Influence of SAC and eggshell addition in the physical, mechanical and thermal behaviour of Cr reinforced aluminium based composite

IF 1.3 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

International Journal of Cast Metals Research Pub Date : 2021-01-02 DOI:10.1080/13640461.2021.1877943

S. Dwivedi, Ambuj Saxena, Shubham Sharma, A. Srivastava, N. Maurya

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引用次数: 30

Abstract

ABSTRACT In the present study, an attempt has been made to utilise spent alumina catalyst (SAC) and carbonised eggshell (CAES) in the fabrication of AA5052-based composite material. Cr was also added to further enhance the tensile strength, hardness and corrosion resistance of the material. Results showed that by adding 4.5% SAC, 4.5% CAES and 1.5% Cr in aluminium alloy, mechanical properties such as tensile strength, hardness and compressive strength enhanced significantly. Tensile strength, hardness and compressive strength increased by about 11.98%, 37.22% and 23.06%, respectively, concerning the base material. However, the toughness and ductility of composite have been reduced. Microstructure results of Al/4.5% SAC/4.5% CAES/1.5% Cr composite showed uniform. Corrosion weight loss and thermal expansion behaviour of composite have been also investigated to observe the SAC, CAES and Cr addition effect in the aluminium alloy.

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SAC和蛋壳添加对铬增强铝基复合材料物理、力学和热性能的影响

摘要本研究试图利用废氧化铝催化剂（SAC）和碳化蛋壳（CAES）制备AA5052基复合材料。还添加了Cr以进一步提高材料的抗拉强度、硬度和耐腐蚀性。结果表明，在铝合金中添加4.5%的SAC、4.5%的CAES和1.5%的Cr，可显著提高铝合金的抗拉强度、硬度和抗压强度等力学性能。基体材料的抗拉强度、硬度和抗压强度分别提高了11.98%、37.22%和23.06%。然而，复合材料的韧性和延展性都有所降低。Al/4.5%SAC/4.5%CAES/1.5%Cr复合材料的显微组织结果显示出均匀性。还研究了复合材料的腐蚀失重和热膨胀行为，以观察铝合金中的SAC、CAES和Cr添加效应。

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来源期刊

International Journal of Cast Metals Research 工程技术-冶金工程

CiteScore

2.70

自引率

7.10%

发文量

审稿时长

7.5 months

期刊介绍： The International Journal of Cast Metals Research is devoted to the dissemination of peer reviewed information on the science and engineering of cast metals, solidification and casting processes. Assured production of high integrity castings requires an integrated approach that optimises casting, mould and gating design; mould materials and binders; alloy composition and microstructure; metal melting, modification and handling; dimensional control; and finishing and post-treatment of the casting. The Journal reports advances in both the fundamental science and materials and production engineering contributing to the successful manufacture of fit for purpose castings.