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Article

Effect of Microwave and Conventional Modes of Heating on Sintering Behavior, Microstructural Evolution and Mechanical Properties of Al-Cu-Mn Alloys

by
A. Muthuchamy
1,
Muthe Srikanth
2,
Dinesh K. Agrawal
3,* and
A. Raja Annamalai
2,*
1
Department of Metallurgical and Materials Engineering, NIT, Tiruchirapalli 620015, Tamil Nadu, India
2
Centre for Innovative Manufacturing Research, VIT, Vellore 632014, Tamil Nadu, India
3
Materials Research Institute, The Pennsylvania State University, State College, PA 16802, USA
*
Authors to whom correspondence should be addressed.
Molecules 2021, 26(12), 3675; https://doi.org/10.3390/molecules26123675
Submission received: 19 May 2021 / Revised: 2 June 2021 / Accepted: 8 June 2021 / Published: 16 June 2021
(This article belongs to the Special Issue The Application of Microwave Technology in Chemistry)
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Abstract

In this research, we intended to examine the effect of heating mode on the densification, microstructure, mechanical properties, and corrosion resistance of sintered aluminum alloys. The compacts were sintered in conventional (radiation-heated) and microwave (2.45 GHz, multimode) sintering furnaces followed by aging. Detailed analysis of the final sintered aluminum alloys was done using optical and scanning electron microscopes. The observations revealed that the microwave sintered sample has a relatively finer microstructure compared to its conventionally sintered counterparts. The experimental results also show that microwave sintered alloy has the best mechanical properties over conventionally sintered compacts. Similarly, the microwave sintered samples showed better corrosion resistance than conventionally sintered ones.
Keywords: aluminum alloys; conventional sintering; microwave sintering; mechanical properties; corrosion resistance aluminum alloys; conventional sintering; microwave sintering; mechanical properties; corrosion resistance

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MDPI and ACS Style

Muthuchamy, A.; Srikanth, M.; Agrawal, D.K.; Annamalai, A.R. Effect of Microwave and Conventional Modes of Heating on Sintering Behavior, Microstructural Evolution and Mechanical Properties of Al-Cu-Mn Alloys. Molecules 2021, 26, 3675. https://doi.org/10.3390/molecules26123675

AMA Style

Muthuchamy A, Srikanth M, Agrawal DK, Annamalai AR. Effect of Microwave and Conventional Modes of Heating on Sintering Behavior, Microstructural Evolution and Mechanical Properties of Al-Cu-Mn Alloys. Molecules. 2021; 26(12):3675. https://doi.org/10.3390/molecules26123675

Chicago/Turabian Style

Muthuchamy, A., Muthe Srikanth, Dinesh K. Agrawal, and A. Raja Annamalai. 2021. "Effect of Microwave and Conventional Modes of Heating on Sintering Behavior, Microstructural Evolution and Mechanical Properties of Al-Cu-Mn Alloys" Molecules 26, no. 12: 3675. https://doi.org/10.3390/molecules26123675

APA Style

Muthuchamy, A., Srikanth, M., Agrawal, D. K., & Annamalai, A. R. (2021). Effect of Microwave and Conventional Modes of Heating on Sintering Behavior, Microstructural Evolution and Mechanical Properties of Al-Cu-Mn Alloys. Molecules, 26(12), 3675. https://doi.org/10.3390/molecules26123675

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