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Review of Hot Cracking Phenomena in Austenitic Stainless Steels
Chalmers University of Technology, Department of Materials and Manufacturing Technology, Gothenburg, Sweden.
University West, Department of Engineering Science, Division of Welding Technology. (PTW)ORCID iD: 0000-0001-9065-0741
2016 (English)In: The 7th International Swedish Production Symposium, SPS16, Conference Proceedings: 25th – 27th of October 2016, Lund: Swedish Production Academy , 2016, 1-7 p.Conference paper (Refereed)
Abstract [en]

Hot cracking is a phenomenon occurring during welding. Hot cracks that form in the fusion zone are named solidification cracking while cracking that takes place in the heat affected zone is referred to as liquation cracking. This paper reviews the hot cracking phenomena specifically of relevance to austenitic stainless steels. The currently existing main theories explaining solidification and liquation cracking are considered together with the influence of main parameters in relation to susceptibility towards hot cracking. Important factors are the base metal microstructure, primary solidification mode, solidification rate, distribution of delta ferrite, amount of nitrogen, level of impurities and minor elements.

Place, publisher, year, edition, pages
Lund: Swedish Production Academy , 2016. 1-7 p.
Keyword [en]
Hot cracking, austenitic stainless steels, solidification cracking, liquation cracking
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-10243OAI: oai:DiVA.org:hv-10243DiVA: diva2:1052920
Conference
7th International Swedish Production Symposium, SPS16, Lund, Sweden, October 25–27, 2016
Available from: 2016-12-07 Created: 2016-12-07 Last updated: 2016-12-07Bibliographically approved

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