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。
Based on the shape factor and the effective Poisson ratio an effective method to transform from lateral strain of funnel-like specimen to axial strain of standard specimen is developed.
基于形状因子与等效泊松比的原理,建立了——漏斗型小试样径向应变向轴向应变换算的等效方法。
Based on the analysis, the principle of iso-stress sample design and the shape and dimensions of a recommended iso-stress specimen for bending fatigue of sheet materials have been suggested.
基于这种分析结果,提出了板材弯曲疲劳等应力试样设计原理以及推荐试样的形状和尺寸。
In addition, a set of creep-fatigue controlling device which ADAPTS for RD_2-3 tester is designed and a calculative formula of limit load PL of C-shape specimen is discussed.
另外,作者设计了一台适合于RD_2——3型试验机的蠕变-疲劳控制装置;并讨论了C形试样极限载荷p_l的计算公式。
In addition, a set of creep-fatigue controlling device which ADAPTS for RD_2-3 tester is designed and a calculative formula of limit load PL of C-shape specimen is discussed.
另外,作者设计了一台适合于RD_2——3型试验机的蠕变-疲劳控制装置;并讨论了C形试样极限载荷p_l的计算公式。
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