Experiment on Crystal Growth in Space
微重力条件下晶体生长的实验研究

The space high temperature oxide crystal growth process was observed and recorded realtimely by means of the space high temperature in-situ observation facility. This facility has a lot of prominent characteristics, such as automatically photo-focusing lens,multi-working position, automatically recording image etc.The temperature distribution in high temperature melt was measured by setting different control-temperature procedure, in the meantime, the boundary shape varying of high temperature oxide crystal and the fluid state of melt in its ambience were analysed, it was the first time that the even diffuse phenomenon of high temperature solute and the complete cellulation formation in high temperature solution in space were visualized. In the last, the space experimental results were compared with the ground experimental results under the same growth condition of technology,for explaining the effect of gravitational convection and surface tension convection under micro-gravity conditions on the crystal growth in space.