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[85790] Artykuł: FABRICATION OF LIGHT BIMETALLIC AZ31/6060 MATERIAL BY COMPOUND CASTINGCzasopismo: 27th International Conference On Metallurgy And Materials (metal 2018) Strony: 1488-1493ISBN: 978-80-87294-84-0 Wydawca: TANGER LTD, KELTICKOVA 62, SLEZSKA, OSTRAVA 710 00, CZECH REPUBLIC Opublikowano: Maj 2018 Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science) Punkty MNiSW: 15 Klasyfikacja Web of Science: Proceedings Paper ![]() Keywords: Magnesium alloy  aluminum alloy  compound casting  intermetallic phases  microstructure  |
The AZ31/6060 bimetallic material was fabricated through compound casting, which involved pouring AZ31 magnesium alloy heated up to 660 degrees C onto a 6060 aluminum alloy insert placed in a steel mould, both preheated to 300 degrees C. The microstructurel analysis was performed with an optical microscope (OM) and a scanning electron microscope equipped with an energy-dispersive X-ray spectrometer (SEM-EDS). Three characteristic areas could be distinguished in the 400-500 pm thick continuous bonding zone, which formed between the alloys. The EDS quantitative analysis revealed that the area close to the AZ31 was a eutectic (an Mg17Al12 phase and a solid solution of Al in Mg); then, there were dendrites of an Mg17Al12 phase; and finally, in the area adjacent to the 6060 alloy, an Al3Mg2 phase was detected. Fine particles of an Mg2Si phase and phases rich in Al, Mn and Fe were distributed over the entire bonding zone. Small porosity was observed only locally.