1. Microstructural characterization of an Al–Cu–Mg alloy containing Fe and Ni
- Author
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Feng, Wang, Baiqing, Xiong, Yongan, Zhang, Zhihui, Li, and Peiyue, Li
- Subjects
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ALUMINUM-copper-magnesium alloys , *MICROSTRUCTURE , *TERNARY alloys , *IRON , *NICKEL , *EUTECTIC alloys , *SCANNING transmission electron microscopy , *METAL castings - Abstract
Abstract: The microstructural characterization of the Al–2.24Cu–1.42Mg–0.9Fe–0.9Ni (wt%) alloy were studied using optical microscopy (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and tensile tests. The results indicate that the microstructures of the as-cast alloy consist of α-Al matrix, Al/Al2CuMg eutectic structure, Al7Cu2Fe, Al7Cu4Ni and Al9FeNi compounds. After 16h homogenization at 520°C, the lamellar eutectic phases dissolved into the matrix, and the intermetallics containing Fe or Ni were remained in the microstructure. [Copyright &y& Elsevier]
- Published
- 2009
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