The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons

Abnormal ferrite, defined by large regions of ferrite covering coarse cementite, has been reported in hyper-eutectoid plain carbon, carburised and alloy steels. The early studies suggested that this abnormal ferrite might be a result of the coarsening of pearlite. A more radical view, expressed by H...

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Main Authors:	T. Chairuangsri, D. V. Edmonds
Format:	Conference Proceeding
Published:	2018
Subjects:	Materials Science
Online Access:	https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78049450989&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/59659
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Institution:	Chiang Mai University

id	th-cmuir.6653943832-59659
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spelling	th-cmuir.6653943832-596592018-09-10T03:19:00Z The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons T. Chairuangsri D. V. Edmonds Materials Science Abnormal ferrite, defined by large regions of ferrite covering coarse cementite, has been reported in hyper-eutectoid plain carbon, carburised and alloy steels. The early studies suggested that this abnormal ferrite might be a result of the coarsening of pearlite. A more radical view, expressed by Hillert in 1962, was that abnormal ferrite formed by nucleation and growth from cementite. In 2000, we reported further microstructural evidence for the occurrence of abnormal ferrite in hyper-eutectoid carbon steels and proposed an explanation based upon carbon redistribution accommodating concurrent growth of both cementite and abnormal ferrite. This explanation will be revisited and a comparison made with the formation of graphite and austenite in cast irons. 2018-09-10T03:19:00Z 2018-09-10T03:19:00Z 2009-12-01 Conference Proceeding 2-s2.0-78049450989 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78049450989&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/59659
institution	Chiang Mai University
building	Chiang Mai University Library
country	Thailand
collection	CMU Intellectual Repository
topic	Materials Science
spellingShingle	Materials Science T. Chairuangsri D. V. Edmonds The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons
description	Abnormal ferrite, defined by large regions of ferrite covering coarse cementite, has been reported in hyper-eutectoid plain carbon, carburised and alloy steels. The early studies suggested that this abnormal ferrite might be a result of the coarsening of pearlite. A more radical view, expressed by Hillert in 1962, was that abnormal ferrite formed by nucleation and growth from cementite. In 2000, we reported further microstructural evidence for the occurrence of abnormal ferrite in hyper-eutectoid carbon steels and proposed an explanation based upon carbon redistribution accommodating concurrent growth of both cementite and abnormal ferrite. This explanation will be revisited and a comparison made with the formation of graphite and austenite in cast irons.
format	Conference Proceeding
author	T. Chairuangsri D. V. Edmonds
author_facet	T. Chairuangsri D. V. Edmonds
author_sort	T. Chairuangsri
title	The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons
title_short	The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons
title_full	The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons
title_fullStr	The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons
title_full_unstemmed	The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons
title_sort	formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons
publishDate	2018
url	https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78049450989&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/59659
_version_	1681425292239831040

The formation of abnormal ferrite in hypereutectoid steels revisited and its analogy to the formation of austenite and ferrite shells around graphite in cast irons

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