热氧化改性TC4合金在液体润滑条件下的摩擦学行为研究

Tribological Behavior of Thermally Oxidized TC4 Alloy under the Fluid Lubrication Conditions

应用热氧化表面处理技术,在TC4表面制备了金红石型的TiO_2氧化膜.考察了热氧化改性TC4合金分别在去离子水和PAO10润滑条件下的摩擦学特性,并通过磨损表面分析讨论了其在不同条件下的减摩抗磨机理.结果表明:经过热氧化改性的TC4合金,无论在PAO10润滑条件还是去离子水润滑条件下,都表现出优异的摩擦学性能.相较于未处理的TC4表面,改性TC4合金在PAO10和去离子水润滑条件下磨损率分别下降了99%(50 N,5 cm/s)和98%(10 N,9 cm/s).

The rutile film of was produced on TC4 surface by using the thermal oxidation（TO）. The friction properties and wear mechanisms under the deionized water or PAO10 lubricated condition were studied. Results show that the thermally oxidized TC4 alloy exhibited excellent tribological properties. Compared to the untreated TC4, the wear rate of the TO-TC4 reduced by 99%（50 N, 5 cm/s） and 98%（10 N, 9 cm/s） under lubrication of both PAO10 and deionized water.