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20crmnti gang fei ping heng zu zhi de zu zhi yi chuan de yan jiu
Author(s): 
Pages: 1-10
Year: Issue:  6
Journal: Ordnance Material Science and Engineering

Keyword:  组织遗传奥氏体转变贝氏体板条状试样尺寸晶粒长大疵病马氏体板条钢件魏氏组织;
Abstract: <正> 一、引言 钢件淬火奥氏体化前的原始组织、通常均用平衡组织(珠光体型转变产物),而不用非平衡组织(马氏体、贝氏体、α-Fe魏氏组织等)。其主要原因之一是因为人们过虑粗大的非平衡组织加热时会获得粗大的奥氏体晶粒(即所谓组织遗传)和淬火后容易发生过大变形及开裂等疵病。
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