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Microstructure and texture evolution during the groove rolling of cast aluminum/carbon nanotube composites

Nayan, N and Madhavan, R and Saxena, KK and Narayana Murty, SVS and Bakshi, SR (2022) Microstructure and texture evolution during the groove rolling of cast aluminum/carbon nanotube composites. In: Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering .

Full text not available from this repository.
Official URL: https://doi.org/10.1177/09544089221112848

Abstract

Aluminum/carbon nanotubes composites have been processed by ingot metallurgy route. The cast ingots are subjected to 94% thickness reduction by groove rolling. In the composite with the lower concentration of aluminum/carbon nanotubes, the deformation of the matrix is homogeneous due to sparse distribution of aluminum/carbon nanotubes. However, on higher aluminum/carbon nanotube addition, sub-grain formation is confined closer to the prior aluminum/carbon nanotube regions indicating heterogeneity in deformation. Deformation texture of the rolled composites weakened with increasing aluminum/carbon nanotube content, due to the random distribution of sub-grain orientation near aluminum/carbon nanotube particles. Raman spectroscopy of the composite indicated two peaks first at 1336 cm−1 and the second at 1566 cm−1 corresponding to the D and G bands, respectively, and also the generation of surface defects in aluminum/carbon nanotubes during the rolling process.

Item Type: Journal Article
Publication: Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
Publisher: SAGE Publications Ltd
Additional Information: The copyright for this article belongs to the SAGE Publications Ltd.
Keywords: Aluminum; Carbon nanotubes; Deformation; Hot working; Ingots; Surface defects; Textures, Al�CNT; Carbon nanotubes composites; Cast aluminium; Cast aluminum; Cast ingots; Groove rolling; Ingot metallurgy; Microstructure evolutions; Texture evolutions; Thickness reduction, Raman spectroscopy
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 23 Aug 2022 05:38
Last Modified: 23 Aug 2022 05:38
URI: https://eprints.iisc.ac.in/id/eprint/76170

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