Laser fabrication of Mo-TiC MMC on AA6061 aluminum alloy surface

P. H. Chong; Hau Chung Man; Tai Man Yue

doi:10.1016/S0257-8972(01)01719-4

Laser fabrication of Mo-TiC MMC on AA6061 aluminum alloy surface

P. H. Chong, Hau Chung Man, Tai Man Yue

Research output: Journal article publication › Journal article › Academic research › peer-review

40 Citations (Scopus)

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).

Original language	English
Pages (from-to)	268-275
Number of pages	8
Journal	Surface and Coatings Technology
Volume	154
Issue number	2-3
DOIs	https://doi.org/10.1016/S0257-8972(01)01719-4
Publication status	Published - 15 May 2002

Keywords

Aluminum alloy
Laser surface cladding
Surface MMC
Titanium carbide
Wear resistance

ASJC Scopus subject areas

Surfaces, Coatings and Films
Condensed Matter Physics
Surfaces and Interfaces

More information

10.1016/S0257-8972(01)01719-4

Cite this

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title = "Laser fabrication of Mo-TiC MMC on AA6061 aluminum alloy surface",

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).",

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AU - Chong, P. H.

AU - Man, Hau Chung

AU - Yue, Tai Man

PY - 2002/5/15

Y1 - 2002/5/15

N2 - 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).

AB - 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).

KW - Aluminum alloy

KW - Laser surface cladding

KW - Surface MMC

KW - Titanium carbide

KW - Wear resistance

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DO - 10.1016/S0257-8972(01)01719-4

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EP - 275

JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

IS - 2-3

ER -

Laser fabrication of Mo-TiC MMC on AA6061 aluminum alloy surface

Abstract

Keywords

ASJC Scopus subject areas

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