Crack initiation at the rectangular step notch surface under combined loading

J. J. Golecki; J. D. Suzdalnitsky

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Crack initiation at the rectangular step notch surface under combined loading

机译：组合载荷作用下矩形台阶缺口表面的裂纹萌生

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Under external forces acting on the face of a notch, cracks originate at corners, and the system is liable to fail. An analysis is presented of the stress field in the neighborhood of the notch tips, based on the integral representation of the biharmonic solution and on numerical methods. Computations were performed for constant loading or constant displacement dis- tributed along one face of the notch. The coefficients in the principal terms of the asymptotic formulae for the circumferential and shear stresses depend on the angle and height of the notch face and on the boundary conditions.

机译：在作用于槽口表面的外力作用下，裂纹会在拐角处产生，并且系统很容易发生故障。基于双调和解的积分表示和数值方法，对缺口尖端附近的应力场进行了分析。计算沿槽口一面分布的恒定载荷或恒定位移。圆周应力和剪应力的渐近公式的主要术语中的系数取决于刻痕面的角度和高度以及边界条件。

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来源
《Archive of Applied Mechanics》 |2001年第9期|p.640-648|共9页
作者
J. J. Golecki; J. D. Suzdalnitsky;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Crack; Fracture; Notch;

机译：裂纹;断裂;缺口;

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Crack initiation at the rectangular step notch surface under combined loading

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