通过 FSSW 多步加载工艺连接的铝合金和镀锌钢板界面的微观结构

Q4 Materials Science

Welding International Pub Date : 2023-07-21 DOI:10.1080/09507116.2023.2230650

Iori Kojima, C. Iwamoto, Yuka Shimizu, T. Matsuda, A. Hirose

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引用次数: 0

摘要

摘要当 GA980 和 A6061 板材之间采用 FSSW 接合时，会在接合界面上形成脆性金属间化合物和含锌区域。这些局部反应产物决定了接头的强度。因此，粘接界面微观结构分析对于控制工艺和提高强度至关重要。本研究对通过 FSSW 粘接的 GA980/A6061 接头进行了接头界面附近的微观结构分析。研究阐明了 A6061 板中 IMC 厚度随粘接界面的详细变化以及含锌区域的微观结构。在 A6061 板中，观察到一种简单的剪切纹理，其 Al 方向与工具旋转方向一致，Al {111} 平面垂直于细长晶粒的方向。在被高角度晶界包围的拉长铝晶粒中，晶粒被低角度晶界分割。

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Microstructure of the interface between aluminum alloy and galvannealed steel plates jointed by FSSW multi-step loading process

Abstract When joining between GA980 and A6061 plates by the FSSW, brittle intermetallic compounds and Zn-contained region are formed at the joint interface. These local reaction products determine the strength of the joint. Therefore, the bonding interface microstructure analysis is crucial to control the process and improve strength. This study performed microstructural analysis near the joint interface on GA980/A6061 joints bonded by the FSSW. The detailed variation of the IMC thickness along with the bonded interface and the microstructure of the Zn-contained region in A6061 plate was clarified. In the A6061 plate, a simple shear texture was observed with the Al <110> direction in the tool rotational direction and the Al {111} plane perpendicular to the direction of the elongated grains. In elongated Al grains surrounded by high-angle grain boundaries, the grains were divided by the low-angle grain boundaries.

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来源期刊

Welding International Materials Science-Metals and Alloys

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： Welding International provides comprehensive English translations of complete articles, selected from major international welding journals, including: Journal of Japan Welding Society - Japan Journal of Light Metal Welding and Construction - Japan Przeglad Spawalnictwa - Poland Quarterly Journal of Japan Welding Society - Japan Revista de Metalurgia - Spain Rivista Italiana della Saldatura - Italy Soldagem & Inspeção - Brazil Svarochnoe Proizvodstvo - Russia Welding International is a well-established and widely respected journal and the translators are carefully chosen with each issue containing a balanced selection of between 15 and 20 articles. The articles cover research techniques, equipment and process developments, applications and material and are not available elsewhere in English. This journal provides a valuable and unique service for those needing to keep up-to-date on the latest developments in welding technology in non-English speaking countries.