【摘要】 在对Ｗ－Ｎｉ－Ｃｕ合金断口形貌的观察中，发现合金材质内部存在着孔隙、驻化、成分偏析等缺陷，本文分析了产生这些缺陷的有关工艺因素，并进一步探讨了Ｗ－Ｎｉ－Ｃｕ合金的制备工艺。更多还原

【Abstract】 During the fractography of W-Ni-Cu alloy, various defects such as pore, pollution and ingredient segregation and so on. have been found. This paper analyzes the technological factors causing formation of these defects and gives suggestions for process improvement.更多还原