Protective Mo2NiB2–Ni coatings by centrifugal metallothermic SHS
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- 作者：V. N. Sanin ; D. M. Ikornikov ; D. E. Andreev…
- 关键词：combustion synthesis ; metallothermic SHS ; composite materials ; coating ; centrifugal processing ; transition metal borides
- 刊名：International Journal of Self-Propagating High-Temperature Synthesis
- 出版年：2015
- 出版时间：July 2015
- 年：2015
- 卷：24
- 期：3
- 页码：161-170
- 全文大小：4,578 KB
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D. M. Ikornikov (1)
D. E. Andreev (1)
V. I. Yukhvid (1)
B. Derin (2)
O. Yücel (2)
1. Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, Chernogolovka, Moscow, 142432, Russia
2. Istanbul Technical University, Maslak, Istanbul, 34469, Turkey - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Materials Science
Russian Library of Science - 出版者：Allerton Press, Inc. distributed exclusively by Springer Science+Business Media LLC
- ISSN：1934-788X
文摘
Cast Mo2NiB2–Ni metal-matrix composites and protective coatings thereof were fabricated by centrifugal metallothermic SHS process. The quality of SHS surfacing was found to depend on process parameters such as the mass of green mixture per unit surface area of substrate and centrifugal acceleration. The hardness of synthesized coatings was rather high and attained as large values as 800-200 H V. Optimal conditions for deposition of high-quality protective coatings onto a steel substrate were found experimentally. The process can be recommended for practical implementation in production of cutting tools, tribological materials, molds, and deposition of protective coatings. The present results can be expected to make a theoretical background for industrial-scale manufacturing of new tungsten-free MMCs and protective coatings with valued service parameters. Keywords combustion synthesis metallothermic SHS composite materials coating centrifugal processing transition metal borides