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Varestraint Weldability Testing of ATI 718Plus®: Influence of Eta Phase
Chalmers University of Technology,Department of Industrial and Materials Science, Gothenburg, Sweden.
University West, Department of Engineering Science.
University West, Department of Engineering Science, Division of Welding Technology. (PTW)ORCID iD: 0000-0001-9065-0741
Aalto University School of Engineering, Helsinki, Finland.
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2018 (English)In: Proceedings of the 9th International Symposium on Superalloy 718 & Derivatives: Energy, Aerospace, and Industrial Applications / [ed] Eric Ott, Xingbo Liu, Joel Andersson, Zhongnan Bi, Kevin Bockenstedt, Ian Dempster, Jon Groh, Karl Heck, Paul Jablonski, Max Kaplan, Daisuke Nagahama, Chantal Sudbrack, Springer, 2018, p. 929-937Conference paper, Published paper (Refereed)
Abstract [en]

This study investigates the effect of eta phase on hot cracking susceptibility of ATI 718Plus®. Two heat treatment conditions of 950 °C/1 h and 950 °C/15 h having different amounts of eta phase were tested by longitudinal Varestraint testing method. The heat treatment at 950 °C/15 h exhibited the highest amount of cracking. This was related to the higher amount of eta phase precipitation during the long dwell heat treatment which aided to extensive liquation during welding.

Place, publisher, year, edition, pages
Springer, 2018. p. 929-937
Series
The Minerals, Metals & Materials Series, ISSN 2367-1181, E-ISSN 2367-1696
Keywords [en]
ATI 718plus®, Eta phase, Varestraint testing, Hot cracking
National Category
Manufacturing, Surface and Joining Technology Metallurgy and Metallic Materials
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-12341DOI: 10.1007/978-3-319-89480-5_62Scopus ID: 2-s2.0-85064860450ISBN: 978-3-319-89479-9 (print)ISBN: 978-3-319-89480-5 (electronic)OAI: oai:DiVA.org:hv-12341DiVA, id: diva2:1259015
Conference
9th International Symposium on Superalloy 718 & Derivatives : Energy, Aerospace, and Industrial Applications, Pittsburgh, Pennsylvania, USA, June 3–6, 2018,
Available from: 2018-10-26 Created: 2018-10-26 Last updated: 2019-05-13Bibliographically approved

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Andersson, Joel

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