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There is talent, there is material, there is future | permalloy (II)
Author： Radium laser
2021-09-15
Tag:
Permalloy successfully listed in Xin Jinghe printable material team
1. The Call of New Technology
Permalloy plays an important role and significance in the aerospace industry precision components, with the increasing refinement of the structure of the spacecraft, lightweight, structural and functional integration, the application of some thin-walled, lattice and other complex components of the growing demand, which poses a challenge to the traditional process.Selective Laser Melting Technologyhasnon-die forming,High dimensional accuracyandgood metallurgical qualityIt is very suitable for the manufacture of such parts, with significant advantages.
If you sail against the current, you will retreat if you do not advance. Xin Jinghe R & D team took the initiative to forge ahead and organized and planned permalloy.1J80A large number of experiments and tests have been carried out, and the laser selective melting forming process has been successfully overcome.metallographicdense tissue,excellent mechanical properties,High dimensional accuracyand successfully used in a space product.
2. 1J80Material characteristics and printing difficulties
The technical difficulties of the material printing are: the residual stress in the printing process is large, and the magnetic properties are very sensitive to the heat treatment process and residual stress. The problem was solved successfully by optimizing the printing process parameters and route by R & D personnel.
3. Performance
Figure1 Metallographic structure (density99.6%）
Table1 Room temperature mechanical properties (heat-treated state)
Sword front comes from sharpening, plum blossom fragrance comes from bitter cold. Xin Jinghe R & D team will always keep in mind the initial intention of "serving the country by aviation" and refine it.“science and technology innovation”attributes, uphold“Innovation-driven, win-win cooperation”The market concept and“Make everything you want.”The design concept, to meet customer needs as its own responsibility, to technological innovation as the forerunner, continue to promote the research and development of new materials, new processes and new equipment, and continue to provide users with high-quality and reliable products.
Selective Laser Melting Technology
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