University of Oulu

Nyyssönen, T., Oja, O., Jussila, P., Saastamoinen, A., Somani, M., & Peura, P. (2019). Quenching and Partitioning of Multiphase Aluminum-Added Steels. Metals, 9(3), 373. doi:10.3390/met9030373

Quenching and partitioning of multiphase aluminum-added steels

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Author: Nyyssönen, Tuomo1,2; Oja, Olli3; Jussila, Petri3;
Organizations: 1Laboratory of Metals Technology, Faculty of Engineering and Natural Sciences, Materials Science, Tampere University
2Outotec Oyj, Pori Outotec Research Center
3Product Development, SSAB Europe Oy
4Faculty of Technology, Materials and Mechanical Engineering, University of Oulu
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 3.9 MB)
Persistent link: http://urn.fi/urn:nbn:fi-fe2019050314164
Language: English
Published: Multidisciplinary Digital Publishing Institute, 2019
Publish Date: 2019-05-03
Description:

Abstract

The quenching and partitioning response following intercritical annealing was investigated for three lean TRIP-type high-Al steel compositions. Depending on the intercritical austenite fraction following annealing, the steels assumed either a ferrite/martensite/retained austenite microstructure or a multiphase structure with ferritic, bainitic and martensitic constituents along with retained austenite. The amount of retained austenite was found to correlate with the initial quench temperature and, depending on the intercritical annealing condition prior to initial quenching, with the uniform and ultimate elongations measured in tensile testing.

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Series: Metals
ISSN: 2075-4701
ISSN-E: 2075-4701
ISSN-L: 2075-4701
Volume: 9
Issue: 3
Article number: 373
DOI: 10.3390/met9030373
OADOI: https://oadoi.org/10.3390/met9030373
Type of Publication: A1 Journal article – refereed
Field of Science: 216 Materials engineering
Subjects:
Copyright information: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
  https://creativecommons.org/licenses/by/4.0/