Ceramic Reinforced Metal Matrix Nano and Micro-Composite Layers Produced by Combined Laser Melt Injection Technology and Thermochemical Surface Treatment

Viktória Janó

doi:10.4028/www.scientific.net/MSF.812.77

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HomeMaterials Science ForumMaterials Science Forum Vol. 812Ceramic Reinforced Metal Matrix Nano and...

Ceramic Reinforced Metal Matrix Nano and Micro-Composite Layers Produced by Combined Laser Melt Injection Technology and Thermochemical Surface Treatment

Abstract:

In-situ synthesized Nb (C,N) reinforced metal-ceramic composite layers were fabricated on nitridable (16MnCr5) and non-nitridable (S235J) steel surface by combined laser melt injection technology and ferritic nitrocarburizing treatment. The feasibility of processing composites layer by an in situ reaction using laser beam were carried out. Beside that the hardness of the treated layers increases up to 1000-1170 HV0.5 in the diffusion zone and after it the hardness of the samples reach 300-450 HV0.5, which is related the Nb alloying depth (1200-1400 μm). The results of the composite layer are presented in this paper.

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Periodical:

Materials Science Forum (Volume 812)

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77-82

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https://doi.org/10.4028/www.scientific.net/MSF.812.77

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Online since:

February 2015

Authors:

Viktória Janó*

Keywords:

Ferritic Nitrocarburising, In Situ Metal Matrix Composite

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