Abstract:Two new surface strengthening processes,Ultrasonic rolling treatment before and after quenching were investigated on GCr15 steel. The surface integrity and corrosion were tested and ABAQUS simulation was conducted for the two processes. As a result, the proposed process is to carry out ultrasonic rolling on the GCr15 after quenching by the small static loads and rolling times.In comparision with the unquenched sample, the quenched sample is more prone to dislocation and slip, resulting in better grain refineme… Show more
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