Design Guideline for Intermetallic Compound Mitigation in Al-Mg Dissimilar Welding through Addition of Interlayer
This paper critically assesses the recent trends in aluminium-magnesium dissimilar welding and suggests a key design guideline to successfully improve the weld joint quality through addition of interlayer. First, the paper describes the main issue of incompatibility between these metals and consider...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Springer-Verlag
2018
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| Subjects: | |
| Online Access: | http://umpir.ump.edu.my/id/eprint/19198/1/%28Accepted%20manuscript%29%20Design%20guideline%20for%20Al-Mg%20dissimilar%20welding.pdf http://umpir.ump.edu.my/id/eprint/19198/7/fkm-2018-LHshah-Design%20guideline%20for%20intermetallic%20compound1.pdf http://umpir.ump.edu.my/id/eprint/19198/ https://doi.org/10.1007/s00170-017-1038-y |
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| Summary: | This paper critically assesses the recent trends in aluminium-magnesium dissimilar welding and suggests a key design guideline to successfully improve the weld joint quality through addition of interlayer. First, the paper describes the main issue of incompatibility between these metals and considers the root cause of the problem, i.e. the Al-Mg based intermetallic compounds (IMCs). It then reviews the recent trends of interlayer addition in various welding processes to mitigate Al-Mg IMCs. Focusing on laser welding, the paper finally proposes a 3-step design guideline in Al-Mg dissimilar welding through addition of an interlayer and presents a case study of using pure Ni foil as a proof of concept. The design guideline has shown to be an effective means to predict and prevent the formation of deleterious intermetallics. |
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