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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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7075铝合金在液体金属Ga中的脆断行为
, PP. 615-620
Keywords: 7070铝合金,液体金属脆,Ga
Abstract:
用WOL恒位移试样研究了7075铝合金在液体金属Ga中的脆断行为金相跟踪观察表明，Ga吸附后首先促进局部塑性变形，在缺口前方形成四下的塑性区，然后脆性激裂纹形核．液体金属脆断的临界应力强度因子．反向加载（位移V＜0）时，液体金属脆性激裂纹在远离缺口顶端的拉应力区中形核，微裂纹向拉应力区扩展而中止于压应力区反向加载时，试作断裂的名义应力强度因子为．所有断裂试样均为沿晶断口．
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