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Cavitation Erosion Resistance of Austenitic Microstructure Created by Laser Beam

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Abstract:

This work presents investigations of cavitation properties of different austenitic microstructures formed by laser beam machining of X5CrNi18-10 and C45 steels. X5CrNi18-10 steel was alloyed with TiC and Mn powders and surface layer of C45 steel was enriched with Ni, Mn, Cr and Nb. For alloying the cw CO2 laser beam was used as a power source. Cavitation behaviour of produced layers was investigated in a rotating disc facility. The results reveal different susceptibility to plastic deformation and strain hardening degree of surface in the early stage of cavitation erosion.

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Periodical:

Solid State Phenomena (Volume 165)

Pages:

195-200

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.165.195

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Online since:

June 2010

Authors:

Marek Szkodo

Keywords:

Austenitic Microstructure, Cavitation Erosion, Laser Beam Machining

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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