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Laser hardening - LaserTherm
Laser hardening technology package | TRUMPF
Laser hardening of steel (surface hardening) - tec-science
Laser Hardening for Metalworking & Toolmaking | LASERLINE
Comparative study of laser surface hardening of 50CrMo4 steel using continuous-wave laser and pulsed lasers with ms, ns, ps and fs pulse duration - ScienceDirect