Sliding wear behaviour of aluminum syntactic foam: A comparison with Al-10 wt% SiC composites |
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Authors: | Nidhi JhaAnshul Badkul DP Mondal S DasM Singh |
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Affiliation: | Advanced Materials and Processes Research Institute (AMPRI), CSIR, Bhopal 462026, India |
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Abstract: | The sliding wear behaviour of cenosphere-filled aluminum syntactic foam (ASF) has been studied in comparison with that of 10 wt% SiC particle reinforced aluminum matrix composite (AMC) at a load of 3 kg and varying sliding speeds under dry and lubricated conditions using a pin-on disc test apparatus. The tribological responses such as the wear rate, the coefficient of friction and the frictional heating were investigated. The wear surfaces and subsurfaces were studied for understanding the wear mechanism. It was noted that the coefficient of friction, the wear rate, and the temperature rise for ASF are less than that for AMC in both dry and lubricated conditions. The craters (vis-à-vis exposed cenospheres) play an important role in the wear mechanism for ASF. |
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Keywords: | Sliding wear Aluminum syntactic foam Aluminum composite Porosity |
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