Paper Title:
Microstructure and Properties of Fe-Based Composite Coating by Plasma Jet Surface Metallurgy
  Abstract

The Fe-based composite coatings were formed by plasma jet surface metallurgy using Fe, C, W, Cr and Al alloy powders on the low carbon steel. The morphology, microstructure, interface structure and the distribution of the in situ particles in the coatings were observed with optical microscope, scanning electron microscope and x-ray diffraction analysis. The results show that metallurgical bonding is obtained between coating and substrate, and the microstructure of coatings is mainly composed of γ-Fe, (Fe,Cr,W,Nb)7C3 and AlFe particles which are synthesized in stiu, are dispersivly distributed in the coatings. The micro-hardness gradually increased from bottom to the top of the coating, the maximum is 986 Hv0.1, about 4 times larger than that of the steel substrate.

  Info
Periodical
Advanced Materials Research (Volumes 179-180)
Edited by
Garry Zhu
Pages
253-256
DOI
10.4028/www.scientific.net/AMR.179-180.253
Citation
H. Chen, J. G. Yang, M. S. Chen, "Microstructure and Properties of Fe-Based Composite Coating by Plasma Jet Surface Metallurgy", Advanced Materials Research, Vols. 179-180, pp. 253-256, 2011
Online since
January 2011
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Price
$35.00
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