Regularities of Changes in the Microhardness of Carbon Steels during Gas Laser CuttingIgor V. Minaev, Evgeny V. Ageev, Sergey N. Kutepov and Alexander E. GvozdevMATEC Web Conf., 344 (2021) 01020DOI: https://doi.org/10.1051/matecconf/202134401020