2000
DOI: 10.4028/www.scientific.net/msf.331-337.1713
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High Resolution EBSD Analysis of the Grain Structure in an AA2024 Friction Stir Weld

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Cited by 73 publications
(66 citation statements)
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“…Whilst the exact microstructural origins of crack initiation within the flow arm were not clear, it is apparent that, in keeping with the crack deflection that occurred at the weld nugget, preferred failure behaviour in FSWs is directly influenced by flow features of the process. In terms of the deflected crack growth at the nugget, Norman et al [6] have identified the onion ring bands in 2024-T351 FSWs with abrupt changes in intermetallic particle density, with limited apparent changes in local grain dimensions and preferred crystallographic orientations. Changes in intermetallic distribution at the edge of an individual onion ring band in the present welds are highlighted in Fig.…”
Section: Discussionmentioning
confidence: 99%
“…Whilst the exact microstructural origins of crack initiation within the flow arm were not clear, it is apparent that, in keeping with the crack deflection that occurred at the weld nugget, preferred failure behaviour in FSWs is directly influenced by flow features of the process. In terms of the deflected crack growth at the nugget, Norman et al [6] have identified the onion ring bands in 2024-T351 FSWs with abrupt changes in intermetallic particle density, with limited apparent changes in local grain dimensions and preferred crystallographic orientations. Changes in intermetallic distribution at the edge of an individual onion ring band in the present welds are highlighted in Fig.…”
Section: Discussionmentioning
confidence: 99%
“…Aerospace industry material 2024 Al alloy was also investigated in the evolution of the grain structures by EBSD. 5) Microstructure of 5182 Al alloy before and after FSW were both examined. 6) Murr et al presented a detailed analysis of precipitation and precipitation-related microstructures in friction stir welded 6061 aluminum utilizing conventional transmission electron microscopy.…”
Section: Introductionmentioning
confidence: 99%
“…[5] O fluxo dos materiais é complexo e depende do projeto da ferramenta, todavia, a maior parte da deformação é causada por cisalhamento do material em torno da mesma. [5] Devido ao movimento de translação, o metal é transferido da zona frontal para a zona traseira do pino, onde o mesmo é forjado.…”
Section: -Revisão Bibliográficaunclassified
“…[5] O fluxo dos materiais é complexo e depende do projeto da ferramenta, todavia, a maior parte da deformação é causada por cisalhamento do material em torno da mesma. [5] Devido ao movimento de translação, o metal é transferido da zona frontal para a zona traseira do pino, onde o mesmo é forjado. [5], [46] Nas ligas de alumínio, FSW pode produzir até quatro zonas microestruturais distintas: [21] Zona 1 -" Nugget " no centro da solda, próximo ao local de passagem do pino, onde normalmente existem grãos finos recristalizados.…”
Section: -Revisão Bibliográficaunclassified
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