Laser Machining and Welding |
Contents
PREFACE | 7 |
HEAT TREATMENT AND WELDING BY LASER RADIATION | 57 |
4 | 114 |
Copyright | |
5 other sections not shown
Common terms and phrases
absorption active medium affected zone alloying elements analyze austenite cementite CO2 laser coefficient continuous-wave crater decreases depends determined diaphragm disintegration products distribution effect ejected electron equation estimate factors ferrite focussed spot free-generation function hardening heat conduction heat source heat transfer heat-affected zone hole depth hole diameter hole walls increases instance intensity irradiated kgf/mm² laser beam laser cutting laser drilling laser heating laser power laser pulse laser radiation laser welding laser-affected zone laser-drilled holes lens liquid phase martensite melting microhardness molten layer molten material molten pool molten zone neodymium nonlinear parameters pearlite plasma cloud plate pressure pulse duration pulse energy pumping Q-switched Q-switched laser quasistationary radiation power density radius reactions regime ruby laser semi-infinite body shape spatial specimen spikes steel 45 structure surface T₁ technique temperature field thermal thickness tion vaporization variation velocity W/cm² wires workpiece