Influence of Al foil interlayer on performance of vacuum diffusion bonding joint of 6061 aluminium alloy

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外文摘要：The vacuum diffusion bonding method was used to introduce Al foil as the middle layer,and 6061 aluminium alloy was vacuum diffusion bonding together.The typical microstructure characteristics and mechanical properties of 6061/Al/6061 welded joints were studied in detail,the effects of process parameters and Al intermediate layer on the microstructure and mechanical properties were revealed,and the diffusion bonding mechanism of 6061/Al/6061 welded joints was described.Al foil middle layer welded joint had the best performance at the temperature of 540℃,the holding time of 120 min,and the welding pressure of 4 MPa.The bonding ratio is 95.91%,the shear strength is 79 MPa,and the deformation rate is 8.05%,and the introduction of Al intermediate layer improves the element distribution and microstructure,so that the bonding ratio of the welded joint is increased by 10.86%,the shear strength is increased by 5.55 MPa,and the deformation rate is reduced by 1.58%.The fracture morphology has typical ductile fracture characteristics.

外文关键词：

6061 aluminium alloyDiffusion bondingInterlayerJoint performanceElemental diffusion

作者：

Da-shuang Liu、Jian-hua Xu、Xiong-hui Li、Ping Wei、Yun Liang、Jian Qin、Hua-wei Sun、Tian-ran Ding、Zong-ye Ding、Su-juan Zhong、Lei Zhang、Wei-min Long

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作者单位：

School of Material Science and Engineering,Hefei University of Technology,Hefei 230009,Anhui,China

School of Material Science and Engineering,Jiangsu University of Science and Technology,Zhenjiang 212003,Jiangsu,China

Zhengzhou Research Institute of Mechanical Engineering Co.,Ltd.,Zhengzhou 450001,Henan,China

Ningbo Intelligent Machine Tool Research Institute Co.,Ltd.of China National Machinery Institute Group,Ningbo 315700,Zhejiang,China

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基金：

Joint Funds of the National Natural Science Foundation of ChinaAnhui Provincial Natural Science FoundationGuangdong Basic and Applied Basic Research Foundation

项目编号：

U22A201912208085ME1352023A1515140124

出版年：

2024

DOI：

10.1007/s42243-024-01302-6

钢铁研究学报(英文版)

钢铁研究总院

钢铁研究学报(英文版)

CSTPCD

影响因子：0.584

ISSN：1006-706X

年,卷(期)：2024.31(10)