You are not logged in.
Openly accessible

Effect of composition and austenite deformation on the transformation characteristics of low-carbon and ultralow-carbon microalloyed steels

Cizek, Pavel, Wynne, B., Davies, Christopher, Muddle, Barrington and Hodgson, Peter 2002, Effect of composition and austenite deformation on the transformation characteristics of low-carbon and ultralow-carbon microalloyed steels, Metallurgical and materials transactions A - physical metallurgy and materials science, vol. 33, no. 5, pp. 1331-1349, doi: 10.1007/s11661-002-0059-8.

Attached Files
Name Description MIMEType Size Downloads
cizek-effectof-2002.pdf Published version application/pdf 2.12MB 74

Title Effect of composition and austenite deformation on the transformation characteristics of low-carbon and ultralow-carbon microalloyed steels
Author(s) Cizek, Pavel
Wynne, B.
Davies, Christopher
Muddle, Barrington
Hodgson, Peter
Journal name Metallurgical and materials transactions A - physical metallurgy and materials science
Volume number 33
Issue number 5
Start page 1331
End page 1349
Publisher ASM International
Place of publication Warrendale, Pa.
Publication date 2002-05
ISSN 1073-5623
1543-1940
Summary Deformation dilatometry has been used to simulate controlled hot rolling followed by controlled cooling of a group of low- and ultralow-carbon microalloyed steels containing additions of boron and/or molybdenum to enhance hardenability. Each alloy was subjected to simulated recrystallization and nonrecrystallization rolling schedules, followed by controlled cooling at rates from 0.1 °C/s to about 100 °C/s, and the corresponding continuous-cooling-transformation (CCT) diagrams were constructed. The resultant microstructures ranged from polygonal ferrite (PF) for combinations of slow cooling rates and low alloying element contents, through to bainitic ferrite accompanied by martensite for fast cooling rates and high concentrations of alloying elements. Combined additions of boron and molybdenum were found to be most effective in increasing steel hardenability, while boron was significantly more effective than molybdenum as a single addition, especially at the ultralow carbon content. Severe plastic deformation of the parent austenite (>0.45) markedly enhanced PF formation in those steels in which this microstructural constituent was formed, indicating a significant effective decrease in their hardenability. In contrast, in those steels in which only nonequilibrium ferrite microstructures were formed, the decreases in hardenability were relatively small, reflecting the lack of sensitivity to strain in the austenite of those microstructural constituents forming in the absence of PF.
Language eng
DOI 10.1007/s11661-002-0059-8
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2002, ASM International
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008552

Document type: Journal Article
Collections: School of Engineering and Technology
Open Access Collection
Connect to link resolver
 
Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved.

Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.

Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 65 times in TR Web of Science
Scopus Citation Count Cited 89 times in Scopus
Google Scholar Search Google Scholar
Access Statistics: 768 Abstract Views, 69 File Downloads  -  Detailed Statistics
Created: Mon, 13 Oct 2008, 15:35:20 EST

Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.