It expatiated the effects of the factors, such as sample size, temperature, humidity, notch and etc, on the result of the plastic impact strength test.
阐述了试样尺寸，温度、湿度、缺口以及缺口加工方式等因素对塑料冲击强度测试结果的影响。
The specimen deformation and the crack morphology were studied. After comparing with the fracture of flame chamber of aerojet, the most suitable size and shape of specimen notch has been determined.
研究了试样的变形和裂纹的形态，并与航空喷气发动机的火焰筒的断裂特征进行了比较，找到了最佳的试样缺口的形状和尺寸。
Using 945 steel and 921a steel, this article studies the effect of weld profile and size on the cracking behavior of a central notch in a three-notch specimen for an explosion bulge test.
选用水面舰艇用945钢和潜艇用921a钢，研究了不同焊缝外形尺寸对爆炸试验中三缺口试样的中央缺口开裂行为的影响。
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