Paper Title:
Nanostructured WC-Co Coatings from Different Feedstock Powders
  Abstract

Nanostructured WC-Co coatings have been manufactured by high velocity oxyfuel (HVOF) spraying using commercially available nanocomposite powders. The effect of feedstock powder characteristics on coating microstructure has been investigated. A significant loss of carbon occurred during HVOF spraying, which was much greater for a porous, irregular powder than for a dense, spherical powder. The decarburization promoted the formation of several additional phases in the coating, including W2C, W and CoxWxC. The microstructural differences in each coating arose from the different extent of feedstock powder melting because of initial powder morphology.

  Info
Periodical
Materials Science Forum (Volumes 449-452)
Edited by
S.-G. Kang and T. Kobayashi
Pages
1293-1296
DOI
10.4028/www.scientific.net/MSF.449-452.1293
Citation
K. H. Baik, J. H. Jang, S.Y. Hwang, "Nanostructured WC-Co Coatings from Different Feedstock Powders", Materials Science Forum, Vols. 449-452, pp. 1293-1296, 2004
Online since
March 2004
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Frank Gaertner, Tobias Schmidt, Heinrich Kreye
Abstract:Cold spraying is a fairly new coating technique, which within the last decade attracted serious attention of research groups and spray...
433
Authors: Zeng Yi, Xue Bin Zheng, Heng Ji, Wei Wu, Soo Wohn Lee
Abstract:The W coatings were prepared by applying the vacuum plasma spraying process (VPS). The phase composition, microstructure and laser...
849
Authors: Shahin Khameneh Asl, Mohammad Reza Saghi Beyragh, Mahdi Ghassemi Kakroudi
Abstract:Interest in nanomaterials has increased in recent years. This is due to the potential of size reduction to nanometric scale to provide...
13
Authors: Z.Y. Al-Taha, M.S.J. Hashmi, Bekir Sami Yilbas
Abstract:HVOF coating finds application in industry to protect the surface from the harsh environments such as high temperature, corrosion, and...
1972