SURFACE MODIFICATIONS WITH LASER SYNTHESIZEDMoMODIFIED COATING

Lu Sun (), Hao Chen and Bo Liu
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Lu Sun: Shandong Agricultural Administrators College, Jinan 250100, P. R. China
Hao Chen: Shandong Agricultural Administrators College, Jinan 250100, P. R. China
Bo Liu: Shandong Agricultural Administrators College, Jinan 250100, P. R. China

Surface Review and Letters (SRL), 2013, vol. 20, issue 01, 1-6

Abstract: Mg–Cu–Alwas first used to improve the surface performance of TA15 titanium alloys by means of laser cladding technique. The synthesis of hard composite coating on TA15 titanium alloy by laser cladding ofMg–Cu–Al–B4C/Mopre-placed powders was investigated by means of scanning electron microscope, energy dispersive spectrometer and high resolution transmission electron microscope. Experimental results indicated that such composite coating mainly consisted ofTiB2,TiB,TiC,Ti3AlandAlCuMg. Compared with TA15 alloy substrate, an improvement of wear resistance was observed for this composite coating due to the actions of fine grain, amorphous and hard phase strengthening.

Keywords: Metal–matrix composites; wear; surface analysis (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1142/S0218625X13500030

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