Small-angle X-ray scattering study of the δ′ phase growth kinetic in 1420 Al–Li alloy

The small angle X-ray scattering (SAXS) technique has been used to characterize the coarsening kinetics of the δ′ phase in 1420 Al–Li alloy aged at 160°C for several times. The results showed that the deviation of δ′ phase coarsening from the LSW coarsening rate law exists between the early stage an...

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Veröffentlicht in:	Materials characterization 2001-07, Vol.47 (1), p.43-46
Hauptverfasser:	Meng, F.L., Chai, Z.G., Li, J.X., Bian, H.J., Wang, Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Al–Li alloy Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Interfacial characteristics Materials science Metals. Metallurgy Physics Solid solution hardening, precipitation hardening, and dispersion hardening aging Solid solution, precipitation, and dispersion hardening aging Treatment of materials and its effects on microstructure and properties δ′ phase
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Zusammenfassung:	The small angle X-ray scattering (SAXS) technique has been used to characterize the coarsening kinetics of the δ′ phase in 1420 Al–Li alloy aged at 160°C for several times. The results showed that the deviation of δ′ phase coarsening from the LSW coarsening rate law exists between the early stage and later stage of aging. It maybe identified by the mechanism of spinodal decomposition of the δ′ phase.
ISSN:	1044-5803 1873-4189
DOI:	10.1016/S1044-5803(01)00150-4