Microstructural and mechanical characterisation of reinforced aluminium foam sandwich panels made by one-step squeeze casting method

IF 1.3 4区 材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING International Journal of Cast Metals Research Pub Date : 2023-05-23 DOI:10.1080/13640461.2023.2216479
Seyed Amir Farokh Fatemi, F. Bashirzadeh, T. Saeid
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引用次数: 0

Abstract

ABSTRACT In just one step, a squeeze casting process was applied to produce aluminium foam sandwich panels. NaCl particles with mean sizes of 4.75 and 6.35 mm were used as space holders in different proportions. In-situ face sheet manufacturing was conducted through previously placed steel meshes in the mould. The effect of NaCl particle sizes and the proportion of each size on porosity, microstructure, and mechanical properties were investigated. Results showed a decline from 59.8% to 43.8% in the porosity amount of samples with increasing the proportion of larger NaCl particles. Accordingly, an increase in compression yield stress (from 3.2 to 6.1 kgf/mm2) and the absorbed energy were observed. Also, at the elevated densities of the sandwich panel core, the plateau stress was enhanced. The presence of Cu, Ni, Fe, and Si elements leads to the formation of brittle intermetallic compounds in the microstructure of cell walls.
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来源期刊
CiteScore
2.70
自引率
7.10%
发文量
14
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.
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