The problem of elastoplastic stress singularity near the tip of V notch is studied.
研究了V型切口尖端的弹塑性应力奇异性问题。
The effects of thickness and notch orientation on the toughness of X70 pipeline steel samples with V notch were investigated experimentally by use of the 3-point bending test at different temperature.
通过不同温度条件下不同厚度、不同缺口取向含V形缺口试样进行3点弯曲试验研究，发现X70管线钢具有严重的各向异性现象，其在平行钢板表面方向和沿钢板厚度方向力学性能差异较大。
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。
Via a series of contrast experiments, the machine's main parameters accorded to the international standard of ISO 14556:2000 (e) "Steel-charpy V-notch impact test - Instrumented test method".
通过一系列对比试验，证明主要指标达到国际标准ISO 14556： 2000 (E)《钢材V型缺口冲击试验——仪器实验方法》的要求。
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。
This paper presents a theoretical basis for solving the problems of V-notch both in fracture design by crack-technique and safe design.
本文的结果，为解决安全设计和裂纹技术的断裂设计中有关V型切口的问题提供了理论依据。
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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