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w6mo5cr4v2a1 gao su gang gong ju de fan xiu re chu li
Author(s): 
Pages: 23-29
Year: Issue:  5
Journal: Heat Treatment of Metals

Keyword:  萘状断口返修热处理;
Abstract: W6Mo5Cr4V2Al高速钢工具在返修热处理过程中.为避免萘状断口,需在第二次淬火前,在Ac1点的上、下限的任一处先进行预处理;然后采用低温短时加热淬火工艺进行处理。作者认为第二次淬火产生萘状断口的原因是由于淬火加热过程中"微区域"能量不平衡所引起的。
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