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- W2373669724 abstract "Ti-Al alloy sheets were fabricated successfully by element powder cold roll forming and reactive synthesis. The size and relative density of sheet bars were 500 mm×230 mm×1.5 mm, 85.9% respectively. The effects of process parameters on the fabrication of sheet bars and the vacuum sintering behavior of sheets at different temperatures were investigated. The results show that the moderate flowability of element powders, low rolling velocity and stable rolling pressure are needed for the process of Ti, Al element powder cold rolling. After the sintering, microstructure of Ti-Al alloy sheet consists of Ti-Al and Ti_3Al phases, and the content of Ti_3Al phase increases with the sintering temperature. The increment of Ti-Al sheets porosity is 21%32%, and the prime reasons are considered to be the existence of the porosity in sheet bars and Al self-diffusion in the process of reactive synthesis. During the low pressure(10 kPa) vacuum sintering process, the external pressure works effectively in the transient liquid phase stage. The effect of the low external pressure on porosity of sintered sheets increases with the increment of the size of the element powder particles and the sintering temperature." @default.
- W2373669724 created "2016-06-24" @default.
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- W2373669724 date "2004-01-01" @default.
- W2373669724 modified "2023-09-26" @default.
- W2373669724 title "Fabrication of Ti-Al alloy sheets by element powder cold roll forming and reactive synthesis" @default.
- W2373669724 hasPublicationYear "2004" @default.
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