Reverse transformation of ferrite and pearlite to austenite in an ultrafine-grained low-carbon steel fabricated by severe plastic deformation

Young Il Son; Young Kook Lee; Kyung Tae Park

doi:10.1007/s11661-006-0196-6

Reverse transformation of ferrite and pearlite to austenite in an ultrafine-grained low-carbon steel fabricated by severe plastic deformation

Young Il Son, Young Kook Lee, Kyung Tae Park

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Reverse transformation characteristics of a low-carbon steel consisting of ultrafine-grained (UFG) ferrite and severely deformed pearlite by severe plastic deformation were investigated and compared to those of the steel having coarse-grained (CG) ferrite and undeformed pearlite by austenitization and subsequent air cooling. Coarse-grained steel exhibited two serial transformation stages, i.e., pearlite → austenite followed by ferrite → austenite. Contrarily, UFG steel transformed with the three serial stages, i.e., probably carbon-supersaturated ferrite → austenite, not-fully-dissolved pearlite - austenite, and ferrite → austenite transformations.

Original language	English
Pages (from-to)	3161-3164
Number of pages	4
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	37
Issue number	10
DOIs	https://doi.org/10.1007/s11661-006-0196-6
Publication status	Published - 2006 Oct

Bibliographical note

Funding Information:
We gratefully acknowledge the financial support for this study from the Ministry of Commerce, Industry and Energy of Korea.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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10.1007/s11661-006-0196-6

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title = "Reverse transformation of ferrite and pearlite to austenite in an ultrafine-grained low-carbon steel fabricated by severe plastic deformation",

abstract = "Reverse transformation characteristics of a low-carbon steel consisting of ultrafine-grained (UFG) ferrite and severely deformed pearlite by severe plastic deformation were investigated and compared to those of the steel having coarse-grained (CG) ferrite and undeformed pearlite by austenitization and subsequent air cooling. Coarse-grained steel exhibited two serial transformation stages, i.e., pearlite → austenite followed by ferrite → austenite. Contrarily, UFG steel transformed with the three serial stages, i.e., probably carbon-supersaturated ferrite → austenite, not-fully-dissolved pearlite - austenite, and ferrite → austenite transformations.",

author = "Son, {Young Il} and Lee, {Young Kook} and Park, {Kyung Tae}",

note = "Funding Information: We gratefully acknowledge the financial support for this study from the Ministry of Commerce, Industry and Energy of Korea.",

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Reverse transformation of ferrite and pearlite to austenite in an ultrafine-grained low-carbon steel fabricated by severe plastic deformation. / Son, Young Il; Lee, Young Kook; Park, Kyung Tae.
In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol. 37, No. 10, 10.2006, p. 3161-3164.

Research output: Contribution to journal › Article › peer-review

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AU - Son, Young Il

AU - Lee, Young Kook

AU - Park, Kyung Tae

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AB - Reverse transformation characteristics of a low-carbon steel consisting of ultrafine-grained (UFG) ferrite and severely deformed pearlite by severe plastic deformation were investigated and compared to those of the steel having coarse-grained (CG) ferrite and undeformed pearlite by austenitization and subsequent air cooling. Coarse-grained steel exhibited two serial transformation stages, i.e., pearlite → austenite followed by ferrite → austenite. Contrarily, UFG steel transformed with the three serial stages, i.e., probably carbon-supersaturated ferrite → austenite, not-fully-dissolved pearlite - austenite, and ferrite → austenite transformations.

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Reverse transformation of ferrite and pearlite to austenite in an ultrafine-grained low-carbon steel fabricated by severe plastic deformation

Abstract

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All Science Journal Classification (ASJC) codes

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