Microstructure and mechanical properties of austempered medium-carbon spring steel
SCIE
SCOPUS
KCI
- Title
- Microstructure and mechanical properties of austempered medium-carbon spring steel
- Authors
- KIM, SEONG HOON; Kim, Kwan-Ho; Bae, Chul-Min; LEE, JAE SANG; SUH, DONG WOO
- Date Issued
- 2018-07
- Publisher
- KOREAN INST METALS MATERIALS
- Abstract
- Changes in microstructure and mechanical properties of medium-carbon spring steel during austempering were investigated. After austempering for 1 h at 290 A degrees C or 330 A degrees C, the bainite transformation stabilized austenite, and microstructure consisting of bainitic ferrite and austenite could be obtained after final cooling; the retained austenite fraction was smaller in the alloy austempered at 290 A degrees C because carbon redistribution between bainitic ferrite and austenite slowed as the temperature decreased, and thereby gave persistent driving force for the bainite transformation. The products of tensile strength and reduction of area in the austempered alloy were much larger in the austempered steel than in quenched and tempered alloy, mainly because of significant increase in reduction of area in austempered alloy.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/92162
- DOI
- 10.1007/s12540-018-0085-8
- ISSN
- 1598-9623
- Article Type
- Article
- Citation
- METALS AND MATERIALS INTERNATIONAL, vol. 24, no. 4, page. 693 - 701, 2018-07
- Files in This Item:
- There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.