of capacitors and improve the charging and discharging efficiency. A higher specific surface area can increase the contact area between the electrode and the electrolyte, thereby enhancing the capacitance value of the capacitor and meeting the demand for high-performance capacitors in electronic devices.

11. As an additive for high-temperature lubricants, nano-hafnium nitride can form a lubricating film at high temperatures, reducing friction and wear between friction pairs and enhancing the operational efficiency and reliability of mechanical equipment in high-temperature environments.

Detailed explanation: In high-temperature environments, the performance of common lubricants will decline, leading to intensified friction and wear between friction pairs. Nano hafnium nitride, as an additive, can form a stable lubricating film at high temperatures, playing a role in reducing friction and anti-wear, protecting the components of mechanical equipment, extending their service life, and improving the operational efficiency and reliability of the equipment.

12. Nano hafnium nitride is used to manufacture optical coating materials. It has excellent optical properties, such as a high refractive index, and can be used to prepare films with special optical functions, which are applied in optical devices and optoelectronic equipment.

Detailed explanation: The performance of optical coating materials directly affects the performance of optical devices and optoelectronic equipment. The high refractive index and other optical properties of nano-hafnium nitride enable it to be used to prepare thin films with special optical functions such as anti-reflection films and reflective films, improving the optical performance of optical devices and meeting the demands of different fields for optical devices.

13. Nano hafnium nitride can be applied as electrode material in high-temperature batteries. Its high-temperature resistance and excellent electrochemical performance enable it to operate stably in high-temperature environments, enhancing the performance and safety of batteries.

Detailed explanation: In some special application scenarios, such as aerospace and military industries, batteries need to be able to operate normally in high-temperature environments. The high-temperature resistance of nano-hafnium nitride can ensure that batteries do not experience safety issues such as thermal runaway in high-temperature environments. Its excellent electrochemical performance can enhance the charging and discharging efficiency and capacity of batteries, meeting the performance requirements for batteries in high-temperature conditions.

14.Adding nano-hafnium nitride to refractory materials can enhance their high-temperature resistance, erosion resistance and thermal shock stability, enabling them to have better application effects in high-temperature industrial fields such as metallurgy and glass.

Detailed explanation: Refractory materials play a crucial role in high-temperature industries and need to possess excellent high-temperature resistance, erosion resistance, and thermal shock stability. The addition of nano-hafnium nitride can improve the microstructure of refractory materials, enhance their performance, enable them to better withstand high temperatures, chemical erosion and temperature changes, extend the service life of refractory materials, and improve the efficiency and quality of industrial production.

15. Nano hafnium nitride can be used to manufacture high-temperature sealing materials. By taking advantage of its stability at high temperatures and excellent sealing performance, it can prevent the leakage of high-temperature gases or liquids, ensuring the normal operation of industrial equipment.

Detailed explanation: In high-temperature industrial equipment, such as high-temperature pipelines and reaction vessels, sealing materials need to maintain good sealing performance at high temperatures to prevent the leakage of high-temperature gases or liquids. The high-temperature stability and sealing performance of nano-hafnium nitride make it suitable for manufacturing high-temperature sealing materials, ensuring the sealing and safety of industrial equipment.

16. As a reinforcing agent for high-temperature filtration materials, nano-hafnium nitride can enhance the strength and high-temperature resistance of the filtration materials, enabling them to effectively filter impurities in harsh environments such as high temperatures and high dust levels.

Detailed explanation: In some industrial production processes, such as steel smelting and cement production, a large amount of high-temperature dust is generated. High-temperature filter materials need to have sufficient strength and high-temperature resistance to ensure their normal operation in harsh environments. Nano hafnium nitride, as a reinforcing agent, can enhance the performance of filter materials, enabling them to filter impurities more effectively and protect the environment and equipment.

17. Nano hafnium nitride can be applied as the packaging material for high-temperature sensors. Its high-temperature resistance, moisture-proof and insulating properties can protect the sensitive components inside the sensor, improving the stability and reliability of the sensor.

Detailed explanation: The sensitive components of high-temperature sensors are susceptible to external environmental influences, such as high temperatures, humidity, and electromagnetic interference. Nano hafnium nitride, as an encapsulation material, can provide a good protective environment, prevent damage to sensitive components from external factors, ensure that sensors can work accurately and stably, and improve their reliability and service life.

18. Nano hafnium nitride is used to manufacture high-temperature optical window materials. Its high transparency and high-temperature resistance enable it to maintain excellent optical performance in high-temperature environments, meeting the requirements of high-temperature optical systems.

