Abstract
The structure of Al-26 mass% Si-8 mass% Ni alloy, a material used as an input product for manufacturing light weight products via powder metallurgy, was investigated by in situ powder diffraction techniques up to 700°C. Thermal expansion of the dominant phases indicates substitutional alloying of silicon by nickel atoms, forming a solid solution phase stable in the temperature region from 330 to 550°C. The presence of Al, Si, Al3Ni and Si3Ni was determined by phase analysis from a sample annealed at 700°C (re-melted) and cooled down to room temperature. EXAFS analysis of as prepared and re-melted samples documented similar local atomic structure around the Ni atoms in both stages.
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References
P. SMITH, Powder Metall. 33 (1990) 202.
D. VOJTECH, J. MAIXNER, H. HEJDOVA, C. BARTA and C. JR. BARTA, Kovove Mater. 39 (2001) 149.
B. J. BAYLES, J. A. FORD and M. J. SALKIND, Trans. AIME 239 (1967) 844.
H. FRANZ, A. EHNES, A. ROGGENBUCK, K. SAKSL and G. WELLENREUTHER, HASYLAB annual report 1 (2002) 109.
NIST Standard Reference Material, SRM 660a.
A. P. HAMMERRSLEY, ESRF Internal Report, ESRF98HA01T, FIT2D V9.129 Reference Manual V3.1 (1998).
A. C. LARSON and R. B. VON DREELE, GSAS, general structure analysis system, report LAUR 86–748. Los Alamos: Los Alamos National Laboratory (1986).
K. V. KLEMENTIEV, J. Phys. D: Appl. Phys. 34 (2001) 209.
A. L. ANKUDINOV, B. RAVEL, J. J. REHR and S. D. CONRADSON, Phys. Rev. B 58 (1998) 7565.
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Saksl, K., Ďurišin, J., Orolínová, M. et al. Structural study on Al-26 mass% Si-8 mass% Ni powder. J Mater Sci 40, 1975–1978 (2005). https://doi.org/10.1007/s10853-005-1219-1
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DOI: https://doi.org/10.1007/s10853-005-1219-1