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ASTM Standard E837-08.

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Article

Verification of Equation for Determining Non-uniform Residual Stresses by FEM

1Department of Applied Mechanics and Mechatronics, Technical university in Košice, Faculty of Mechanical Engineering, Letná 9, 040 01 Košice, Slovakia


American Journal of Mechanical Engineering. 2013, Vol. 1 No. 7, 169-172
DOI: 10.12691/ajme-1-7-3
Copyright © 2013 Science and Education Publishing

Cite this paper:
Patrik Šarga, Peter Senko, František Trebuňa. Verification of Equation for Determining Non-uniform Residual Stresses by FEM. American Journal of Mechanical Engineering. 2013; 1(7):169-172. doi: 10.12691/ajme-1-7-3.

Correspondence to: Patrik  Šarga, Department of Applied Mechanics and Mechatronics, Technical university in Košice, Faculty of Mechanical Engineering, Letná 9, 040 01 Košice, Slovakia. Email: patrik.sarga@tuke.sk

Abstract

Hole-drilling method is one of the most spread methods used for determination of residual stresses and it is regarded as a semi-destructive method. Accuracy of this method depends on the knowledge of calibrating coefficients, which are dependent on geometry of strain gage rosette. These coefficients we can evaluate by FEM. The aim of this work is to verify that the function proposed in the standard ASTM E837 is suitable for the approximation of strains released around drilled hole, at the non-uniform residual stresses.

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