因此在通常材料中所存在的各向异性完全消失，特别是缺口冲击韧性横向性能值提高了2～3倍。
The anisotropic characteristic which usually exists in materials disappeared completely especially the notch - impact toughness at the transverse direction was increased by 2-3 times.
根据试验测定的焊缝各区冲击韧性、断裂韧性、疲劳裂纹扩展速率和疲劳裂纹扩展门槛值，对焊缝力学性能作出综合评价。
The mechanical properties of the butt welded joints have been evaluated according to the impulsive and fracture toughness as well as the rate and threshold values of fatigue crack propagation.
针对评价中所需要材料的性能数据，对材料做性能测试，测定出材料的拉伸性能、夏比冲击韧性和断裂韧性（COD值）。
Such performances of material as tensile strength, yield strength, Charpy energy and COD fracture toughness are tested in experiment.
针对评价中所需要材料的性能数据，对材料做性能测试，测定出材料的拉伸性能、夏比冲击韧性和断裂韧性（COD值）。
Such performances of material as tensile strength, yield strength, Charpy energy and COD fracture toughness are tested in experiment.
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