Relationship between normal load and dynamic co-efficient of friction on rock-rubber wear mechanism |
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| Authors: | Kaushik Pal SK Pal CK Das Jin Kuk Kim |
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| Affiliation: | 1. Elastomer Lab, Polymer Science and Engineering, School of Nano and Advanced Materials, Gyeongsang National University, Jinju 660-701, Republic of Korea;2. Department of Mining Engineering, Indian Institute of Technology, Kharagpur 721 302, India;3. Materials Science Centre, Indian Institute of Technology, Kharagpur 721 302, India |
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| Abstract: | In this study, rubber compounds were produced in varying proportions of carboxylated acrylonitrile butadiene rubber (XNBR) and natural rubber (NR) and the parameters such as cure characteristics, wear behavior against various surfaces at different normal loads, and frictional works were tested. The tensile strength and dynamic co-efficient of friction of sample containing 80 wt.% of XNBR was high compared to other samples by 2% and 10% respectively. The results of XNBR and NR vulcanizates under normal pressure ranging from 43 to 118 kPa were reported. Based on these results the relationship between normal load and dynamic co-efficient of friction has been proposed. It was also observed that sample containing 80 wt.% of XNBR exhibits lesser volume loss than compared to other samples. |
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| Keywords: | Elastomers and rubber Vulcanisation Wear Polymer-matrix composite Rolling friction Contact mechanics Electron microscopy Wear testing Fatigue Failure analysis |
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