Physical property effect of powder on thermal spraying coatings

CHEN Guoan; YAN Yonggen; YANG Wangyue; SUN Zuqing

doi:10.13374/j.issn1001-053x.2005.01.014

Volume 27 Issue 1

Aug. 2021

Turn off MathJax

Article Contents

Article Navigation > Chinese Journal of Engineering > 2005 > 27(1): 55-60

CHEN Guoan, YAN Yonggen, YANG Wangyue, SUN Zuqing. Physical property effect of powder on thermal spraying coatings[J]. Chinese Journal of Engineering, 2005, 27(1): 55-60. doi: 10.13374/j.issn1001-053x.2005.01.014

Citation:

CHEN Guoan, YAN Yonggen, YANG Wangyue, SUN Zuqing. Physical property effect of powder on thermal spraying coatings[J]. Chinese Journal of Engineering, 2005, 27(1): 55-60. doi: 10.13374/j.issn1001-053x.2005.01.014

Citation:

PDF( 933 KB)

Physical property effect of powder on thermal spraying coatings

doi: 10.13374/j.issn1001-053x.2005.01.014

1. Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China;
2. Technology Center of BaoSteel Shanghai, Shanghai 201900, China;
3. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China

Received Date: 2003-09-12
Rev Recd Date: 2003-11-05

Available Online: 2021-08-17

Abstract

Abstract

WC-12Co and FeAl powders were sprayed on SUS316L stainless steel matrix by HVOF or DGS process respectively. The particle morphology, the grain size distribution and the DTA curve were investigated and the corresponding effects on the quality of spraying coatings were discussed. The results from the measurements of surface roughness and microhardness and the observations of coating morphology and X-ray diffractometry indicated that highly spheroidised and homogeneous powders lead to homogeneous microstructure, good compactness and strong bonding between the coating and the matrix. From the present experiment it can be concluded that quality of WC-12Co coating deposited by HVOF is the best, but the processing parameters of FeAl coating deposited by DGS need to be optimized further.
- coatings,
- thermal spraying,
- particle morphology,
- grain size distribution,
- DTA curve