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Residual Stresses in Arc Welding: A Holistic Vision
Universidade Federal de Uberlândia – UFU, Grupo Centro para Pesquisa e Desenvolvimento de Processo de Soldagem – Laprosolda, Uberlândia, MG, Brasil.
University West, Department of Engineering Science, Division of Welding Technology. Universidade Federal de Uberlândia – UFU, Grupo Centro para Pesquisa e Desenvolvimento de Processo de Soldagem – Laprosolda, Uberlândia, MG, Brasil. (PTW)ORCID iD: 0000-0002-1005-5895
2018 (English)In: Soldagem & Inspeção, ISSN 0104-9224, E-ISSN 1980-6973, Vol. 23, no 1, p. 93-112Article in journal (Refereed) Published
Abstract [en]

There are several examples in current literature where assumptions regarding residual stresses are made, yet rarely confirmed in practice. To validate this statement, this work presents a critical view on the subject through a bibliographic review. A series of conflicting results were found when researchers attempted, both experimentally and by simulation, to define, quantify, or even qualify, the individual effect of each factor on residual stress generation. It was concluded that the reason for this would be the lack of a holistic view to study the subject. Therefore, a diagram is proposed, which lists and classifies as primary and secondary the governing factors related to the generation of residual stresses, to facilitate the understanding of the effect of each factor. It was also observed a lack of harmonization in publications, both in symbology and in terminology, of the residual stress axes and components. Therefore, a symbology and terminology proposal, with the intention of facilitating the comprehension and transportability of results, is presented. Eventually, from this work is therefore expected a better understanding of the reasons for the literature assumptions to be not always confirmed in practice.

Place, publisher, year, edition, pages
2018. Vol. 23, no 1, p. 93-112
Keywords [en]
Arc welding; Thermal stresses; Residual stresses
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-12684DOI: 10.1590/0104-9224/SI2301.10ISI: 000435109800010Scopus ID: 2-s2.0-85053246166OAI: oai:DiVA.org:hv-12684DiVA, id: diva2:1230997
Available from: 2018-07-05 Created: 2018-07-05 Last updated: 2019-05-28Bibliographically approved

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Scotti, Americo

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