期刊
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS
卷 41, 期 4A, 页码 L405-L407出版社
INST PURE APPLIED PHYSICS
DOI: 10.1143/JJAP.41.L405
关键词
Al-Si-Ti alloys; microstructure; phase characterisation; lattice parameter
Phases present in Al-12 wt%Si and Al-17.5 wt%Si alloys, with Ti content up to 4 wt%, prepared by rapid cooling, were characterised. The alloys were investigated by optical microscopy, X-ray fluorescence, X-ray diffractometry, scanning electron microscopy and energy dispersive X-ray spectroscopy. The addition of Ti to Al-12 wt%Si alloy led to the precipitation of the intermetallic compound Al3Ti which dissolves up to 11.59 wt%Si, while its addition to Al-17.5 wt%Si alloy led to the precipitation of the ternary compound AlSi2Ti. Lattice parameters of the Al-rich phase and Si-rich phase were measured from X-ray diffraction data.
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