Paper Title:
The Influence of Temperature on Cr-Ti Coating in Carbon Steel
  Abstract

It is considered that Ti-Cr coatings can improve strength, hardness, wear resistance and corrosion resistance of base control alloys as these coatings combine the advantages of both Ti coating and Cr coating. In this study, the Ti-Cr coatings were deposited by diffusion method. The effects of deposition temperatures on the compositions and microstructures of the Ti-Cr coatings on 45# carbon steel were investigated. The coatings formed consisted of three layers. The outer layer contained Ti and Cr carbides beneath which a diffusion layer was developed. The inner layer was enriched in Ti and Cr. At low temperature (800°C) the outer layer of Ti-Cr coatings was dominated by TiC. Increasing deposition temperature led to the enhanced diffusion of Cr and a Cr7C3 and Cr23C6-dominated outer layer was identified. The growth process of Ti-Cr coating was analyzed and simulated.

  Info
Periodical
Materials Science Forum (Volumes 575-578)
Edited by
Jitai NIU, Zuyan LIU, Cheng JIN and Guangtao Zhou
Pages
1157-1161
DOI
10.4028/www.scientific.net/MSF.575-578.1157
Citation
B. Y. Lou, K. C. Luo, B. Xu, "The Influence of Temperature on Cr-Ti Coating in Carbon Steel", Materials Science Forum, Vols. 575-578, pp. 1157-1161, 2008
Online since
April 2008
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Price
$32.00
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