Paper Title:
Erosion Wastage at High Temperature for Arc Spraying Coatings
  Abstract

A new novel cored wire for producing FeCrAl/WC intermetallic coating by arc spraying was developed. The erosion wastage at high temperature of the coating was researched with different impingement angles and temperatures. The results indicated that impingement angle and temperature greatly affected erosion wastage of the coating. At the same time, when impingement angle was 90°, different temperature had a little effect on the erosion wastage. And when temperature was 650°C, different impingement angle had a little effect on the erosion wastage too. As compared with water wall tube material (G20 steel) of power station boiler, the erosion resistance at high temperature of the coating was higher. The erosion resistance rate of the coating was 1.94~2.89 times of that of G20 steel when temperature was 650°C and particle was polygonal silica. The results indicated that erosive condition of high temperature flue gas and fly ash mixture in boiler tube of pulverized coal fired power station could be solved with the FeCrAl/WC coating.

  Info
Periodical
Key Engineering Materials (Volumes 373-374)
Main Theme
Edited by
M.K. Lei, X.P. Zhu, K.W. Xu and B.S. Xu
Pages
605-608
DOI
10.4028/www.scientific.net/KEM.373-374.605
Citation
J.Z. Hu, S. N. Ma, X.R. Chen, "Erosion Wastage at High Temperature for Arc Spraying Coatings", Key Engineering Materials, Vols. 373-374, pp. 605-608, 2008
Online since
March 2008
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Price
$32.00
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