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Open AccessArticle

Quenching and Partitioning of Multiphase Aluminum-Added Steels

Laboratory of Metals Technology, Faculty of Engineering and Natural Sciences, Materials Science, Tampere University, Korkeakoulunkatu 6, 33720 Tampere, Finland
Outotec Oyj, Pori Outotec Research Center, Kuparitie 10, 28330 Pori, Finland
Product Development, SSAB Europe Oy, Harvialantie 420, 13300 Hämeenlinna, Finland
Faculty of Technology, Materials and Mechanical Engineering, University of Oulu, 90014 Oulun Yliopisto, Finland
Author to whom correspondence should be addressed.
Metals 2019, 9(3), 373;
Received: 27 February 2019 / Revised: 18 March 2019 / Accepted: 19 March 2019 / Published: 22 March 2019
(This article belongs to the Special Issue Advances in Low-carbon and Stainless Steels)
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. View Full-Text
Keywords: steel; martensite; austenite; quenching; partitioning; dilatometry steel; martensite; austenite; quenching; partitioning; dilatometry
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MDPI and ACS Style

Nyyssönen, T.; Oja, O.; Jussila, P.; Saastamoinen, A.; Somani, M.; Peura, P. Quenching and Partitioning of Multiphase Aluminum-Added Steels. Metals 2019, 9, 373.

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