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Determination of
strain gage locations for the accurate measurement of opening
mode stress intensity factors
B. Kaushik, K. S. R. K. Murthy and P. S. Robi |
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Vol. 3 (2008), No. 9, 1757–1771
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Abstract |
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The accuracy of measurement of opening mode stress intensity factors using the strain gage techniques largely depends on location of the gages. The radial position of the strain gages is a major issue in measurement of the stress intensity factors. This paper describes an approach to resolve this problem. The present work proposes a method for practically accurate determination of a vital parameter designated as which in turn is extremely useful in judging the valid positions of the strain gages. The results of the present investigation clearly show that the proposed method is simple and accurate values of can be determined. |
Keywords
stress intensity factors, cracks, fracture, strain gage,
finite element analysis
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Milestones
Received: 18 August 2008
Revised: 7 September 2008
Accepted: 22 September 2008
Published: 1 November 2008
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Authors |
| B. Kaushik | |
| Tata Motors Limited Pune India |
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| K. S. R. K. Murthy | |
| Department of Mechanical
Engineering Indian Institute of Technology Guwahati Guwahati - 781 039 Assam India |
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| P. S. Robi | |
| Department of Aerospace
Engineering Indian Institute of Space Science and Technology Thiruvananthapuram - 695 022 India |
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