The size and spacings of primary dendrites in NH4Cl/H2O castings have been found to be affected by the direction of growth of the interface. It is proposed that this effect is due to fluid flow caused by solute density changes.
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References
1.
BURDENM. H.: PhD Thesis, Oxford Univ., 1973.
2.
JACKSONK. A., HUNTJ. D., UHLMAND. R., and SEWARDT. P.: Trans. AIME, 1966, 236, 149.
3.
McDONALDR. J. and HUNTJ. D.: Trans. AIME, 1969, 245, 1993 and Metall. Trans., 1970, 1, 1787.
4.
COPLEYs. M., GIAMEIA. F., JOHNSONS. M., and HORNBECKERM. F.: Metall. Trans., 1970, 1, 2193.
5.
DAVIESI. G. and TIMMINSA. M.: Iron and Steel Internat., 1974, 39.