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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Nataliya Lyubenova* and Dirk Baehre
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DOI:10.17265/2161-6221/2015.7-8.004
Affiliation(s)
Saarland University, Institute of Production Engineering, Saarbruecken 66123, Germany
ABSTRACT
The application of beneficial residual stresses in components is often used to increase their fatigue life and resistance to FOD (Foreign object damage). There are several production processes having the main aim to induce beneficial compressive residual stresses at the surface and on the sub-surface level in components. As examples can be mentioned the shot peening, autofrettage, laser shock peening, ultrasonic impact treatment and DR (Deep rolling) processes. The prediction and measurement of the induced residual stresses is always difficult and a time-consuming and therefore, the employment of the FEA (Finite element analysis) to model such processes can be very profitable. In this article the explicit module of the FE-Code ABAQUS 6.13 was applied to model the DR process on a plane geometry. The input parameters applied force, number of overturns and percentage of overlapping are varied and their influence on the resulted depth profile of residual stresses is commented on.
KEYWORDS
Residual stresses, mechanical surface treatment, deep rolling, finite element simulation.
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