Microstructure Characteristics in High Carbon Steel Rod After Warm Cross-Wedge Rolling

摘要

An ultrafine (alpha + theta) structure is successfully produced through warm cross-wedge rolling at the outer layer of high carbon steel rod where equiaxed a grains and fully spheroidized theta particles are in submicron scale. In the central region of the rod, original lamellar theta is fragmented but the spheroidization is not complete.