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用微量炸药接触爆炸的方法，研究了钨合金９３Ｗ─４Ｎｉ─３Ｆｅ在高加载率条件下的断裂特性，通过宏、微观观察，以及与静态断裂特性相比较，发现随着加载率的增加，钨─钨界面裂纹增加，致使钨合金的断口呈脆性状态。
The contact characteristics of 93W-4Ni-3Fe alloy were investigated by macro-and micro-observation and static fracture analysis. It was found that with the increase of the loading, ─ Increasing the crack at the tungsten interface, resulting in brittle fracture of the tungsten alloy.