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Mixed Mode Analysis of Obliquely Oriented Edge Cracked Semicircular Disk Under Compression

Surendra, KVN and Simha, KRY (2014) Mixed Mode Analysis of Obliquely Oriented Edge Cracked Semicircular Disk Under Compression. In: International Conference on Energy, Environment and Materials Engineering (EEME), FEB 22-23, 2014, Shenzhen, PEOPLES R CHINA, pp. 882-886.

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Official URL: http://dx.doi.org/10.13140/2.1.5171.3929


A new mixed-mode compression fracture specimen, obliquely oriented edge cracked semicircular disk (OECSD) is analyzed by extending pure opening mode configuration of edge cracked semicircular disk (ECSD) under Hertzian compression. Photoelastic experiments are conducted on two different specimens of OECSD of same size and different crack lengths and inclinations. Finite element method (FEM) is used to solve a number of cases of the problem varying crack length and crack inclination. FE results show a good match with experiments. Inclination of edge crack in OECSD can be so made as to obtain any mode-mixity ratio between zero and one and beyond for any crack length. The new specimen can be used for fracture testing under compression more conveniently than the existing ones in several ways.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the DESTECH PUBLICATIONS, INC, 439 DUKE STREET, LANCASTER, PA 17602-4967 USA
Keywords: Semicircular disk; Compression; Inclined edge crack
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 06 May 2015 05:50
Last Modified: 06 May 2015 05:50
URI: http://eprints.iisc.ac.in/id/eprint/51507

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