Abstract
Cu/Ti2AlC composites were fabricated by vacuum hot-pressing technique. Phase composition was analyzed by XRD and morphology of fracture was observed by SEM. Physical performance such as density, resistivity, hardness and friction coefficient with different volume fraction of Cu/Ti2AlC composites were studied. When the content of Ti2AlC increased from 10% to 70%, the relative density reduced from 99.38% to 90.56% and the resistivity increased significantly. Hardness reached the maximum value when Ti2AlC was at 60% and friction coefficient declined with the increasing of Ti2AlC. Cu/Ti2AlC composites, showing good conductivity properties and friction performance. Oxidation resistance enhanced obviously with the content of Ti2AlC increasing. Cu-60%Ti2AlC sample possessed optimum thermal shock resistance, and no cracking was found at 600 °C cycled for 10 times and 900 °C cycled for 1 time.
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Funded by Hubei Province Natural Science Foundation (No. 2012FFB00608), the Youth Science and Technology Morning Program of Wuhan (No. 201150431129), the Youth Science and Technology Program of Hubei Province Education Department (No. 20121407), National NaturalScience Foundation of China (No. 51273059)
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Yan, M., Zeng, C., Li, Z. et al. Physical, antioxidant and thermal shock properties of Cu/Ti2AlC conductive composites. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 28, 504–507 (2013). https://doi.org/10.1007/s11595-013-0721-6
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DOI: https://doi.org/10.1007/s11595-013-0721-6