| Issue |
MATEC Web Conf.
Volume 67, 2016
International Symposium on Materials Application and Engineering (SMAE 2016)
|
|
|---|---|---|
| Article Number | 04019 | |
| Number of page(s) | 5 | |
| Section | Chapter 4 Surface Engineering and Coating Technology | |
| DOI | https://doi.org/10.1051/matecconf/20166704019 | |
| Published online | 29 July 2016 | |
Microstructure Analysis of Laser Remelting for Thermal Barrier Coatings on the Surface of Titanium Alloy
1 School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
2 Shanghai Aerospace Precision Machinery Research Institute, Shanghai 201600, China
3 State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
a wdhcet6@163.com
b wdh@sues.edu.cn
c alno_2001_0@163.com
d lifei@sjtu.edu.cn
e rjx@sues.edu.cn
f lliangliang@sues.edu.cn
g wenyun@126.com
* Corresponding author: wdh@sues.edu.cn
In this paper, the preparation and organization performance of thermal barrier coatings (TCBs) on the surface of titanium were studied experimentally. Nanostructured 8 wt% yttria partially stabilized zirconia coatings were deposited by air plasma spraying. The microstructure of nanostructured and the conventional coating was studied after laser remelting. It has shown that formed a network of micro-cracks and pits after laser remelting on nanostructured coatings. With the decrease of the laser scanning speed, mesh distribution of micro cracks was gradually thinning on nanostructured coatings. Compared with conventional ceramic layers, the mesh cracks of nanostructured coating is dense and the crack width is small.
© The Authors, published by EDP Sciences, 2016
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