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中间层对铝/镁双金属界面调控研究进展与展望
Research Progress and Prospects on the Effects of Interlayers on Al/Mg Bimetal
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- DOI:
- 作者:
- 李广宇1，2，3，曾乾通 1，王月佳1，蒋文明4，王 军2，康 兴1，王晓琼1，姚 山1，3，姚平坤
LI Guangyu1,2，3, ZENG Qiantong1, WANG Yuejia1, JIANG Wenming4, WANG Jun2, KANG Xing1, WANGXiaoqion
- 作者单位:
- 1. 大连理工大学材料科学与工程学院，辽宁大连116024；2. 西北工业大学凝固技术全国重点实验室，陕西西安 710072；3. 大连理工大学宁波研究院，浙江宁波315000；4.华中科技大学材料科学与工程学院材料成形与模具技术全 国重点实验室，湖北武汉430074
1. School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China; 2. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, China; 3. Ningbo Institute of Dalian University of Technology, Ningbo 315000, China; 4. State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
- 关键词:
- Al/Mg 双金属；界面调控；中间层；研究进展；展望
Al/Mg bimetals; interface regulation; interlayer; research progress; prospect
- 摘要:
- Al/Mg双金属材料结合了铝合金和镁合金的性能优势，但界面易形成脆性金属间化合物，影响接头性能。 中间层作为界面调控手段，能够有效阻隔Al与Mg的直接反应，优化界面组织，提升连接性能。 本文综述了不同类型中 间层(低熔点金属、高熔点金属、多元素金属及高熵合金)在复合铸造、焊接等工艺中对Al/Mg双金属界面的影响，总结 了各类中间层的作用机制及界面性能变化规律，并展望了未来高性能中间层材料的发展方向。Al/Mg bimetallic materials combine the performance advantages of aluminium and magnesium alloys, but brittle intermetallic compounds are prone to form at the interface, adversely affecting joint performance. As an interface regulation strategy, interlayers can effectively block direct reactions between Al and Mg, optimize interfacial microstructures, and enhance bonding properties. This paper reviews the effects of different types of interlayers, including low-melting-point metals, high-melting-point metals, multielement alloys, and high-entropy alloys, on the Al/Mg bimetallic interface during processes such as compound casting and welding. The mechanisms of various interlayers and their influence on the interface performance are summarized, and the future development directions of high-performance interlayer materials are also discussed.