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本文研究了６５Ｃｒ４Ｗ３Ｍｏ２ＶＮｂ钢的渗硼行为，深入探讨了渗硼层的组织和结 构、心部强韧化处理后的组织和性能；提出了 ６５Ｃｒ４Ｗ３Ｍｏ２ＶＮｂ钢表面渗硼硬比、 心部强韧化的综合热处理工艺．
In this paper, the boronizing behavior of 65Cr4W3Mo2VNb steel was studied, and the microstructure and properties of the boronizing layer, the microstructure and properties of the core after toughening treatment were discussed in depth. The boronization hardiness ratio and toughening of the heart at 65Cr4W3Mo2VNb steel were proposed Heat treatment process.