NbC precipitation kinetics during and after γ/α transformation of a Nb microalloyed steel

June Soo Park; Dong Hyun Kim; Younq Kook Lee

doi:10.4028/0-87849-428-6.4191

NbC precipitation kinetics during and after γ/α transformation of a Nb microalloyed steel

June Soo Park, Dong Hyun Kim, Younq Kook Lee

Department of Materials Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

The precipitation kinetics of NbC carbide during and after γ/α transformation of a Nb microalloyed steel was investigated experimentally. The mole fractions of NbC precipitates formed at different isothermal temperatures were measured as a function of holding time by using the electrical resistivity method. The NbC precipitation happened during y/a transformation and was closely related to ferrite transformation kinetics in the intercritical region while it occured in the bainite matrix after the bainitic transformation was almost done below bainite start (Bs) temperature.

Original language	English
Title of host publication	Supplement to THERMEC 2006, 5th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2006
Publisher	Trans Tech Publications Ltd
Pages	4191-4195
Number of pages	5
Edition	PART 5
ISBN (Print)	0878494286, 9780878494286
DOIs	https://doi.org/10.4028/0-87849-428-6.4191
Publication status	Published - 2007 Jan 1
Event	5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006 - Vancouver, Canada Duration: 2006 Jul 4 → 2006 Jul 8

Publication series

Name	Materials Science Forum
Number	PART 5
Volume	539-543
ISSN (Print)	0255-5476
ISSN (Electronic)	1662-9752

Other

Other	5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006
Country	Canada
City	Vancouver
Period	06/7/4 → 06/7/8

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/0-87849-428-6.4191

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Park, J. S., Kim, D. H., & Lee, Y. K. (2007). NbC precipitation kinetics during and after γ/α transformation of a Nb microalloyed steel. In Supplement to THERMEC 2006, 5th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2006 (PART 5 ed., pp. 4191-4195). (Materials Science Forum; Vol. 539-543, No. PART 5). Trans Tech Publications Ltd. https://doi.org/10.4028/0-87849-428-6.4191

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abstract = "The precipitation kinetics of NbC carbide during and after γ/α transformation of a Nb microalloyed steel was investigated experimentally. The mole fractions of NbC precipitates formed at different isothermal temperatures were measured as a function of holding time by using the electrical resistivity method. The NbC precipitation happened during y/a transformation and was closely related to ferrite transformation kinetics in the intercritical region while it occured in the bainite matrix after the bainitic transformation was almost done below bainite start (Bs) temperature.",

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Park, JS, Kim, DH & Lee, YK 2007, NbC precipitation kinetics during and after γ/α transformation of a Nb microalloyed steel. in Supplement to THERMEC 2006, 5th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2006. PART 5 edn, Materials Science Forum, no. PART 5, vol. 539-543, Trans Tech Publications Ltd, pp. 4191-4195, 5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006, Vancouver, Canada, 06/7/4. https://doi.org/10.4028/0-87849-428-6.4191

NbC precipitation kinetics during and after γ/α transformation of a Nb microalloyed steel. / Park, June Soo; Kim, Dong Hyun; Lee, Younq Kook.

Supplement to THERMEC 2006, 5th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2006. PART 5. ed. Trans Tech Publications Ltd, 2007. p. 4191-4195 (Materials Science Forum; Vol. 539-543, No. PART 5).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - The precipitation kinetics of NbC carbide during and after γ/α transformation of a Nb microalloyed steel was investigated experimentally. The mole fractions of NbC precipitates formed at different isothermal temperatures were measured as a function of holding time by using the electrical resistivity method. The NbC precipitation happened during y/a transformation and was closely related to ferrite transformation kinetics in the intercritical region while it occured in the bainite matrix after the bainitic transformation was almost done below bainite start (Bs) temperature.

AB - The precipitation kinetics of NbC carbide during and after γ/α transformation of a Nb microalloyed steel was investigated experimentally. The mole fractions of NbC precipitates formed at different isothermal temperatures were measured as a function of holding time by using the electrical resistivity method. The NbC precipitation happened during y/a transformation and was closely related to ferrite transformation kinetics in the intercritical region while it occured in the bainite matrix after the bainitic transformation was almost done below bainite start (Bs) temperature.

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Park JS, Kim DH, Lee YK. NbC precipitation kinetics during and after γ/α transformation of a Nb microalloyed steel. In Supplement to THERMEC 2006, 5th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2006. PART 5 ed. Trans Tech Publications Ltd. 2007. p. 4191-4195. (Materials Science Forum; PART 5). https://doi.org/10.4028/0-87849-428-6.4191