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硬质合金中钴池以孔隙形式存在成为一种主要断裂源,严重地影响了横向断裂强度.本文对钴池的形成原因作了分析和总结,对钴池中台阶结构的形成机制作了探讨.
The existence of the cobalt pool in the cemented carbide as a pore source has become a major source of fracture and has seriously affected the transverse rupture strength.This paper analyzes and summarizes the formation of the cobalt pool and discusses the formation mechanism of the step structure in the cobalt pool .