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。
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。
Rough surface is easy to generate V shape of stress concentration, which reduce fracture strength.
粗糙表面的晶粒间易产生V形口，导致应力集中，降低了膜的断裂强度。
Objective To discuss the clinical result of A-V impulse pump application in the treatment of intra-articular calcaneal fracture.
目的探讨动静脉泵在跟骨关节内骨折围手术期应用的临床意义。
The findings indicate that the brittle fracture criterion for V-notches with single singularity is valid and simple, so it can be applied to engineering conveniently.
结果表明所给出的单奇异性V形切口的脆性断裂准则有效、简单且便于工程应用。
SMOOTH V series cut off copper, aluminium row fracture with no deformation.
字系列，切断铜铝排断口平整，不变形。
The failure parts of the CVT metal V-belt which produced in domestic ruptures are analyzed, the break source position is found and the fracture mode of the failure blocks is presented.
通过对某型国产CVT金属带断裂件进行失效分析，发现了摩擦片断裂源位置，提出了摩擦片的失效模式。
The optimum angle of V-shaped cracks is obtained. The fracture control effect is verified by three-dimensional modelling tests.
实验得出了最佳V型裂纹张角，对其断裂控制效果作了三维模型试验验证。
The lamellar cracking was found at the specimen of HSLA Nb-V steel plate after tensile strength testing, then the fracture surface of the specimen was studied by SEM and EDAX.
针对高强度低合金铌钒钢板在拉伸试验后出现分层开裂的现象，采用SEM、EDAX进行微观分析，发现试样内部有大量夹杂物存在，这些夹杂物主要含有钙、氧、硫、锰等元素。
The lamellar cracking was found at the specimen of HSLA Nb-V steel plate after tensile strength testing, then the fracture surface of the specimen was studied by SEM and EDAX.
针对高强度低合金铌钒钢板在拉伸试验后出现分层开裂的现象，采用SEM、EDAX进行微观分析，发现试样内部有大量夹杂物存在，这些夹杂物主要含有钙、氧、硫、锰等元素。
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