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。
Impact absorption work: the shape and size of the specimen in the impact test force under a role in the absorption of the power. Unit for J.
冲击吸收功：规定形状和尺寸的试样在冲击试验力一次作用下折断时所吸收的功。单位为J。
Repeated experiments were made to determine the proper shape and size of the specimen.
经反复试验，确定了剪皱试样的形状和尺寸范围。
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