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首页> 外文会议>International Conference on Electrical, Electronics, and Optimization Techniques >Characterization of aluminium-red mud-tungsten carbide hybrid metal matrix composite
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Characterization of aluminium-red mud-tungsten carbide hybrid metal matrix composite

机译：铝红泥-碳化钨杂化金属基复合材料的表征

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摘要

An environmental hazardous waste material Red mud obtained from Bayer's process during the processing of Alumina. Presently it has been difficult for the industries to dispose their wastage and utilization of byproducts. In the current work, Red mud is mixed with other metals mainly aluminium and tungsten carbide to form hybrid metal matrix composites synthesized by powder metallurgy, which has more advanced mechanical properties and applications. Red mud received from the National Aluminium Company Limited (NALCO) has been subjected for sieve analysis and milled to 42 nanometers by using high energy ball mill. Red mud is used as a reinforcement material in Pure Aluminium matrix composite at 2%, 4%, and 6% weight at micro as well as nano levels along with 4%Tungsten carbide by weight is common. Micro and Nano structured red mud powders, Tungsten carbide powder and Pure Aluminium powder is mixed in a V-Blender, compacted at a pressure of 40bar and samples are prepared by conventional sintering. Hardness and wear characteristics are investigated with optimal combination of Aluminium-Tungsten carbide with various weight fractions of micro and nano structured Red mud powder. Energy dispersive X-ray spectroscopy (EDX) and Scanning Electron Microscope (SEM) structures are analyzed to study the particle dispersion.
机译：对环境有害的废料从氧化铝加工过程中的拜耳工艺获得的赤泥。目前，工业很难处理其浪费和副产物的利用。在目前的工作中，赤泥与其他金属（主要是铝和碳化钨）混合形成粉末冶金合成的杂化金属基复合材料，具有更先进的机械性能和应用。从国家铝业有限公司（NALCO）获得的赤泥已经过筛分分析，并使用高能球磨机研磨至42纳米。赤泥在纯铝基复合材料中以2％，4％和6％的重量（以微米和纳米级含量）以及4％的碳化钨（通常为重量百分比）用作增强材料。将微米和纳米结构的赤泥粉，碳化钨粉和纯铝粉在V型混合器中混合，在40bar的压力下压实，并通过常规烧结制备样品。通过铝碳化钨与不同重量分数的微米和纳米结构的赤泥粉的最佳组合，研究了硬度和磨损特性。分析了能量色散X射线光谱（EDX）和扫描电子显微镜（SEM）的结构，以研究粒子的色散。

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