ASTM D256测定塑料抗摆冲击性能的标准试验方法
re specimens made with a milled notch. In Test Methods A,C, and D , the notch produces a stress concentration that increases the probability of a brittle, rather than a ductile, fracture. In Test Method E, the impact resistance is obtained by reversing the notched specimen 180 in the clamping vise. The results of all test methods are reported in terms of energy absorbed per unit of specimen widthorper unit of cross-sectional area under the notch
ASTM D256测定塑料抗摆冲击性能的标准试验方法相关标
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