Towards the problem of forming full strength welded joints on aluminum alloy sheets. Part I: AA2024

Sergey Fortuna, Alexander Eliseev, Tatiana Kalashnikova, Evgeny Kolubaev

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

6 Цитирования (Scopus)

Аннотация

This work shows the microstructural evolution of solid solution grains and secondary phase precipitates in the stirring zones of ultrasonic-assisted friction stir welding (UAFSW) and standard friction stir welding (FSW). As shown, fine spherical AlMgCu precipitates dominate in FSW stirring zone whereas nanosized Al2MgCu (S-phase) platelets ones are the main finding in UAFSW sample. The mechanical strength of AA2024 is provided by precipitation of coherent intermetallic S-phase particles. The dominating amount of S-phase precipitates in UAFSW sample provided the ultimate stress level close to that of the base metal, i.e. 402 MPa as compared to 302 MPa of FSW sample. These values constituted 93 and 85%, respectively, of the base metal strength.

Язык оригиналаАнглийский
Название основной публикацииAdvanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
ИздательAmerican Institute of Physics Inc.
Том1783
ISBN (электронное издание)9780735414457
DOI
СостояниеОпубликовано - 10 ноя 2016
СобытиеInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 - Tomsk, Российская Федерация
Продолжительность: 19 сен 201623 сен 2016

Конференция

КонференцияInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
СтранаРоссийская Федерация
ГородTomsk
Период19.9.1623.9.16

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Цитировать

    Fortuna, S., Eliseev, A., Kalashnikova, T., & Kolubaev, E. (2016). Towards the problem of forming full strength welded joints on aluminum alloy sheets. Part I: AA2024. В Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 (Том 1783). [020058] American Institute of Physics Inc.. https://doi.org/10.1063/1.4966351