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珠光体在什么温度转变为奥氏体
更新时间: 2020-07-06 00:00:00  

1、奥氏体化温度、转变前奥氏体晶粒大小,只影响珠光体团的大小,对片层间距无影响。片状珠光体根据片间距的大小不同,可以分成珠光体、索氏体、托氏体三类;

2、一般所谓的片状珠光体是指在A1至650摄氏度温度范围内形成的,在光学显微镜下能明显分辨出铁素体和渗碳体层片状组织形态的珠光体,其片间距大约为150至450纳米。在光学显微镜下能够明显分辨出片层的珠光体,其片间距约为150至450纳米;

3、在650至600摄氏度温度范围内形成的珠光体,其片间距较小,约为80至150纳米,只有

关键词: 什么 温度 转变

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