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Effect of the Cu Alloying on the Precipitation Behavior of Al-Mg-Si Alloys
Date
2018-10-27
Author
Özer, Seren
Dericioğlu, Arcan Fehmi
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In the present study, the effect of varying amounts of copper (Cu) addition on the kinetics of the precipitation behavior of heat treatable 6000 series Al-Mg-Si alloys have been investigated by means of scanning electron microscopy (SEM), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and Vickers microhardness measurements. Presence of Cu can greatly enhance the mechanical properties, particularly strength and hardness by refining the precipitate distribution and increasing the stability of GP zones. Alloys containing varying amounts of Cu (Cu content more than 2.5 wt%) were cast into copper mold using an induction casting system under Argon atmosphere, and their final chemical compositions were determined by optical emission spectroscopy. As-cast alloys were homogenized at 500°C for 30 min which included heating from room temperature at a rate of 20°C/min followed by quenching. Characterization studies were focused on the temperatures where phase changes occur as determined by the peaks appearing in DSC curves to better understand the precipitation behavior of nano-scale metastable precipitates at different temperatures
URI
https://hdl.handle.net/11511/87832
Conference Name
IMMC’19 International Metallurgy Materials Congress, (25 - 27 Ekim 2018)
Collections
Department of Metallurgical and Materials Engineering, Conference / Seminar
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S. Özer and A. F. Dericioğlu, “Effect of the Cu Alloying on the Precipitation Behavior of Al-Mg-Si Alloys,” presented at the IMMC’19 International Metallurgy Materials Congress, (25 - 27 Ekim 2018), 2018, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/87832.
