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2 年
西安交通大学柳永宁:十余载超细晶钢的固态相变与力学性能研究
这个想法源自一个简单的推论:钢中的珠光体是一个常见的组织,由渗碳体和铁素体层片交替组成,层片间距在 30~450nm,取决于转变温度和冷却速度。
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