The fracture reasons of forming dies, which cracked during forming process of cranks, were analyzed by means of chemical composition analysis, metallographic examination and fracture analysis in this paper.
The fracture reasons of forming dies, which cracked during forming process of cranks, were analyzed by means of chemical composition analysis, metallographic examination and fracture analysis in this paper.
摘要采用化学成分分析、金相检验和断口分析等方法，对开裂的成型模进行了分析。