Corrosive wear behavior of chromium carbide coatings deposited by air plasma spraying |
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| Affiliation: | 1. Department of Materials Science and Engineering, College of Chemical and Metallurgical Engineering, Shiraz Branch, Islamic Azad University, Shiraz 71955, Iran;2. Faculty of Materials Science and Engineering, K.N. Toosi University of Technology, Tehran, Iran;1. Institute of Solid State Chemistry and Mechanochemistry SB RAS, 18 Kutateladze street, Novosibirsk 630128, Russia;2. Novosibirsk State University, 2 Pirogova street, Novosibirsk 630090, Russia;3. SRC VB “VECTOR”, Koltsovo, Novosibirsk region 630559, Russia;4. Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., Novosibirsk 630090, Russia;1. Department of Applied Chemistry and Biochemistry, Faculty of Engineering, Kumamoto University, Kurokami, 2-39-1, Kumamoto 860-8555, Japan;2. Department of Molecular and Material Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga Koen, Kasuga, Fukuoka 816-8580, Japan;3. National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan;4. Department of Energy and Material Sciences, Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga Koen, Kasuga, Fukuoka 816-8580, Japan;1. Facultad de Ciencias Químicas-UASLP, 5 Av. Nava, 78210 San Luis Potosí, México;2. Instituto de Metalurgia-UASLP, 550 Sierra Leona, CP 78216 San Luis Potosí, México;1. Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission & Ministry of Education, South-Central University for Nationalities, Wuhan 430074, PR China;2. Department of Chemistry and Life Science, Liuzhou Teachers College, Liuzhou 545004, PR China;3. Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry Biomass, Zhejiang A & F University, Lin’an 311300, PR China |
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| Abstract: | The corrosive wear behavior of chromium carbide coatings deposited by air plasma spraying was studied, through wet pin-on-disk wear experiments. During the wear tests, the samples were immersed in corrosive environments consisting of watery hydrochloric acid with the acid concentrations of 5, 10 and 15 vol%. The wear tests were performed at both room temperature and 80 °C. The results showed that the wet environment significantly increased the wear rate. In addition, the increase of the acid concentration and temperature considerably deteriorated the wear resistance of the coated samples. It was also realized that, compared to the dry condition, the wear mechanism changed from abrasive to adhesive in the wet environment where a tribochemical wear was observed. |
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| Keywords: | A Films C Wear resistance D Carbides |
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