... crack growth resistance 抗裂纹扩展性 Crack entension resistance curve 裂纹扩展阻力曲线 crack-resistance 抗裂性 ...
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焊缝区和热影响区试样的辉纹间距较基体区的大，说明裂纹扩展速率快，焊缝和热影响区的抗裂纹扩展性较基体差。
The striation spacing in heat affect zone and welded seam samples was wider than that in matrix sample, this shows that fatigue crack propagation...
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