Grain selection: single crystal turbine blades
Автор: bhadeshia123
Загружено: 2012-05-23
Просмотров: 63788
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This movie has kindly been provided for educational purposes by Professor Hongbiao Dong of Leicester University. References below. The simulation shows only one crystal makes it through the spiral selector so that the liquid above the selector solidifies as a single crystals as the assembly is lowered through a temperature gradient.
1. H.J. Dai, N. D'Souza, H. B. Dong*, Grain Selection in Spiral Selectors
during Investment Casting of Single Crystal Components - Part I: Experimental
Observation, Metall. Mater. Trans A, 42A, 11 (2011), 3430-3438
2. H.J. Dai, H.B. Dong*, N.D'Souza, J.C. Gebelin, R. C. Reed, Grain Selection
in Spiral Selectors during Investment Casting of Single Crystal Components -
Part II: Numerical Modelling, Metall. Mater. Trans A, 42A, 11 (2011),
3439-3446
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