Preparation and Anti-Scratch Property of Supersonic-Particles-Deposited Coating on Magnesium Alloy

Abstract:

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In order to protect magnesium alloy structure used in equipments, Al-based alloy coating on ZM5 magnesium alloy surface was prepared by Supersonic-Particles-Deposition(SPD). Microstructure,bonding strength,hardness, anti-scratch property of the deposited Al-based alloy coating were analyzed and tested using scanning electron microscope(SEM),energy dispersive spectrmomter(EDS), dualization stretching method and scratch testing machine. The results indicated that the coating was compacted with 1.19% porosity on superficial layer and 0.08% porosity on cross-section, respectively. The bonding strength value was 42.37MPa, moreover the interface was distinct and continuous,without defects such as ablation and impurity. Microhardness of the coating was about 1.3 times to that of uncoated substrate. The anti-scratch property of the processed coating improved obviously compared to Mg-substrate.

Info:

Periodical:

Edited by:

Huawu Liu, Yongxin Yang, Shijie Shen, Zhili Zhong, Laijiu Zheng and Peng Feng

Pages:

756-760

DOI:

10.4028/www.scientific.net/AMR.627.756

Citation:

X. M. Wang et al., "Preparation and Anti-Scratch Property of Supersonic-Particles-Deposited Coating on Magnesium Alloy", Advanced Materials Research, Vol. 627, pp. 756-760, 2013

Online since:

December 2012

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Price:

$35.00

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