航天典型金属材料离子渗氮技术研究进展

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Abstract：The developmentofnew spacecrafts has putforward higher requirements for bearing capacity，service life and lightweight of space mechanism.Ion nitriding technology，as an important means of surface strengthening， has high value in the manufacturing of high-performance，long-life，high-reliabilityand lightweight space mechanisms. The latest research progress ofion nitriding technologyof typical aerospace materials is introduced，and thecurrent technical gaps and future development directions are proposed.

Keywords：high-strength steel; titaniumalloy;aluminumalloy;ionnitriding

1序言

随着新一代航天器的不断发展，对空间机构性能和轻量化提出了更高的要求。（剩余13609字）