THE INFLUENCE OF VIBRATION ON MICROSTRUCTURAL UNIFORMITY DURING FLOATING-ZONE CRYSTAL-GROWTH

被引:19
作者
GRUGEL, RN
SHEN, XF
ANILKUMAR, AV
WANG, TG
机构
[1] Center for Microgravity Research and Applications, Vanderbilt University, Tennesee, 37235, P.O. Box 6079, Station B, Nashville
关键词
D O I
10.1016/0022-0248(94)90289-5
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Previously, we have shown that temperature gradients can be smoothed, and thermocapillary convection suppressed, in a model half-zone of silicone oil and also in a float-zone of sodium nitrate, by inducing an opposing surface streaming flow through vibration of one of the supporting end-walls. In this work we demonstrate the effect of vibration in promoting uniform microstructures during the float-zoning of NaNO3-Ba(NO3)2 eutectic ''alloys.''
引用
收藏
页码:209 / 214
页数:6
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