The axisymmetrie model is used to study numerically the coupling processes of the ther-mocapillary and the solutalcapillary convection in a floatingzone.
Preparing principle and preparation technology of Mo and Mo-Nb alloy single crystal and structure and component of electron beam floatingzone melting are introduced.
介绍了钼和钼-铌单晶的制备原理、制备工艺及电子束区域熔炼炉组成结构。
3
The relationship between the annealing temperatures and the hydrogen-induced defects in floatingzone silicon grown in hydrogen atmosphere has been investigated by X-ray section topography.