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di tan he jin gang lin jie dian de tan tao
Author(s): 
Pages: 102-105
Year: Issue:  2
Journal: Research on Iron and Steel

Keyword:  低碳合金钢膨胀曲线临界点拐点温度显微组织居里温度原始组织磁化强度磁感强度奥氏体;
Abstract: <正> 一、前言在常规临界点检验过程中,钢的膨胀曲线形状可分为三类。如图1所示。ⅰ曲线有两个拐点a和b,即A_c1开始转变点和ACm转变终了点,这一类型多属过共析钢。而对低碳钢和低碳合金钢,其膨胀曲线如ⅱ曲线,
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