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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 ...
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