Influence of doping graphite on microstructure and tribological properties of plasma sprayed 3Al2O3-2SiO2 coating
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- 作者：Xiaoqin Zhaoa ; Shuangjian Lia ; b ; Guoliang Houa ; houguoliang415514@163.com" class="auth_mail" title="E-mail the corresponding author ; Yulong Ana ; csuayl@sohu.com" class="auth_mail" title="E-mail the corresponding author ; Huidi Zhoua ; Jianmin Chena
- 关键词：Ceramic-matrix composite ; Solid lubricants ; Thermal spray coatings ; Wear testing
- 刊名：Tribology International
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：101
- 期：Complete
- 页码：168-177
- 全文大小：4830 K
文摘
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Properly controlled spaying parameters endow composite coatings with graphite phase.
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Doped Ni–graphite could greatly reduce the defects of mullite coating.
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Formation ceramic fibers on friction surface of mullite coating decrease COFs and wear rate.
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Re-graphitization graphite tribo-layers form on the friction surface of composite coatings.
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The formation of lubricating film effectively reduced the COFs and wear loss.