A finite element analysis (FEA) based wear algorithm model is presented to predict sliding wear behavior of a composite cobalt-based (Stellite 6) alloy. This study aims to provide an understanding of FEA model behavior using: (a) free-mesh, (b) composite material microstructure, and (c) wear test conditions of loading and geometry which are consistent with ASTM G133-02. Results indicate that the wear model using free-mesh is able to predict wear in composite alloy within the limits of experimental deviation using a suitable kD (wear-rate) value. The rationale for the differences in the experimental setup and FEA model calculations is discussed in terms of the role of wear debris, wear mechanisms, and ball wear.
Finite Element Modeling of Sliding Wear in a Composite Alloy Using a Free-Mesh
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received July 22, 2014; final manuscript received February 18, 2015; published online April 15, 2015. Assoc. Editor: Mircea Teodorescu.
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Ashraf, M. A., Ahmed, R., Ali, O., Faisal, N. H., El-Sherik, A. M., and Goosen, M. F. A. (July 1, 2015). "Finite Element Modeling of Sliding Wear in a Composite Alloy Using a Free-Mesh." ASME. J. Tribol. July 2015; 137(3): 031605. https://doi.org/10.1115/1.4029998
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