Interface formation in aluminium–aluminium compound casting
An inherent difficulty in joining aluminium is its natural oxide layer, which results in insufficient wettability. In this project we describe a “compound casting” process where an aluminium melt is cast onto a solid aluminium substrate. Both the solid substrate and the melt contain various alloying...
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| Veröffentlicht in: | Acta materialia 2008-08, Vol.56 (13), p.3036-3043 |
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| container_title | Acta materialia |
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| creator | Papis, K.J.M. Hallstedt, B. Löffler, J.F. Uggowitzer, P.J. |
| description | An inherent difficulty in joining aluminium is its natural oxide layer, which results in insufficient wettability. In this project we describe a “compound casting” process where an aluminium melt is cast onto a solid aluminium substrate. Both the solid substrate and the melt contain various alloying elements (Mg in the substrate; Cu, Si, and Zn in the melt). Compounds with flawless and continuously metallic interfaces can be produced successfully by replacing the oxide layer with a zinc layer. Diffusion of alloying elements leads to heat-treatable microstructures in the vicinity of the joining interfaces. The experimental results coincide well with the diffusion zone extensions simulated by means of DICTRA calculations. |
| doi_str_mv | 10.1016/j.actamat.2008.02.042 |
| format | Article |
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| identifier | ISSN: 1359-6454 |
| ispartof | Acta materialia, 2008-08, Vol.56 (13), p.3036-3043 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Aluminium Aluminium alloys Aluminum Applied sciences Casting Diffusion Diffusion bonding Exact sciences and technology Interface structure Joining Melts Metals. Metallurgy Oxides Silicon substrates Wetting Zinc |
| title | Interface formation in aluminium–aluminium compound casting |
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