The crack appears at the edge angle due to stress concentration caused by alternating load,which finally leads to the fissuring of die plate.

 
  • 凹模在使用過(guò)程中,由于交變載荷的作用,使碳化物的棱角處應力集中出現裂紋,最終導致凹模開(kāi)裂。
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