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Journal of Materials Engineering and Performance

Erschienen in:

28.09.2015

Effect of Surplus Phase on the Microstructure and Mechanical Properties in Al-Cu-Mg-Ag Alloys with High Cu/Mg Ratio

verfasst von: Xiaofeng Xu, Yuguang Zhao, Xudong Wang, Ming Zhang, Yuheng Ning

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 11/2015

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Abstract

In order to examine the effect of surplus phase on the microstructure and mechanical properties, different compositions with high Cu/Mg ratio of the T6-temper extruded Al-Cu-Mg-Ag alloys were studied in this investigation. The results show that the Al-5.6Cu-0.56Mg-0.4Ag alloy obtains superior mechanical properties at room temperature, while the yield strength of Al-6.3Cu-0.48Mg-0.4Ag alloy is 378 MPa at 200 °C, which is 200 MPa higher than that of Al-5.6Cu-0.56Mg-0.4Ag alloy. Although the excessive Cu content causes the slight strength loss and elongation decrease in the Al-6.3Cu-0.48Mg-0.4Ag alloy at room temperature, the surplus phases and recrystallized microstructure will play an effective role in strengthening the alloy at elevated temperature.

Vorheriger Artikel Effect of Quenching Process on the Microstructure and Hardness of High-Carbon Martensitic Stainless Steel

Nächster Artikel Effect of Pre-aging on Stress Corrosion Cracking of Spray-formed 7075 Alloy in Retrogression and Re-aging

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Titel: Effect of Surplus Phase on the Microstructure and Mechanical Properties in Al-Cu-Mg-Ag Alloys with High Cu/Mg Ratio
verfasst von: Xiaofeng Xu
Yuguang Zhao
Xudong Wang
Ming Zhang
Yuheng Ning
Publikationsdatum: 28.09.2015
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 11/2015
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-015-1722-8

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