Microstructure of AA2024-SiC nanostructured metal matrix composites |
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| Authors: | Timothy Lin Chunhu Tan Bob Liu Adolphus McDonald |
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| Affiliation: | 1. Aegis Technology Inc., 3300 A Westminster Ave., Santa Ana, CA, 92703, USA
2. U.S. Army Aviation and Missile Command, Bldg. 5400, Redstone Arsenal, AL, 35898, USA
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| Abstract: | Nanostructured metal matrix composites (NMMCs) in large-dimension billets were fabricated by hot isostatic pressing (HIPing) of cryomilled powders consisting of AA2024 alloy reinforced by 25 wt.% SiC particles. Microstructure of the bulk nanostructured composites and cryomilled powders was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). In addition, mechanical properties of the bulk nanocomposites were also addressed. |
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