Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14951
Title: Laser fabrication of Mo-TiC MMC on AA6061 aluminum alloy surface
Authors: Chong, PH
Man, HC 
Yue, TM 
Keywords: Aluminum alloy
Laser surface cladding
Surface MMC
Titanium carbide
Wear resistance
Issue Date: 2002
Publisher: Elsevier
Source: Surface and coatings technology, 2002, v. 154, no. 2-3, p. 268-275 How to cite?
Journal: Surface and coatings technology 
Abstract: A Nd-YAG laser was used to clad Mo/TiC onto the surface of Aluminum Alloy AA6061. Experimental results indicated that the Mo/TiC clad layer has good metallurgical bonding with the substrate. TiC particulates are uniformly dispersed in the clad surface. The optimised clad layer with a pre-mixed paste composition of 30%Mo70%TiC exhibited the best wear resistance during a pin-on-disc abrasive wear test. The microhardness of the clad layer is 5-10 times higher than the as-received Al alloy. The microstructures, chemical compositions and the worn surface of the clad layers were analysed using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray diffractometry (XRD).
URI: http://hdl.handle.net/10397/14951
ISSN: 0257-8972
EISSN: 1879-3347
DOI: 10.1016/S0257-8972(01)01719-4
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