Detailed explanation: In some high-temperature optical systems, such as high-temperature imaging equipment and high-temperature spectrometers, it is necessary for optical window materials to maintain good transparency and optical performance at high temperatures. The high transparency and high-temperature resistance of nano-hafnium nitride make it suitable for manufacturing high-temperature optical window materials, ensuring the normal operation of optical systems.

19. Nano hafnium nitride can be used as the matrix material of high-temperature composite materials, combined with other reinforcing phases to prepare high-temperature structural materials with excellent comprehensive performance, which are applied in aerospace, energy and other fields.

Detailed explanation: High-temperature composite materials require the matrix material to have good high-temperature resistance and compatibility with the reinforcing phase. Nanometer hafnium nitride, as a matrix material, can be compounded with other reinforcing phases (such as carbon fibers, ceramic fibers, etc.) to enhance the comprehensive performance of the composite materials through synergistic effects, meeting the demands of high-temperature structural materials in aerospace, energy and other fields.

20.In the research of high-temperature superconducting materials, nano-hafnium nitride may be used as an additive or auxiliary material to improve the performance of superconducting materials, increase the superconducting transition temperature and critical current density.

Detailed explanation: The performance of high-temperature superconducting materials is influenced by multiple factors. Nanometer hafnium nitride may improve the crystal structure, electronic structure, etc. of superconducting materials through interaction with them, thereby increasing the superconducting transition temperature and critical current density, and promoting the research and application of high-temperature superconducting materials.

21. Nano hafnium nitride can be used to manufacture high-temperature electromagnetic shielding materials. By taking advantage of its ability to absorb and reflect electromagnetic waves, it can effectively shield electromagnetic interference in high-temperature environments and protect the normal operation of electronic devices.

Detailed explanation: In some high-temperature industrial environments, there exists strong electromagnetic interference, which can affect the normal operation of electronic devices. The absorption and reflection properties of nano-hafnium nitride on electromagnetic waves make it suitable for manufacturing high-temperature electromagnetic shielding materials. In high-temperature environments, it forms a shielding layer to block electromagnetic interference and protect the stability and reliability of electronic devices.

22. As a filler for high-temperature structural adhesives, nano-hafnium nitride can enhance the high-temperature resistance, strength and bonding performance of adhesives, enabling them to firmly bond structural components in high-temperature environments.

Detailed explanation: High-temperature structural adhesives need to maintain good bonding performance and strength at high temperatures. Nano hafnium nitride as a filler can improve the microstructure of adhesives, enhance their high-temperature resistance and mechanical properties, enabling them to firmly bond structural components in high-temperature environments and ensuring the stability and reliability of the structure.

23. Nano hafnium nitride can be applied in high-temperature electronic packaging materials. Its excellent thermal conductivity and electrical insulation performance can effectively dissipate heat and protect electronic components, enhancing the stability and reliability of electronic devices in high-temperature environments.

Detailed explanation: Electronic devices generate heat during operation, especially in high-temperature environments, where the issue of heat dissipation becomes more prominent. The excellent thermal conductivity of nano-hafnium nitride can quickly dissipate the heat generated by electronic components, reducing their temperature. Its electrical insulation performance can prevent electrical interference between electronic components, protect the normal operation of electronic components, and improve the stability and reliability of electronic equipment.

24. The special pore structure and chemical stability of nano-hafnium nitride, which is used to manufacture high-temperature gas separation membranes, enable it to selectively separate different gases at high temperatures, achieving gas purification and separation.

Detailed explanation: In some industrial production processes, it is necessary to separate and purify mixed gases. The special pore structure of nano-hafnium nitride enables selective separation based on the size and properties of gas molecules. Its chemical stability ensures the stability of the membrane in high-temperature and chemically corrosive environments, achieving efficient gas separation and purification.

25. Nano hafnium nitride can serve as an active component of high-temperature catalysts, participating in chemical reactions, enhancing the reaction rate and selectivity, and has significant applications in fields such as chemical synthesis.

Detailed explanation: The active components of a catalyst directly affect the rate and selectivity of a chemical reaction. Nanometer hafnium nitride has a special electronic structure and surface properties. It can be used as an active component of high-temperature catalysts, interacting with reactant molecules to reduce the activation energy of the reaction, increase the reaction rate and selectivity, and promote the progress of chemical synthesis and other reactions.

26. As an additive in high-temperature coatings, nano-hafnium nitride can enhance the high-temperature resistance, wear resistance and corrosion resistance of the coatings, protecting the base materials from damage in high-temperature environments.

