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Bioinspired Aluminum Composite Reinforced with Soft Polymers with Enhanced Strength and Plasticity

Rout, A and Gumaste, A and Pandey, P and Oliveira, EF and Demiss, S and Mahesh, VP and Bhatt, C and Raphael, K and Ayyagari, RS and Autreto, PAS and Palit, M and Olu, F and Galvao, DS and Arora, A and Tiwary, CS (2020) Bioinspired Aluminum Composite Reinforced with Soft Polymers with Enhanced Strength and Plasticity. In: Advanced Engineering Materials .

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Official URL: https://dx.doi.org/10.1002/adem.201901116


Composites have played a key role in revolutionizing the automobile, marine, and aerospace industries. There is a constant attempt for the development of low-density composite materials with superior mechanical and corrosion-resistant properties for elevated temperature applications. Herein, an attempt is made to develop a nature-inspired unique aluminum-based composite with low-density polymer (polyethylene terephthalate, i.e., soft material) reinforcement, which shows an enhancement in strength and toughness. The composite is processed using the easily scalable and simple friction stir processing technique. Mechanical properties of the uniformly reinforced aluminum composite show double ultimate strength and fivefold improvement in plasticity. The ultimate strength of the composite increases at elevated temperatures. The experimental observations are further supported by theoretical calculations and molecular dynamics simulations.

Item Type: Journal Article
Publication: Advanced Engineering Materials
Publisher: Wiley-VCH Verlag
Additional Information: Copyright of this article belongs to Wiley-VCH Verlag
Keywords: Aerospace industry; Biomimetics; Corrosion resistance; Density (specific gravity); Friction stir welding; Mechanical properties; Molecular dynamics; Plastic bottles; Plasticity; Polymers; Reinforcement, Corrosion resistant properties; Corrosion-resistant materials; Friction stir processing; Low density; Molecular dynamics simulations; Reinforced aluminum composites; Strength and plasticities; Theoretical calculations, Aluminum corrosion
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 27 Feb 2020 09:18
Last Modified: 27 Feb 2020 09:18
URI: http://eprints.iisc.ac.in/id/eprint/64606

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