The paper discusses over the influence exerted by welding residual stress on the static strength, brittle fracture and stress-corrosion cracking of metal structure.
本文介绍了焊接残余应力对金属结构的静强度、脆性断裂以及应力腐蚀开裂的影响。
For the brittle ceramic materials, flexural strengths are determined by the stress at fracture in transverse bending tests.
对脆性陶瓷材料来说,抗弯强度即为横向弯曲试验中样品断裂时的应力。
Longitudinal crack of drill pipe box joint is brittle fracture at low stress.
钻杆接头的各种纵向开裂属于低应力脆性断裂。
The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.
结果表明,在连接杆焊缝附近的热影响区中存在大量针状马氏体组织,在低应力的作用下,导致材料发生脆性断裂。
The failure of the driving shaft in a hoister is caused by typical brittle fracture under low stress.
卷扬机传动轴的断裂为典型的低应力脆断事故,主要原因是传动轴的组织疏松、晶粒粗大、。
The material embrittlement and residual stress leads to the final brittle fracture of the ball roller.
材料的脆化及较大的应力导致压球辊最终的脆性断裂。
The geodynamic setting of the ductile shear may be the later Magma Intrusion and the brittle fracture is related to the NS-trending stress field in this area.
韧性剪切作用的动力学背景可能是受后期岩浆侵入的影响,最后的脆性破裂应与区域上存在南北向的压应力有关。
They extend under the action of thermal stress and finally result in intercrystalline brittle fracture.
在热应力作用下扩展,最终导致沿晶脆断。
Calculation methods of crack spread length are investigated by means of stress theory and brittle fracture theory.
本文从强度理论和脆断理论两方面对此情况下裂纹传播长度的计算方法进行探讨。
To increase component of grinding force ratio can increase principal stress extreme values in grinding stress field. Materials can be removed by brittle fracture.
粗加工中,增加磨削分力比可以增大磨削应力场中的主应力极值,有助于材料的脆性去除。
There exist a complex brittle fracture system and a tectonic stress field within 2000 m of the main hole.
在主孔2000米之内,存在复杂的脆性破裂系统和构造应力场。
Brittle fracture is a stress corrosion cracking phenomenon which occurs in high voltage composite insulators. Previous studies all focused on the source of the "corrosion" medium, e. g. the acid.
脆断是高电压复合绝缘子发生的应力腐蚀断裂现象,国内外的研究基本集中在“腐蚀”介质酸的来源上。
The thickness of steel elements with high stress concentration is a very important factor for brittle fracture. Its effects depend on the complex stress state for the stress concentration area.
含高应力集中钢结构构件的厚度是影响其发生脆性破坏的一个重要因素,它的影响是和其应力集中区的复杂应力状态相联系的。
The thickness of steel elements with high stress concentration is a very important factor for brittle fracture. Its effects depend on the complex stress state for the stress concentration area.
含高应力集中钢结构构件的厚度是影响其发生脆性破坏的一个重要因素,它的影响是和其应力集中区的复杂应力状态相联系的。
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