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    • 5. 发明授权
    • Unidirectional solidification process and apparatus therefor
    • 单向凝固工艺及其设备
    • US08186418B2
    • 2012-05-29
    • US12894998
    • 2010-09-30
    • Shan LiuJon Conrad SchaefferGanjiang FengStephen Joseph Balsone
    • Shan LiuJon Conrad SchaefferGanjiang FengStephen Joseph Balsone
    • B22D27/00B22D25/00B22D27/04
    • B22D27/045
    • An apparatus and method for casting an alloy using a unidirectional casting technique. The apparatus includes a mold adapted to contain a molten quantity of an alloy, a primary heating zone adapted to heat the mold and the molten alloy therein to a temperature above the liquidus temperature of the alloy, a cooling zone adapted to cool the mold and molten alloy therein to a temperature below the solidus temperature of the alloy and thereby yield the unidirectionally-solidified casting, and an insulation zone between the primary heating zone and the cooling zone. The apparatus also has a secondary heating zone separated from the insulation zone by the primary heating zone. The secondary heating zone maintains the mold and the molten alloy therein at a temperature below the liquidus temperature of the alloy. The temperatures within the primary and secondary heating zones are individually set and controlled.
    • 一种使用单向铸造技术铸造合金的装置和方法。 该装置包括适于容纳熔融量的合金的模具,适于将模具和其中的熔融合金加热到高于合金液相线温度的温度的主加热区,适于冷却模具和熔融的冷却区 合金的温度低于合金的固相线温度,从而产生单向凝固的铸造,以及主加热区和冷却区之间的绝缘区。 该装置还具有通过主加热区与绝缘区隔开的二次加热区。 二次加热区在低于合金液相线温度的温度下保持模具和熔融合金。 初级加热区和二次加热区内的温度可单独设定和控制。