The main target of aviation industry service is high-end weaponry, and its production strength largely determines the strength of international competitiveness. The key components are not only the guarantee of aero-engines, but also the foundation of high-end mechanical equipment. The service life of key components determines the service life of the whole high-end mechanical equipment; vacuum heat treatment controls the phase transformation and microscopic of key components by using heating, cooling, vacuum pressure and Other technologies. Organization, etc., to give the key components service performance or ultimate service performance; through the whole process quality management control vacuum heat treatment production process in the human, machine, material, law, ring, measurement, inspection, audit, security, secret and other links to ensure key components Reliability, stability and consistency of service performance or extreme service performance.

Whether a country is strong depends on whether the national life is rich and live and work; second, it depends on whether the country’s right to speak on the international stage is highly authoritative; the third is to see whether the national defense force is strong enough; See if the basic industry and high-end mechanical equipment industry have strong competitiveness in the world. The production strength of high-end weapons and equipment largely determines whether the national defense force is strong enough. This is absolutely an indisputable fact. The object of the aviation industry service is high-end weaponry. Its production strength largely determines whether the defense force is strong enough, including aircraft, helicopters, engines, etc., such as aero engines are from the intake port, compressor, It consists of key components such as combustion chambers, turbines, and tailpipes. Its main features are composed of thousands of key components such as blades, discs and bearings. The so-called key components refer to the components that determine the main functions of the equipment, the lifespan and reliability of the equipment. Specifically related to three types of components, namely: rotating components, such as blades, discs, shafts, etc.; transmission components, such as gears, bearings, etc.; main bearing components, such as joints, butt bolts, springs, etc. The key components are the guarantee of key components (such as turbines, compressors, etc.) and the basis of high-end weaponry (such as engines, airplanes, etc.). The service life of key components determines the service life of the entire high-end weaponry. In his "China Heat Treatment and Surface Modification Technology Roadmap", Academician Zhao Zhenye identified vacuum heat treatment technology as one of the core technologies for high-end weapon equipment and its key components. The vacuum heat treatment technology controls the phase change, microstructure and residual stress of key components by using techniques such as heating, cooling, and vacuum pressure to impart service performance or ultimate service performance to key components. Therefore, the vacuum heat treatment technology is the key technology to realize the long life, high reliability and structural weight reduction of key basic components. The innovative development of vacuum heat treatment technology is the foundation and the only way to build a strong country of materials and a strong manufacturing country.

Vacuum heat treatment is a unique overall modification technique. The key components after vacuum heat treatment can not only ensure the required microstructure, mechanical properties and process performance, but also deepen the potential of key components, ensure and improve the quality and life of key components, and maximize the potential of materials. In order to meet the technical requirements of long life, high performance and structural weight reduction of key components, realize the economic affordability of the whole life cycle, obtain the intellectual property rights of independent innovation, and reach the international advanced level. The vacuum heat treatment technology belongs to the national core competitiveness.
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