Role of rolling temperature in the precipitation hardening characteristics of Ti-Mo microalloyed hot-rolled high strength steel
SCIE
SCOPUS
- Title
- Role of rolling temperature in the precipitation hardening characteristics of Ti-Mo microalloyed hot-rolled high strength steel
- Authors
- Kim, YW; Hong, SG; Huh, YH; Lee, CS
- Date Issued
- 2014-10-06
- Publisher
- ELSEVIER SCIENCE SA
- Abstract
- Rolling temperature was found to play a decisive role in the precipitation hardening of Ti-Mo microalloyed hot-rolled high strength steel, despite identical chemical composition and phase transformation condition. The different microstructural features of prior austenite grain structure and dislocation structures inside austenite and/or ferrite grain, and the change of austenite/ferrite phase transformation characteristic, depending on rolling temperature, significantly influenced the precipitation characteristics of interphase-precipitated nanometer-sized carbides and consequently led to a totally different precipitation hardening effect. (C) 2014 Elsevier B.V. All rights reserved.
- Keywords
- High strength low alloy (HSLA) steel; Thermomechanical controlled processing (TMCP); Precipitation hardening; Interphase precipitation; Nanometer-sized carbide; STRAIN-INDUCED PRECIPITATION; NANOMETER-SIZED CARBIDES; SHEET STEEL; MICROSTRUCTURE; KINETICS
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/13628
- DOI
- 10.1016/J.MSEA.2014.07.077
- ISSN
- 0921-5093
- Article Type
- Article
- Citation
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, vol. 615, page. 255 - 261, 2014-10-06
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