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。
The application of the maximum tensile criterion to V-notch and the size effect of the fracture criterion of mixed mode are also discussed.
讨论了最大拉应力理论在V形切口中的应用问题；并探讨了复合型断裂准则的尺寸效应。
Considering the actual size of the feeding notch of the H-shaped antenna, a goal function with constraint conditions is advanced on the basis of the T-shaped feeding in this article.
考虑H形天线馈电凹槽的实际尺寸，在T形馈电的基础上本文还建立了一个带约束条件的目标函数。
Note: in case of the special requirements, the sample size and notch-groove depth shall be executed according to the requirements of corresponding technical conditions or mutual agreements.
注：试样尺寸和刻槽深度如有特殊要求时，应按相应的技术条件或双方协议的规定执行。
Objective To observe and measure the size and shape of the intercondylar notch.
目的观测股骨髁间窝的形态及大小。
The influence of phosphorus and grain size on yield strength and Charp V-notch toughness of low carbon steels have been investigated.
研究了磷含量和晶粒尺寸对低碳钢的屈服强度、 冲击韧性和韧脆转变温度的影响。
At the top of notch, small size elements were used to simulate its stress singularity. The examples demonstrate that the present method could provide accurate results.
本文用边界元位移及应力外推法计算了V形切口的应力强度因子，在切口顶端附近设置小单元用以模拟切口顶端的应力奇异性。
CVN(Charpy V-notch) toughness and grain size number of J55 grade oil casings produced by Baotou Iron and Steel Company did not meet the reiative standards in the past.
本文针对包钢原来生产的J55石油套管冲击韧性不足，晶粒粗大的问题开展研究。
CVN(Charpy V-notch) toughness and grain size number of J55 grade oil casings produced by Baotou Iron and Steel Company did not meet the reiative standards in the past.
本文针对包钢原来生产的J55石油套管冲击韧性不足，晶粒粗大的问题开展研究。
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