Results showed that the fracture was caused by higher content of O2, a large amount of Cu2O and residual stress.
结果表明，氧含量超标，存在大量的脆性相氧化亚铜，且材料内部仍留有部分残余应力，是失效的主要原因。
Results showed that the fracture was caused by higher content of O2, a large amount of Cu2O and residual stress.
结果表明，氧含量超标，存在大量的脆性相氧化亚铜，且材料内部仍留有部分残余应力，是失效的主要原因。
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