SURFACE PROPERTIES OF THEIN SITUFORMED CERAMICS REINFORCED COMPOSITE COATINGS ONTI-3AL-2VALLOYS

Peng Liu (), Wei Guo, Dakui Hu, Hui Luo and Yuanbin Zhang
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Peng Liu: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, P. R. China
Wei Guo: School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, P. R. China
Dakui Hu: Shandong Inspur Huaguang Lighting, Jinan 250100, P. R. China
Hui Luo: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, P. R. China
Yuanbin Zhang: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, P. R. China

Surface Review and Letters (SRL), 2012, vol. 19, issue 02, 1-5

Abstract: The synthesis of hard composite coating on titanium alloy by laser cladding ofAl/Fe/Ni+C/Si3N4pre-placed powders has been investigated in detail. SEM result indicated that a composite coating with metallurgical joint to the substrate was formed. XRD result indicated that the composite coating mainly consisted ofγ-(Fe, Ni),FeAl,Ti3Al,TiC,TiNi,TiC0.3N0.7,Ti2N,SiC,Ti5Si3andTiNi. Compared withTi-3Al-2Vsubstrate, an improvement of the micro-hardness and the wear resistance was observed for this composite coating.

Keywords: Surface properties; surface modification; wear; composites (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1142/S0218625X12500096

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