Cavitation resistance of 45 and 2Cr13 steels enriched with laser-deposited Hf, SiC, or SiC+AlNi powders

Boleslaw G. Giren; Marek Szkodo; Adam Cenian

doi:10.1117/12.405969

2 November 2000 Cavitation resistance of 45 and 2Cr13 steels enriched with laser-deposited Hf, SiC, or SiC+AlNi powders

Boleslaw G. Giren, Marek Szkodo, Adam Cenian

Proceedings Volume 4238, Laser Technology VI: Applications; (2000) https://doi.org/10.1117/12.405969
Event: Laser Technology VI, 1999, Szczecin, Poland

Abstract

Cavitation resistance of 45 and 2Cr13 steels with surface layers enriched with Hf, SiC and AlNi was investigated. Each doped element was spread over the sample surface and subsequently melted with core material using CO₂ laser beam. The cavitation tests carried out at the rotating disk facility revealed multiple (5-10 fold) increase of erosion resistance of the processed materials. This effect was not always related to observed changes of microhardness. Moreover, both microstructure of the surface layer and of core material were found to influenced cavitation erosion resistance.

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Boleslaw G. Giren, Marek Szkodo, and Adam Cenian "Cavitation resistance of 45 and 2Cr13 steels enriched with laser-deposited Hf, SiC, or SiC+AlNi powders", Proc. SPIE 4238, Laser Technology VI: Applications, (2 November 2000); https://doi.org/10.1117/12.405969

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