Influence of Microstructure Development on Mechanical Properties of AlSi7MgCu Alloy (CROSBI ID 678745)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Stanić, Davor ; Zovko Brodarac, Zdenka ; Li, Letian
engleski
Influence of Microstructure Development on Mechanical Properties of AlSi7MgCu Alloy
The design of materials through the selection of the chemical composition, thermodynamic modelling, melt treatment, correctly developed casting technology followed by adequate heat treatment could improve casting properties. A wide range of complex reactions and intermetallic phases occurs due to numerous alloying (Si, Mg, Cu) and trace elements (Fe, Mn) interaction. Determination of solidification sequence was performed by modeling of equilibrium phase diagram, simultaneous thermal analysis and metallographic investigations. Microstructure revealed needle-like Al5SiFe and Chinese script phase Al15(Fe, Mn, Cu)3Si2 enriched in copper. Copper addition resulted in formation of compact complex intermetallic phases Al5Cu2Mg8Si6 and Al8FeMg3Si6. Solidification ended with secondary eutectic phases Mg2Si and Al2Cu. Wide spectra of favourable intermetallic phases comprehend to the tensile mechanical properties development already in as-cast state. Comparison of yield and tensile strength with commonly used AlSi7Mg alloy indicates significant increase of investigated properties for innovative chemistry of AlSi7Mg(Cu) alloy in as-cast state.
AlSi7MgCu alloy ; Microstructure ; Mechanical properties
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Podaci o prilogu
199-207.
2019.
objavljeno
10.1007/978-3-030-05864-7_27
Podaci o matičnoj publikaciji
Light Metals 2019 : Conference proceedings
Chesonis, Corleen
Cham: The Minerals, Metals & Materials Society
978-3-030-05863-0
2367-1181
2367-1696
Podaci o skupu
TMS 2019 148th Annual Meeting and Exhibition
predavanje
10.03.2019-14.03.2019
San Antonio (TX), Sjedinjene Američke Države
Povezanost rada
Metalurgija