... notch sensitivity切口灵敏度 notch toughness切口韧性 notched bar impact test凹口冲辉验 ...
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研究了试样类型、试样厚度、比例试样尺寸及切口尖度等因素对普碳轨钢断裂韧性的影响。
The effect of specimen type, thickness, dimension ratio, and notch sharpness on fracture toughness of a carbon rail steel was examined.
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