VGF crucible is a kind of vessel for the synthesis of crystals with vertical gradient freeze (VGF) technique, such as GaAs, InP, CZGaP, and Ge crystal.
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In horizontal continuous casting, the break ring connects the tundish (tank) and the crystallizer. Its main function is to control the solidification process of molten steel, forming the interface between steel "billet" and steel "water."