Effect of molybdenum and chromium contents on sliding wear of high-chromium white cast iron at high temperature

Abstract : High-chromium white cast irons are commonly used in applications requiring excellent abrasion resistance, as in the mining and mineral ore processing industry. Their excellent abrasion resistance is mainly due to their solidification microstructures. In this study, 15 experimental high-chromium white cast alloys containing different chromium andmolybdenumcontents and a ratio Cr/C of 10 are examined. The wear experiments were carried out on a pin-on-disc tribometer at 700 degrees C. Microstructure has the most important role in dictating friction. It was observed that the wear loss was insignificant compared with that obtained at room temperature. The mean friction coefficient was also lower than that observed at room temperature sliding wear.
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Karin Faria Pinho, Christine Boher, Cherlio Scandian. Effect of molybdenum and chromium contents on sliding wear of high-chromium white cast iron at high temperature. Lubrication Science, Wiley, 2013, First International Brazilian Conference on Tribology (TriboBR 2010), 25 (2), pp.153-162. ⟨10.1002/ls.1171⟩. ⟨hal-01687310⟩

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