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Measurement of the thermal cycle in the base metal heat affected zone of cast ATI ® 718Plus TM during manual multi-pass TIG welding
Chalmers University of Technology,Department of Industrial and Materials Science, S-Gothenburg, 41296, Sweden.ORCID iD: 0000-0002-1607-9177
University West, Department of Engineering Science, Division of Welding Technology. (PTW)ORCID iD: 0000-0002-0234-3168
University West, Department of Engineering Science, Division of Welding Technology. (PTW)ORCID iD: 0000-0001-9065-0741
2018 (English)In: Procedia Manufacturing, E-ISSN 2351-9789, Vol. 25, p. 443-449Article in journal (Refereed) Published
Abstract [en]

This paper presents a method to acquire thermal data in the base metal heat affected zone (HAZ) during manual multi-pass TIG welding of ATI ® 718Plus TM , representing conditions close to an actual repair welding operation. Thermocouples were mounted in different locations along side walls of linear grooves to record temperature data. The thermal cycling was found to be largely independent of location within the HAZ. The recorded temperatures were below the incipient laves melting temperature, indicating that the current test setup requires optimisation to study HAZ liquation. Based on the results of this study, a modified thermocouple mounting technique is proposed. © 2018 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2018. Vol. 25, p. 443-449
Keywords [en]
Nickel-based superalloys, Welding, Temperature measurement
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering; Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-13922DOI: 10.1016/j.promfg.2018.06.115Scopus ID: 2-s2.0-85065664942OAI: oai:DiVA.org:hv-13922DiVA, id: diva2:1320756
Conference
8th Swedish Production Symposium, SPS 2018, Stockholm, Sweden, 16-18 May, 2018
Funder
Swedish Energy AgencyAvailable from: 2019-06-05 Created: 2019-06-05 Last updated: 2019-07-23Bibliographically approved

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Hanning, FabianHurtig, KjellAndersson, Joel

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