淬火工艺概述
钢的淬火
钢的淬火指的是把钢加热、保温、 快冷使零件硬化的热处理工艺。淬火后获得马氏体或贝氏体组织。
淬火分为完全淬火和不完全淬火。
完全淬火 :马氏体含碳量过高,易开裂和形成大量残余奥氏体;
不完全淬火 :有细小弥散渗碳体残余,奥氏体含碳量低,因而淬火时不易开裂,且残余渗碳体量少。
31页PPT介绍
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