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Effects on hardness and microstructure of AISI 1020 low-carbon steel processed by high-pressure torsion

Effects on hardness and microstructure of AISI 1020 low-carbon steel processed by high-pressure torsion
Effects on hardness and microstructure of AISI 1020 low-carbon steel processed by high-pressure torsion
Low-carbon steel AISI 1020 was subjected to high-pressure torsion (HPT) with 6.0 GPa pressure through 1/4 to 5 turns. The microstructures of the samples in each turn were studied by means of X-Ray diffraction (XRD) analyzing the changes in micro-strain, crystallite size and lattice parameter. Vickers testing was utilized to study the microhardness behavior of the samples subjected to HPT processing. The morphology evolution of the samples and especially the changes in ferrite and pearlite structures were studied for different numbers of turns using scanning electron microscopy (SEM).
2238-7854
355-360
Marulanda Cardona, Diana Maritza
24831acd-4922-4aa0-9eda-c4229ba6c0a4
Wongsa-Ngam, Jittraporn
85c069a7-8e05-42b0-b0db-33cadec791a5
Jimenez, Hernando
9133d4c1-df53-4279-9ee6-af8225448939
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Marulanda Cardona, Diana Maritza
24831acd-4922-4aa0-9eda-c4229ba6c0a4
Wongsa-Ngam, Jittraporn
85c069a7-8e05-42b0-b0db-33cadec791a5
Jimenez, Hernando
9133d4c1-df53-4279-9ee6-af8225448939
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Marulanda Cardona, Diana Maritza, Wongsa-Ngam, Jittraporn, Jimenez, Hernando and Langdon, Terence G. (2017) Effects on hardness and microstructure of AISI 1020 low-carbon steel processed by high-pressure torsion. Journal of Materials Research and Technology, 6 (4), 355-360. (doi:10.1016/j.jmrt.2017.05.002).

Record type: Article

Abstract

Low-carbon steel AISI 1020 was subjected to high-pressure torsion (HPT) with 6.0 GPa pressure through 1/4 to 5 turns. The microstructures of the samples in each turn were studied by means of X-Ray diffraction (XRD) analyzing the changes in micro-strain, crystallite size and lattice parameter. Vickers testing was utilized to study the microhardness behavior of the samples subjected to HPT processing. The morphology evolution of the samples and especially the changes in ferrite and pearlite structures were studied for different numbers of turns using scanning electron microscopy (SEM).

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More information

Accepted/In Press date: 8 May 2017
e-pub ahead of print date: 23 June 2017
Published date: 30 November 2017

Identifiers

Local EPrints ID: 412424
URI: http://eprints.soton.ac.uk/id/eprint/412424
ISSN: 2238-7854
PURE UUID: 119d51c4-0965-42c1-bfb7-c7d073e68c62
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

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Date deposited: 17 Jul 2017 13:41
Last modified: 16 Mar 2024 05:19

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Contributors

Author: Diana Maritza Marulanda Cardona
Author: Jittraporn Wongsa-Ngam
Author: Hernando Jimenez

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