Detailed explanation: High-temperature coatings need to have excellent high-temperature resistance, wear resistance and corrosion resistance to ensure the safety of the base material in high-temperature environments. Nano hafnium nitride, as an additive, can enhance the performance of coatings, form a strong protective coating, prevent the substrate material from being subjected to high-temperature oxidation, wear and chemical corrosion, and extend the service life of the substrate material.

27. Nano hafnium nitride can be applied in high-temperature biomedical materials, such as artificial joints, etc. Its excellent biocompatibility and high-temperature resistance enable it to work stably in vivo under simulated physiological conditions.

Detailed explanation: In the field of biomedicine, some materials implanted in the body need to have good biocompatibility and high-temperature resistance. The excellent biocompatibility of nano-hafnium nitride can reduce the immune response of the human body to the material. Its high-temperature resistance can ensure the stability and reliability of the material in a simulated physiological environment in vivo, making it suitable for manufacturing high-temperature biomedical materials such as artificial joints.

28. The heating element used in manufacturing high-temperature sensors, nano-hafnium nitride, with its high melting point and excellent electrical properties, enables rapid and stable heating at high temperatures, meeting the temperature control requirements of sensors.

Detailed explanation: In some high-temperature sensors, the heating element needs to be able to heat up quickly and stably at high temperatures to achieve precise temperature control. The high melting point and excellent electrical properties of nano-hafnium nitride enable it to be used as a heating element to provide stable heat in high-temperature environments, meeting the temperature control requirements of sensors.

29. Nano hafnium nitride can be used as an additive for high-temperature magnetic materials to improve their high-temperature performance and enhance the stability of their Curie temperature and magnetic properties.

Detailed explanation: The properties of magnetic materials are prone to change at high temperatures, which affects their application effects. Nano hafnium nitride, as an additive, can improve the crystal structure and electronic structure of magnetic materials through interaction with them, increase the Curie temperature and magnetic property stability of magnetic materials, and enable them to maintain good magnetic performance even in high-temperature environments.

30. As an interface modifier for high-temperature composite materials, nano-hafnium nitride can improve the interfacial bonding performance between the reinforcing phase and the matrix, enhancing the mechanical and comprehensive properties of the composite materials.

Detailed explanation: In high-temperature composite materials, the interfacial bonding performance between the reinforcing phase and the matrix has a significant impact on the performance of the composite materials. Nano hafnium nitride, as an interface modifier, can form a transition layer between the reinforcing phase and the matrix, improve the physical and chemical properties of the interface, enhance the interfacial bonding strength, and thereby improve the mechanical and comprehensive properties of the composite material.

31. Nano hafnium nitride can be applied as electrode material in high-temperature solar cells. Its excellent electrical properties and high-temperature resistance can enhance the photoelectric conversion efficiency and stability of solar cells in high-temperature environments.

Detailed explanation: When solar cells operate in high-temperature environments, their performance is prone to be affected. The excellent electrical properties of nano-hafnium nitride can reduce the internal resistance of batteries and improve the photoelectric conversion efficiency. Its high-temperature resistance can ensure the structural stability of the battery in high-temperature environments, prevent the battery from being damaged due to high temperatures, and improve the stability and service life of solar cells.

32. The sensitive film used in the manufacture of high-temperature sensors, nano-hafnium nitride, has special physical and chemical properties that enable it to generate sensitive responses to specific gases, temperatures and other physical quantities, achieving rapid and accurate detection of these physical quantities.

Detailed explanation: The sensitive film of a high-temperature sensor needs to have high sensitivity and rapid response capability to specific physical quantities. The special physical and chemical properties of nano-hafnium nitride enable it to be used as a sensitive membrane material, interacting with target physical quantities to generate electrical, optical and other signal changes. By detecting these signal changes, rapid and accurate detection of physical quantities can be achieved.

33. Nano hafnium nitride can be used as a reinforcing agent for high-temperature friction materials, enhancing the high-temperature friction coefficient and wear resistance of the friction materials, and ensuring their braking performance and safety at high temperatures.

Detailed explanation: When friction materials operate at high temperatures, their coefficient of friction and wear resistance tend to decline, affecting braking performance and safety. Nano hafnium nitride, as a reinforcing agent, can improve the microstructure of friction materials, increase their high-temperature friction coefficient and wear resistance, ensure that friction materials can work reliably at high temperatures, and guarantee braking performance and safety.

34.As an additive for high-temperature electronic ceramic materials, nano-hafnium nitride can improve the electrical properties, mechanical properties and high-temperature resistance of ceramic materials, enabling them to have a wider range of applications in high-temperature electronic devices.

