Studies of high temperature sliding wear of metallic dissimilar interfaces IV: Nimonic 80A versus Incoloy 800HT |
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| Affiliation: | 1. Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences, pr. Akademicheskii 2/4, Tomsk, Russian Federation;2. Tomsk Polytechnic University, Lenina 30, Tomsk, Russian Federation;3. Tomsk State University, Lenin str., 36, Tomsk, Russian Federation;1. Advanced Technology & Materials Co. Ltd., Beijing 100081, China;2. Central Iron and Steel Research Institute, Beijing 100081, China;3. School of Materials Science and Engineering, Chongqing University, Chongqing 400044, China |
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| Abstract: | Wear variations of Nimonic 80A slid against Incoloy 800HT between room temperature (RT) and 750 °C, and sliding speeds of 0.314 and 0.905 m s−1 were investigated using a ‘reciprocating-block-on-cylinder’, low debris retention configuration. These were considered alongside previous observations at 0.654 m s−1.Different wear types occurring were mapped, including high transfer ‘severe wear’ (RT and 270 °C, also 0.905 m s−1 at ≤570°C), low transfer ‘severe wear’ (0.314 m s−1 at 390 °C to 510 °C oxide abrasion assisted at 510 °C), and ‘mild wear’ (0.314 m s−1 at ≥570 °C; 0.905 m s−1 at ≥630 °C). Wear surfaces at 750 °C were cross-sectioned and profiled. |
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