Stress intensity factors for embedded cracks within torsionally loaded square prismatic bars

Zhou, Ding and Liew, Haw Ling and Purbolaksono, Judha and Andriyana, Andri and Chong, Wen Tong (2019) Stress intensity factors for embedded cracks within torsionally loaded square prismatic bars. Advances in Mechanical Engineering, 11 (4). p. 168781401982808. ISSN 1687-8132

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Official URL: https://doi.org/10.1177/1687814019828085

Abstract

The behavior of embedded planar elliptical cracks within square prismatic bars that are commonly used as torque-resisting structural components motivates this work, as the literature for such stress intensity factors is evidently deficient. The stress intensity factors are evaluated using the dual boundary element program of Beasy, and studied by considering the elliptical aspect ratio and the eccentricity in the sense of an offset from the centroid. The variation of shear mode stress intensity factors for a penny crack situated near to the free surface and the square corner is also reported for the first time, complementing the available results for tensile mode.

Item Type: Article
Uncontrolled Keywords: dual boundary element method; embedded crack; shear mode; square prismatic bar; Stress intensity factor
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 31 Oct 2019 08:36
Last Modified: 31 Oct 2019 08:36
URI: http://eprints.um.edu.my/id/eprint/22895

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