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Application of Quenching and Partitioning Processes to Welding and Press Hardening
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-5390-7701
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-9100-7982
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.ORCID iD: 0000-0001-7074-8960
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.ORCID iD: 0000-0002-7514-0513
2019 (English)In: Hot sheet metal forming of high-performance steel: Proceedings / [ed] Mats Oldenburg, Jens Hardell, Daniel Casellas, Wissenschaftliche Scripten , 2019, p. 727-735Conference paper, Published paper (Refereed)
Abstract [en]

One of the most critical characteristics of welding and press hardening of advanced high strength steels is a low ductility related to a martensitic transformation due to high cooling rate and/or plastic deformation. The present work proposes the application of quenching and partitioning (Q&P) processing to welding and press hardening in a single production step. Using this methodology will not only improve the ductility without losing the ultra-high strength but also accelerate the whole process rate significantly in comparison with austempering treatment in connection to hot pressing and decrease the cost. In this regard, Gleeble simulation of different Q&P cycles beside simulation of deformation at different rates at different temperatures were applied to a medium carbon, Si- alloyed Q&P steel. Samples were characterized using OM, SEM, XRD, hardness, compression and tensile tests. The aim of the project is to establish manufacturing strategies for obtaining components with extreme properties.

Place, publisher, year, edition, pages
Wissenschaftliche Scripten , 2019. p. 727-735
Series
CHS²-series ; 7
National Category
Other Materials Engineering Applied Mechanics
Research subject
Engineering Materials; Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-75411OAI: oai:DiVA.org:ltu-75411DiVA, id: diva2:1340761
Conference
7th International Conference on Hot Sheet Metal Forming of High Performance Steel (CHS² 2019), 2-5 June, 2019, Luleå, Sweden
Note

ISBN för värdpublikation: 978-3-95735-104-3

Available from: 2019-08-06 Created: 2019-08-06 Last updated: 2020-11-11Bibliographically approved

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Forouzan, FarnooshVuorinen, EsaOldenburg, MatsHäggblad, Hans-Åke

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