OALib Journal期刊
Cr含量对30CrNi5MoV钢“软化”效应的探讨
, PP. 85-134
Abstract:
Cr强烈地引起30CrNi5MoV钢的“软化”,在相同的试验条件下,随着Cr含量的增加(0.22—1.61％Cr),钢的条件比例极限(σP_(50))呈直线下降的趋势。用光学显徽镜、透射电镜和相分析等方法研究了这种“软化”效应。结果表明,“软化”主要是由于Cr改变溶质原子在α-Fe中的溶解度、粗化马氏体的亚结构及降低碳化物的长度与碳化物间距的比值从而降低σp_(50)的结果。
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