Microstructure Research of Magnesium with Laser Surface Cladding by Al-Si Alloy

Abstract:

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Using laser clads magnesium surface with Al-Si eutectic powder, analyzing the organization and composition of the cladding layer with scanning electron microscopy and EDS. The results show that the cladding layer mainly composed of β (Mg17Al12) phase, α (Mg) + β (Mg17Al12) eutectic, α(Mg) solid solution, Mg2Si phase composition, and cladding layer and the substrate combined well, pores and cracks weren,t found. Laser heat treatment of the cladding layer, then the bulky Mg2Si phase was blown, small blocks were distributed in the grain boundary and improve the performance of the cladding layer.

Info:

Periodical:

Advanced Materials Research (Volumes 291-294)

Edited by:

Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu

Pages:

1369-1372

DOI:

10.4028/www.scientific.net/AMR.291-294.1369

Citation:

S. Yang and X. Q. Wan, "Microstructure Research of Magnesium with Laser Surface Cladding by Al-Si Alloy", Advanced Materials Research, Vols. 291-294, pp. 1369-1372, 2011

Online since:

July 2011

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Price:

$35.00

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