Laser dispersing of carbide powders in Ti-6Al-4V alloy

Rafał Jendrzejewski

doi:10.1117/12.2013591

22 January 2013 Laser dispersing of carbide powders in Ti-6Al-4V alloy

Rafał Jendrzejewski

Proceedings Volume 8703, Laser Technology 2012: Applications of Lasers; 87030K (2013) https://doi.org/10.1117/12.2013591
Event: Tenth Symposium on Laser Technology, 2012, Szczecin, Poland

Abstract

In this work formation of highly wear resistant metal matrix composites (MMC) surface layers on the titanium-based Ti- 6Al-4V alloy by means of laser dispersing of SiC powder is investigated. In the process, the substrate surface is locally melted to the depths up to about several hundreds μm by the slightly defocused high power laser beam. Simultaneously, SiC powder particles of irregular shape and average size of about 80 μm are injected into the molten material and single traces are produced. The optimal process parameter windows for the laser dispersing of SiC particles in Ti-6Al-4V substrate are searched for high power cw CO₂ and disk lasers. The results for both laser sources are compared and the applicability of the CO₂ laser in the treatment of Ti alloy is confirmed.

Citation Download Citation

Rafał Jendrzejewski "Laser dispersing of carbide powders in Ti-6Al-4V alloy", Proc. SPIE 8703, Laser Technology 2012: Applications of Lasers, 87030K (22 January 2013); https://doi.org/10.1117/12.2013591

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