Experimental Investigation of Hot Forming of Zn‐Coated Hot‐Stamping Steel
Wenyu Ma,
Xuetao Li,
Xuebin Zheng
et al.
Abstract:An investigation on the thermal property, fracture mechanism of substrate and coating layer, liquid‐metal embrittlement (LME) crack, coating layer morphology, microstructure, and hardness of Zn‐coated hot‐stamping steel is presented. The effect of forming temperature on the LME is studied. The crack mechanism of substrate at elevated temperature is ductile fracture with various‐sized dimples. The inclusions in the dimples are also detected and researched. However, the fracture mechanism of coating layer and we… Show more
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