Synthesis of novel aluminium metal matrix composite using industrial metallic waste: Impact on wear and corrosion behaviour

J. Gayathri, R. Elansezhian
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引用次数: 1

Abstract

The reuse of waste metallic waste as reinforcement in the aluminium metal matrix composites (MMC) reduces the landfill pollution and the depletion of the natural resources. The catalyst used in the refining of crude oil in the petroleum industries becomes exhausted metallic wastes. It requires a huge land space to fill the tonnes of unused metallic waste. Metals like molybdenum, silicon, nickel, vanadium were recovered from the metallic waste. Aluminium composites were employed in the automotive industries for manufacturing parts like crankshaft and connecting rod that were prone to increased wear. The elements present in the metallic waste have high wear resistance which can be used in manufacturing a composite. In this investigation, pure aluminium matrix was reinforced with metallic waste by varying the weight percentage 5%,10%,15%. The composites were synthesized by using stir casting technique. The sliding wear test for the samples were conducted on pin-on-disc apparatus. The wear rate decreased for all the composites compared to pure aluminium. It was observed that 90%Al + 10% metallic waste composite had wear loss (1.146%) and co-efficient of friction (0.31). The wear behaviour was studied by microstructural examination of the composites under Scanning Electron Microscope (SEM). The corrosion behaviour of the samples was observed by using a salt spray bath for 72 hours. The rate of corrosion decreased with an addition of metallic waste. The addition of metallic waste was found to enhance the wear resistance and decrease the cost of production.The reuse of waste metallic waste as reinforcement in the aluminium metal matrix composites (MMC) reduces the landfill pollution and the depletion of the natural resources. The catalyst used in the refining of crude oil in the petroleum industries becomes exhausted metallic wastes. It requires a huge land space to fill the tonnes of unused metallic waste. Metals like molybdenum, silicon, nickel, vanadium were recovered from the metallic waste. Aluminium composites were employed in the automotive industries for manufacturing parts like crankshaft and connecting rod that were prone to increased wear. The elements present in the metallic waste have high wear resistance which can be used in manufacturing a composite. In this investigation, pure aluminium matrix was reinforced with metallic waste by varying the weight percentage 5%,10%,15%. The composites were synthesized by using stir casting technique. The sliding wear test for the samples were conducted on pin-on-disc apparatus. The wear rate decreased for ...
利用工业金属废料合成新型铝金属基复合材料:对磨损和腐蚀行为的影响
废金属废弃物作为铝金属基复合材料(MMC)的增强材料再利用,减少了垃圾填埋场的污染和对自然资源的消耗。石油工业中用于提炼原油的催化剂变成了废金属。它需要巨大的土地空间来填满数吨未使用的金属废物。从金属废料中回收了钼、硅、镍、钒等金属。铝复合材料在汽车工业中用于制造曲轴和连杆等容易增加磨损的零件。金属废料中存在的元素具有很高的耐磨性,可用于制造复合材料。在本研究中,用金属废物按5%、10%、15%的重量百分比对纯铝基体进行增强。采用搅拌铸造技术合成了复合材料。在销盘式装置上对试样进行滑动磨损试验。与纯铝相比,所有复合材料的磨损率都有所下降。结果表明,90%Al + 10%金属废弃物复合材料的磨损损失为1.146%,摩擦系数为0.31。通过扫描电镜(SEM)对复合材料的磨损行为进行了研究。用盐雾浴72小时观察样品的腐蚀行为。随着金属废料的加入,腐蚀速度降低了。结果表明,金属废料的加入提高了材料的耐磨性,降低了生产成本。废金属废弃物作为铝金属基复合材料(MMC)的增强材料再利用,减少了垃圾填埋场的污染和对自然资源的消耗。石油工业中用于提炼原油的催化剂变成了废金属。它需要巨大的土地空间来填满数吨未使用的金属废物。从金属废料中回收了钼、硅、镍、钒等金属。铝复合材料在汽车工业中用于制造曲轴和连杆等容易增加磨损的零件。金属废料中存在的元素具有很高的耐磨性,可用于制造复合材料。在本研究中,用金属废物按5%、10%、15%的重量百分比对纯铝基体进行增强。采用搅拌铸造技术合成了复合材料。在销盘式装置上对试样进行滑动磨损试验。磨损率下降了…
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