Synthesis and Characterization of Cr, Eggshell and Grinding Sludge Reinforced Aluminum Based Metal Matrix Composites: An Ingenious Experimental Approach

IF 1.8 4区材料科学 Q4 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY

Green Materials Pub Date : 2021-12-09 DOI:10.1680/jgrma.21.00035

S. Dwivedi, M. Maurya, Shubham Sharma

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引用次数: 11

Abstract

This investigation deals with the utilization of industrial waste to develop aluminum-based composite. Waste eggshell (ES) generated from the food industry has been used as primary reinforcement material. Waste grinding sludge (GS) produced from the iron forging sector was utilized as secondary reinforcement content. Cr content has been further encapsulated to the composite material to prevent the composite material's grain growth. The composite material was developed by the stir casting process. Experimental results concluded that tensile strength, compressive strength, and hardness of base material (AA5052 alloy) had been improved by about 18.02 %, 23.40 %, and 49.53 respectively, by adding 4.5 % of ES, 4.5 % of GS, and 1.5 % of Cr. Microstructural analysis of the AA5052/4.5 % ES/4.5 % GS/1.5 % Cr composite shows the fair distribution of reinforcement content. XRD of the Al/4.5 % ES/4.5 % GS/1.5 % Cr composite shows the occurrence of Al, Fe2O3, CaCO3, CaO, and Cr phases. Corrosion weight loss and thermal expansion behavior of developed composite have also been explored to observe the ES, GS, and Cr addition in the aluminum alloy.

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Cr、蛋壳和研磨污泥增强铝基金属基复合材料的合成与表征:一种巧妙的实验方法

本研究旨在利用工业废料开发铝基复合材料。食品工业产生的废弃蛋壳（ES）已被用作主要的增强材料。利用铁锻造部门产生的废研磨污泥（GS）作为二次强化成分。Cr含量已被进一步封装到复合材料中以防止复合材料的晶粒生长。该复合材料是通过搅拌铸造工艺开发的。试验结果表明，添加4.5%的ES、4.5%的GS和1.5%的Cr，基体材料（AA5052合金）的抗拉强度、抗压强度和硬度分别提高了约18.02%、23.40%和49.53。Al/4.5%ES/4.5%GS/1.5%Cr复合材料的XRD显示Al、Fe2O3、CaCO3、CaO和Cr相的存在。还对所开发的复合材料的腐蚀失重和热膨胀行为进行了探索，以观察铝合金中ES、GS和Cr的添加。

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来源期刊

Green Materials Environmental Science-Pollution

CiteScore

3.50

自引率

15.80%

发文量

期刊介绍： The focus of Green Materials relates to polymers and materials, with an emphasis on reducing the use of hazardous substances in the design, manufacture and application of products.