Laser transformation hardening
- 1 January 1979
- proceedings article
- Published by AIP Publishing in AIP Conference Proceedings
- Vol. 50 (1) , 173-187
- https://doi.org/10.1063/1.31657
Abstract
Laser transformation hardening of AISI 1045 steel is analyzed thermally for the case of a uniformly intense, rectangular shaped beam moving at a constant speed. Numerical analysis of the three‐dimensional heat conduction equation is accomplished in order to calculate temperature elevation, heating and cooling rates, and hardened case depth for a given beam size, power, and processing speed. Measurements of the magnitude and distribution of residual stress, strain‐life fatigue behavior, and wear rate of the laser processed steel are presented.Keywords
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