Abstract
The Ni3Al matrix composites with addition of 10, 15, and 20 wt% BaMoO4 were fabricated by powder metallurgy technique, and the tribological behaviors were studied from room temperature to 800 °C. It was found that BaAl2O4 formed during the fabrication process. The Ni3Al composites showed poor tribological property below 400 °C, with high friction coefficients (above 0.6) and wear rates (above 10−4 mm3/Nm). However, the composites exhibited excellent self-lubricating and anti-wear properties at higher temperatures, and the composite with addition of 15 wt% BaMoO4 had the lowest wear rate (1.10 × 10−5 mm3/Nm) and friction coefficient (0.26). In addition, the results also indicated that BaAl2O4 for the Ni3Al composites did not exhibit lubricating property from room temperature to 800 °C.
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The authors are grateful to the National Natural Science Foundation of China (51075383), the Innovation Group Foundation from NSFC (50721062), and the National 973 Project (2007CB607601) for financial support.
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Zhu, S., Bi, Q., Yang, J. et al. Tribological Property of Ni3Al Matrix Composites with Addition of BaMoO4 . Tribol Lett 43, 55–63 (2011). https://doi.org/10.1007/s11249-011-9785-7
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DOI: https://doi.org/10.1007/s11249-011-9785-7