Detailed explanation: High-temperature electronic ceramic materials need to possess excellent electrical properties, mechanical properties, and high-temperature resistance. Nano hafnium nitride, as an additive, can improve the crystal structure and microstructure of ceramic materials, enhance their performance, and enable them to meet the material performance requirements of high-temperature electronic devices, playing a significant role in high-temperature electronic devices.

35. Nano hafnium nitride can be applied as electrode material in high-temperature lithium-ion batteries. Its excellent electrochemical performance and high-temperature resistance help to enhance the battery's capacity, charge and discharge efficiency, and cycle stability.

Detailed explanation: When lithium-ion batteries operate in high-temperature environments, they are prone to problems such as capacity attenuation and reduced charging and discharging efficiency. The excellent electrochemical performance of nano-hafnium nitride can enhance the capacity and charge and discharge efficiency of batteries. Its high-temperature resistance can ensure the structural stability of batteries in high-temperature environments, reduce self-discharge and thermal runaway of batteries, and improve the cycle stability and safety of batteries.

36. Nano hafnium nitride is used to manufacture high-temperature optical fiber materials. Its high transparency and high-temperature resistance enable it to transmit optical signals in high-temperature environments, meeting the requirements of high-temperature optical communication and sensing.

Detailed explanation: In some high-temperature environments, such as industrial kilns and aircraft engines, optical fiber materials are required to be capable of transmitting light signals at high temperatures. The high transparency and high-temperature resistance of nano-hafnium nitride make it suitable for manufacturing high-temperature optical fiber materials, ensuring the stable transmission of optical signals in high-temperature environments and meeting the requirements of high-temperature optical communication and sensing.

37. Nano hafnium nitride can be used as a high-temperature adsorption material. Its large specific surface area and special surface properties enable it to adsorb specific gases or impurities at high temperatures, achieving gas purification and separation.

Detailed explanation: In some industrial production processes, it is necessary to purify and separate gases. The large specific surface area and special surface properties of nano-hafnium nitride make it suitable as a high-temperature adsorption material. At high temperatures, it can adsorb specific gases or impurities, separating them from the mixed gas and achieving gas purification and separation.

38. As a modifier for high-temperature catalyst carriers, nano-hafnium nitride can improve the surface properties and pore structure of the carriers, enhance the dispersion and activity of the catalysts, and strengthen the effect of catalytic reactions.

Detailed explanation: The performance of the catalyst carrier has a significant impact on the activity and dispersion of the catalyst. Nano hafnium nitride, as a modifier, can enhance the catalytic reaction effect by altering the surface properties and pore structure of the carrier, increasing the surface active sites of the carrier, improving the dispersion of the catalyst and its interaction with the carrier.

39. Nano hafnium nitride can be applied as a heat dissipation material for high-temperature electronic devices. Its excellent thermal conductivity can quickly dissipate heat, reduce the temperature of electronic devices, and enhance their operational stability and reliability.

Detailed explanation: Electronic devices generate heat during operation. Excessively high temperatures can affect the performance and lifespan of electronic devices. The excellent thermal conductivity of nano-hafnium nitride can be used as a heat dissipation material to quickly conduct away the heat generated by electronic devices, reduce the temperature of the electronic devices, ensure their operation within an appropriate temperature range, and improve their working stability and reliability.

40. The excellent electrical properties and high-temperature resistance of nano-hafnium nitride, the electrode material used in the manufacture of high-temperature sensors, can ensure that the sensors accurately measure physical quantities in high-temperature environments, thereby enhancing the performance and reliability of the sensors.

Detailed explanation: The electrode materials of high-temperature sensors need to have excellent electrical properties and high-temperature resistance to ensure that the sensors can operate normally in high-temperature environments. The excellent electrical properties of nano-hafnium nitride can reduce the resistance of the electrode, improve the sensitivity and response speed of the sensor. Its high-temperature resistance can prevent the electrode from deforming, oxidizing and other problems at high temperatures, ensuring the performance and reliability of the sensor.

41. Nano hafnium nitride can serve as a self-lubricating component for high-temperature composite materials, forming a lubricating film at high temperatures, reducing internal friction and wear of the composite materials, and enhancing their service life and performance.

Detailed explanation: In high-temperature environments, internal friction and wear of composite materials can affect their performance and service life. Nano hafnium nitride, as a self-lubricating component, can form a lubricating film at high temperatures, reducing the internal friction coefficient of the composite material, lowering wear, and enhancing the service life and performance of the composite material.

