1 1 引言 ........................................................................................................................................................... 2 2 模具钢概述 ............................................................................................................................................... 2 2．1 模具钢定义 ..................................................................................................................................... 2 2．2 模具钢的分类 ................................................................................................................................. 3 2.3 国内外模具钢研究现状 .................................................................................................................... 5 2 .3 .1 国内模具钢现状 ......................................................................................................................... 5 2 .3 .2 国外模具钢的现状 ...................................................................................................................... 5 3 热作模具钢相关理论综述 ....................................................................................................................... 6 3.1 热作模具钢定义 ................................................................................................................................ 6 3.2 热作模具钢分类 ................................................................................................................................ 6 3.3 合金元素对钢的影响 ........................................................................................................................ 7 4 关于 3CR2W 8V 钢研究 ......................................................................................................................... 8 4.1 3CR2W 8V 钢研概述...................................................................................................................
