Evaluation of fracture toughness of the alloy steel by the JR resistance curve shows the influence of heat treatment technology.
应用所得JR阻力曲线对合金钢的断裂韧度的评定表明了热处理工艺的影响。
Fracture toughness of X70 pipeline steel was tested with the method of resistance curve of energy value J.
采用阻力曲线法测定了X70管线钢的断裂韧度。
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