Surface hardening using cw CO2 laser: laser heat treatment, modelation, and experimental work

German Muniz; Jorge Alum

doi:10.1117/12.231042

5 February 1996 Surface hardening using cw CO2 laser: laser heat treatment, modelation, and experimental work

German Muniz, Jorge Alum

Proceedings Volume 2730, Second Iberoamerican Meeting on Optics; (1996) https://doi.org/10.1117/12.231042
Event: Second Iberoamerican Meeting on Optics, 1995, Guanajuato, Mexico

Abstract

In the present work are given the results of the application of laser metal surface hardening techniques using a cw carbon dioxide laser as an energy source on steel 65 G. The laser heat treatment results are presented theoretically and experimentally. Continuous wave carbon dioxide laser of 0.6, 0.3, and 0.4 kW were used. A physical model for the descriptions of the thermophysical laser metal interactions process is given and a numerical algorithm is used to solve this problem by means of the LHT code. The results are compared with the corresponding experimental ones and a very good agreement is observed. The LHT code is able to do predictions of transformation hardening by laser heating. These results will be completed with other ones concerning laser alloying and cladding presented in a second paper.

Citation Download Citation

German Muniz and Jorge Alum "Surface hardening using cw CO2 laser: laser heat treatment, modelation, and experimental work", Proc. SPIE 2730, Second Iberoamerican Meeting on Optics, (5 February 1996); https://doi.org/10.1117/12.231042

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