Abstract
Total wear in transient regime consists of transient wear and linear wear components. Within the transient regime metal possess higher wear rates than the steady state. FEM computational based wear models ignore transient regime which leads to higher error. This paper emphases on predicting the total wear in transient regime of 316 stainless steel pin against AISI 52100 bearing steel disc for 20 N and 30 N.Novel methodology is proposed to calculate individual wear components. Linear component by FEM based Abaqus software using an extrapolation technique to reduce computational time without compromising the accuracy. Transient component is calculated using Gauss Newton regression method. Further, total wear is modelled by addition of linear and transient wear components. Simulated total wear has good agreement with experimental wear error within 11% for both the loads. Corresponding transient wear rate was found to be approximately 2.5 times higher than steady state wear. This establishes the robustness of proposed methodology.
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