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Influence of heating rate on annealing and reverse transformation behavior of TRIP steels having martensite as starting microstructure

Title
Influence of heating rate on annealing and reverse transformation behavior of TRIP steels having martensite as starting microstructure
Authors
KIm, JIChoi, YHRyu, JHLee, SWLee, KSUH, DONG WOO
POSTECH Authors
SUH, DONG WOO
Date Issued
Oct-2017
Publisher
SPRINGER
Abstract
The influence of heating rate on the annealing and transformation behavior is investigated in TRIP steel having martensite as the starting microstructure. A higher heating rate preserves the hierarchical structure of the initial microstructure before starting the reverse transformation. As the heating rate increases, the reversely transformed austenite has a propensity to develop a fine lath morphology, a consequence of the retention of pre-existing austenite and its growth along the lath boundary.
The influence of heating rate on the annealing and transformation behavior is investigated in TRIP steel having martensite as the starting microstructure. A higher heating rate preserves the hierarchical structure of the initial microstructure before starting the reverse transformation. As the heating rate increases, the reversely transformed austenite has a propensity to develop a fine lath morphology, a consequence of the retention of pre-existing austenite and its growth along the lath boundary.
URI
http://oasis.postech.ac.kr/handle/2014.oak/38997
DOI
10.1007/s11661-017-4331-3
ISSN
1073-5623
Article Type
Article
Citation
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, vol. 48, no. 11, page. 5217 - 5222, 2017-10
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 SUH, DONG WOO
Graduate Institute of Ferrous Technology
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