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电脉冲时效对预变形Fe-Mn-Si-Cr-Ni-C合金形状记忆效应及Cr23C6析出的影响

前言:
Key words:shape memory effect;ageing;electric pulse treatment;Cy23C6 carbide Since Sato et a1.found in 1 982 that Fe—Mn.Si alloys exhibit an excellent shape memory effect(SME)in a single crystal Llj, many studies have been carried out on these alloys because Fe-Mn—Si based shape memory alloys(SMAs)have good workability,good machinability and good weldability.How- ever,Fe·-Mn·-Si alloys have got no important industrial appli·· cations.The main reason is that the SME in Fe.Mn-Si alloys is ......
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