42. As a coating material for high-temperature optical reflectors, the high reflectivity and high-temperature resistance of nano-hafnium nitride enable it to maintain excellent reflective performance in high-temperature environments, meeting the requirements of high-temperature optical systems.

Detailed explanation: High-temperature optical reflectors need to maintain good reflective performance in high-temperature environments. The high reflectivity and high-temperature resistance of nano-hafnium nitride enable it to be used as a coating material to form a high-reflectivity film on the surface of the mirror, improving the reflection performance of the mirror and meeting the requirements of high-temperature optical systems for mirror performance.

43. Nano hafnium nitride can be applied as an electrolyte additive in high-temperature lithium-ion batteries, improving the ionic conductivity and stability of the electrolyte, and enhancing the charging and discharging efficiency and safety of the battery.

Detailed explanation: The performance of the electrolyte in lithium-ion batteries has a significant impact on the charging and discharging efficiency and safety of the batteries. Nano hafnium nitride, as an electrolyte additive, can improve the ionic conductivity and stability of the electrolyte, increase the migration rate of lithium ions in the electrolyte, reduce the internal resistance of the battery, and enhance the charging and discharging efficiency of the battery. Meanwhile, its stability can prevent the electrolyte from decomposing and burning at high temperatures, thereby enhancing the safety of the battery.

44. The housing material used for manufacturing high-temperature sensors, nano-hafnium nitride, with its high-temperature resistance, corrosion resistance and high mechanical strength, can protect the internal components of the sensor and enhance its reliability in harsh environments.

Detailed explanation: The housing of a high-temperature sensor needs to have high-temperature resistance, corrosion resistance, and high mechanical strength to protect the internal components of the sensor from the influence of the external environment. These properties of nano-hafnium nitride enable it to be used as a housing material to provide reliable protection for sensors in harsh high-temperature, corrosive and other environments, thereby enhancing the reliability and service life of the sensors.

45. Nano hafnium nitride can be used as an additive for high-temperature catalysts, working in synergy with active components to enhance the catalyst's activity, selectivity and stability, and promote the progress of chemical reactions.

Detailed explanation: In catalytic reactions, additives can interact with active components to improve the performance of the catalyst. Nano hafnium nitride, as an additive, can enhance the activity, selectivity and stability of the catalyst by regulating the electronic structure and surface properties of the active components, promote the progress of chemical reactions, and improve the efficiency and yield of the reactions.

46. As a toughening agent for high-temperature composite materials, nano-hafnium nitride can enhance the toughness and impact resistance of the composite materials, and improve their performance under complex stress conditions.

Detailed explanation: During the use of composite materials, they may be subject to complex stress effects such as impact and vibration, and thus need to possess excellent toughness and impact resistance. Nano hafnium nitride, as a toughening agent, can improve the microstructure of composite materials, enhance their toughness and impact resistance, enabling them to operate normally under complex stress conditions and improving their performance and reliability in use.

47. Nano hafnium nitride can be applied as an insulating material for high-temperature electronic devices. Its excellent electrical insulation performance and high-temperature resistance can prevent electrical short circuits inside electronic devices and ensure their normal operation.

Detailed explanation: Electronic devices require insulating materials to prevent electrical short circuits, especially in high-temperature environments, where the performance requirements for insulating materials are even higher. The excellent electrical insulation performance and high-temperature resistance of nano-hafnium nitride make it suitable as an insulating material for high-temperature electronic devices, providing reliable insulation protection in high-temperature environments and ensuring the normal operation of electronic devices.

48. Nano hafnium nitride, a sensitive element used in the manufacture of high-temperature sensors, has special physical and chemical properties that enable it to generate sensitive responses to a variety of physical quantities, achieving multi-functional and high-precision measurements.

Detailed explanation: High-temperature sensors require sensitive elements that can generate sensitive responses to multiple physical quantities to achieve multi-functional and high-precision measurements. The special physical and chemical properties of nano-hafnium nitride enable it to be used as a sensitive element material, interacting with different physical quantities to generate corresponding signal changes. By detecting these signal changes, the measurement of multiple physical quantities can be achieved.

49. Nano hafnium nitride can be used as a surface treatment agent for high-temperature structural materials, forming a protective film to enhance the material's high-temperature resistance, corrosion resistance and oxidation resistance, and extend the material's service life.

Detailed explanation: High-temperature structural materials are prone to damage in environments with high temperatures, corrosion, and oxidation, which affects their service life. Nano hafnium nitride, as a surface treatment agent, can form a protective film on the material surface, isolating the material from the external environment, improving the material's high-temperature resistance, corrosion resistance and oxidation resistance, and extending the material's service life.