2018. INFLUENCE THE QUENCHING AND TEMPERING ON THE MICROSTRUCTURE, MECHANICAL PROPERTIES AND SURFACE ROUGHNESS, OF MEDIUM CARBON STEEL. THE IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING. 18, 1 (Jul. 2018), 125–135. DOI:https://doi.org/10.32852/iqjfmme.Vol18.Iss1.78.