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Journal of Materials Engineering and Performance

Erschienen in:

06.10.2016

Precipitation Sequence of a SiC Particle Reinforced Al-Mg-Si Alloy Composite

verfasst von: Rujuan Shen, Yihan Wang, Baisong Guo, Min Song

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 11/2016

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Abstract

In this study, the precipitation sequence of a 5 vol.% SiC particles reinforced Al-1.12 wt.%Mg-0.77 wt.%Si alloy composite fabricated by traditional powder metallurgy method was investigated by transmission electron microscopy and hardness measurements. The results indicated that the addition of SiC reinforcements not only suppresses the initial aging stage but also influences the subsequent precipitates. The precipitation sequence of the composite aged at 175 °C can be described as: Guinier-Preston (G.P.) zone → β″ → β′ → B′, which was confirmed by high-resolution transmission electron microscopy. This work might provide the guidance for the design and fabrication of hardenable automobile body sheet by Al-based composites with enhanced mechanical properties.

Vorheriger Artikel A Novel Cu-10Zn-1.5Ni-0.34Si Alloy with Excellent Mechanical Property Through Precipitation Hardening

Nächster Artikel Effect of Intermetallic Compound Phases on the Mechanical Properties of the Dissimilar Al/Cu Friction Stir Welded Joints

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Titel: Precipitation Sequence of a SiC Particle Reinforced Al-Mg-Si Alloy Composite
verfasst von: Rujuan Shen
Yihan Wang
Baisong Guo
Min Song
Publikationsdatum: 06.10.2016
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 11/2016
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-016-2370-3

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