| Issue |
MATEC Web Conf.
Volume 298, 2019
International Conference on Modern Trends in Manufacturing Technologies and Equipment: Mechanical Engineering and Materials Science (ICMTMTE 2019)
|
|
|---|---|---|
| Article Number | 00058 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/matecconf/201929800058 | |
| Published online | 18 November 2019 | |
Determination of the limiting values of the laser parameters to heat treatment of powder carbon steels surface
Perm National Research Polytechnic University, 614990, Perm, Russia
* Corresponding author: director@pm.pstu.ac.ru
The microstructure and microhardness of the surface layer of powder steels PA-ZhGr with different porosity are studied in comparison with cast steel U10 after laser treatment (LT) with a 1 kW fiber laser in argon. Using thermal modeling, the geometric dimensions of the laser exposure zones formed in the area of the laser exposure were calculated and experimentally confirmed, and the mechanisms of their formation were proposed. The boundary values of the integral criterion for the parameters of laser influence for the heat treatment of carbon powder steels are established.
© The Authors, published by EDP Sciences, 2019
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