Residual stresses and tribological wear of laser-modified high-speed steels

Andrzej Bylica; Andrzej Dziedzic; Wojciech Bochnowski

doi:10.1117/12.520715

6 October 2003 Residual stresses and tribological wear of laser-modified high speed steels

Andrzej Bylica, Andrzej Dziedzic, Wojciech Bochnowski

Proceedings Volume 5229, Laser Technology VII: Applications of Lasers; (2003) https://doi.org/10.1117/12.520715
Event: Laser Technology VII: Applications of Lasers, 2002, Szczecin, Poland

Abstract

The paper presents the results of metallographic investigations, measurements of microhardness, measurements of residual streses, abration resistance of high speed steel grades, treated with continuous laser. Hs 6-5-2 and HS 7-4-2-5 steel grades in as-fabricated state annealed, remelted with a CO₂ laser. After laser beam treatment the 1x2 hours tempering was applied at temperature of 560 and 590 °C. The remelting zone consists of dendritic cells and columnar crystals. Measurement of macro-stresses in laser remelting zone using Waissman-Phillips method.

Citation Download Citation

Andrzej Bylica, Andrzej Dziedzic, and Wojciech Bochnowski "Residual stresses and tribological wear of laser-modified high speed steels", Proc. SPIE 5229, Laser Technology VII: Applications of Lasers, (6 October 2003); https://doi.org/10.1117/12.520715

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