Microstructure and Properties of Fe-Based Amorphous Composite Coating Prepared by Pulse Laser

Run Sen Jiang; Yong Tian Wang; Jin Tang; Gang Xu; Zong De Liu

doi:10.4028/www.scientific.net/MSF.849.642

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HomeMaterials Science ForumMaterials Science Forum Vol. 849Microstructure and Properties of Fe-Based...

Microstructure and Properties of Fe-Based Amorphous Composite Coating Prepared by Pulse Laser

Abstract:

The Fe-based amorphous composite coatings were prepared by pulse laser cladding method. The amorphous powder with the size ranging from 100 to 200 meshes was cladded on the low carbon steel plate,and the nominal composition of the powder was (wt.%) Cr:14.95, Mo:25.7, B:1.24, C:3.45, Y:3.40, Fe:51.29. The microstructure, phase composition and hardness were characterized by XRD, SEM, DSC and semi-automatic Vickers hardness tester in this study, respectively. The results show that the coating which is composed of amorphous and nanocrystal phases has the dense structure and metallurgical bonding with the substrate. The hardness of coatings was about 5 times higher than that of the substrate. With the increase of cladding layer, the average hardness of coating showed an increasing trend, and the intrinsic mechanism was discussed.

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Periodical:

Materials Science Forum (Volume 849)

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642-646

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https://doi.org/10.4028/www.scientific.net/MSF.849.642

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Online since:

March 2016

Authors:

Run Sen Jiang, Yong Tian Wang*, Jin Tang, Gang Xu, Zong De Liu

Keywords:

Amorphous Coating, Hardness, Pulse Laser

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