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Type: Artigo
Title: Nanocrystalline structural layer acts as interfacial bond in Ti/Al dissimilar joints produced by friction stir welding in power control mode
Author: Pereira, V.F.
Fonseca, E.B.
Costa, A.M.S.
Bettini, J.
Lopes, E.S.N.
Abstract: One of the main drawbacks of welding dissimilar metal alloys is the potential massive precipitation of deleterious intermetallic compounds that occurs at the interface joint. Solid-state welding processes are therefore attractive, given the lower temperatures involved. In this work, dissimilar high strength aluminum and titanium alloys were friction-stir-welded using the spindle power control mode to reduce the heat input at the joint as much as possible. A microstructural characterization indicated that the chosen parameters (heat input of ~0.5 kJ/mm) produced welded joints without spatially continuous layers of deleterious intermetallic compounds
Subject: Soldagem por fricção
Country: Reino Unido
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.scriptamat.2019.08.031
Date Issue: 2020
Appears in Collections:FEM - Artigos e Outros Documentos

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