| Issue |
MATEC Web Conf.
Volume 82, 2016
2016 International Conference on Design, Mechanical and Material Engineering (D2ME 2016)
|
|
|---|---|---|
| Article Number | 02012 | |
| Number of page(s) | 6 | |
| Section | Chapter 2: Materials Engineering | |
| DOI | https://doi.org/10.1051/matecconf/20168202012 | |
| Published online | 31 October 2016 | |
Anti-oxidation and Infrared Characteristics of ZrSiO4 Coating
College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China
a Corresponding author: zhaofeng_chen@163.com
In this paper, preparation and properties of ZrSiO4 coating prepared by pressureless sintering coated carbon/carbon (C/C) composites and the effect of different temperature on coating in 3-5μm and 8-12μm infrared emissivity were studied. The composition and structure of the ZrSiO4 coatings were examined by XRD and SEM that showed the main phase was ZrSiO4. With the addition of mineralizer, ZrSiO4 synthesis rate increased from 68.58% to 83.47%. The anti-oxidant performance of the prepared SiC layer and SiC-ZrSiO4 coating at 1500°C in air for 24h with a mass loss was 1.5% and 0.4%, respectively. In addition, the experimental results indicated that the emissivity of ZrSiO4 coating declined with the decrease of ZrO2, and the infrared emissivity of ZrSiO4 coating in the 3-5μm and 8-14μm wavebands was 0.55 and 0.64 at 50°C, 0.18 and 0.43 at 300°C, 0.35 and 0.74 at 500°C, respectively.
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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