<正> 本试验用Invar型合金Ni32Co4Cu探讨了马氏体的逆转变过程,逆转变奥氏体的某些特性,及运用转变的可逆性发展奥氏体的稳定化与超稳定化效果,以寻求稳定组织,改善性能的热处理新途径。 所用合金化学成分(重量％)为:
The process of opposite martensite transformation in Ni32Co4Cu alloy on heating has been studied. The stabilization and super-stabilization of austenite may be sufficiently displayed by the phase change cold work for austenite in the opposite transformation. After the double deep cold cyclic treatment, an alloy of lower linear expansion coefficient and stable microstructure under low temperature was obtained, as well as it was available to improve its mechanical properties and machinability.
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