Investigation of hardness behavior after carburizing and hardening of 15CrNi6 steelArsenis Dragatsis, Leonidas Fragkos-Livanios, Dimitris G. Papageorgiou and Carmen MedreaMATEC Web Conf., 349 (2021) 02006DOI: https://doi.org/10.1051/matecconf/202134902006