What are the different surface hardening methods used for high-speed steel tools?

Apr 22, 2020 ... Case hardening is a material processing method used to increase the hardness of the outer surface of a metal. Case hardening results in a very ... Jan 14, 2025 ... Surface hardening involves hardening the material on the outside faces of a part, leaving the inside at the material's natural hardness level. Case-hardening by carburising in solid, liquid and gaseous medias is discussed, together with heat treatment after carburising. Nitriding and ion-nitriding ... Nov 19, 2021 ... As the strain rate and strain amount increase under SMAT toward the treated surface, the twin density increases and more twin–twin interactions ... As previously mentioned, surface hardening by diffusion involves the chemical modification of a surface. The basic process used is thermo-chemical because some ... Surface hardening techniques can be classified into two major categories: 1. Processes that change the surface chemical composition (case hardening or ... Mar 10, 2022 ... Theory and Practice of Plasma-Detonation Technology of Surface Hardening Metal Products. Kharkiv: РС Тechnology Сenter, 244. doi: https://doi ... Jul 30, 2020 ... The enamel surface hardening degree, defined as the maximum amplification of surface hardness, of the samples subjected to different ... a heat treating process that creates a thin, hardened, wear-resistant layer on the outer surface of a material while maintaining a soft and ductile inner core. Oct 22, 2024 ... Preheating before gas carburizing further enhanced the surface hardness and the depth of hardness. In the case of induction hardening process, ...