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Varestraint weldability testing of cast ATI® 718Plus™: a comparison to cast Alloy 718
Chalmers University of Technology, Department of Industrial and Materials Science, Gothenburg, Sweden.
University West, Department of Engineering Science, Division of Welding Technology. (PTW)ORCID iD: 0000-0001-9065-0741
2019 (English)In: Welding in the World, ISSN 0043-2288, E-ISSN 1878-6669, Vol. 63, no 2, p. 389-399Article in journal (Refereed) Published
Abstract [en]

Varestraint testing of the newly developed cast ATI® 718Plus™ after pseudo-HIP (hot isostatic pressing) heat treatments showed that the extent of solidification cracking was independent of the heat treatment condition. The susceptibility towards heat-affected zone (HAZ) liquation cracking was found to be related to the heat treatment dwell time rather than the temperature. The heat treatments at 1120 and 1190 °C for 24 h were the most susceptible to cracking. On the other hand, heat treatments at 1120, 1160 and 1190 °C for 4-h dwell time exhibited the least amount of cracking. The solidification cracking was found to be similar whereas the HAZ liquation cracking was lower for ATI® 718Plus™ after the heat treatment at 1120 and 1190 °C for 4-h dwell time in comparison to cast Alloy 718.

Place, publisher, year, edition, pages
2019. Vol. 63, no 2, p. 389-399
Keywords [en]
Hot cracking, Cast ATI® 718Plus™, Cast alloy 718, Varestraint testing, Backfilling
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-13843DOI: 10.1007/s40194-018-0626-2ISI: 000462318600015Scopus ID: 2-s2.0-85063279429OAI: oai:DiVA.org:hv-13843DiVA, id: diva2:1317879
Funder
Swedish Energy Agency
Note

Funders: GKN Aerospace Sweden AB 

Available from: 2019-05-24 Created: 2019-05-24 Last updated: 2019-07-25Bibliographically approved

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Publisher's full textScopushttps://link.springer.com/article/10.1007%2Fs40194-018-0626-2

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Andersson, Joel

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