Please use this identifier to cite or link to this item: https://idr.nitk.ac.in/jspui/handle/123456789/14755
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dc.contributor.authorValder J.
dc.contributor.authorMalayathodi R.
dc.contributor.authorKumar P.
dc.contributor.authorRajasekaran S.
dc.contributor.authorRaju K.
dc.contributor.authorSurendranathan A.O.
dc.date.accessioned2021-05-05T10:15:44Z-
dc.date.available2021-05-05T10:15:44Z-
dc.date.issued2020
dc.identifier.citationAIP Conference Proceedings , Vol. 2236 , , p. -en_US
dc.identifier.urihttps://doi.org/10.1063/5.0007404
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/14755-
dc.description.abstractIn the present study, Equal Channel Angular Pressing (ECAP) of commercially pure aluminum (Al) in the cast form was carried out at room temperature for assessing its hardness by different routes and passes. The different routes employed in the present investigation are A, BA, BC and C. The Al specimens were pressed by a die of 150° channel angle without back pressure with Molybdenum disulfide (MoS2) as the lubricant. ECAP has significantly improved the hardness of Al in the subsequent passes. It has been observed that the hardness has been increased after first pass at room temperature from 47 VHN in the annealed condition to 54 VHN and after the second pass the hardness value has been increased to 56, 57, 62 and 56 VHN for routes A, BA, BC and C respectively. The increase in the hardness may be attributed to the severe fragmentation of microstructure of cast Al and the change in the orientation of the specimen from one pass to the next pass. After one pass, the dendritic microstructure of cast Al has been distorted by the shear stress developed during deformation. The processing by different routeswith number of passes has further refined the microstructure leading to a better hardness in the cast Al. © 2020 Author(s).en_US
dc.titleEffect of plastic strain and processing routes on the hardness of as-cast aluminumen_US
dc.typeConference Paperen_US
Appears in Collections:2. Conference Papers

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