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    • 5. 发明授权
    • Atomization die and method for atomizing molten material
    • 雾化模具和雾化熔融材料的方法
    • US4485834A
    • 1984-12-04
    • US327698
    • 1981-12-04
    • Nicholas J. Grant
    • Nicholas J. Grant
    • B22F9/08C03B19/01C03B19/10C03B37/06C23C4/12D04H1/56B22D23/00
    • B22F9/082C03B19/01C03B19/10C03B37/06C23C4/123D04H1/56B22F2009/088B22F2998/00B22F2999/00
    • The die comprises at least one set of opposed linearly configurated die elements spaced in substantially parallel relationship to define a longitudinally configurated die space therebetween dimensioned to pass therethrough a sheet of the molten material, the die elements defining a nozzle assembly characterized by oppositely disposed orifice-bearing surfaces. Each of the linear die elements has a gas pressure manifold for receiving atomizing gas under superatmospheric pressure, each of the oppositely disposed nozzle-defining surfaces having at least one array of orifices extending therealong and embracing each side of the longitudinally configurated die space defined by the oppositely disposed linear die elements. Conduits are provided for communicating the orifices with the gas manifold, the array of orifices in each of the die elements being convergently directed towards the other through an included angle of, for example, 40.degree. for directing atomizing gas against a predetermined focal region on a sheet of molten material passing through the longitudinal die space, each of the orifice conduits connected to resonating cavities for generating ultrasonic, high frequency shock waves for one-step disintegration of the sheet of molten material at said focal region into fine atomized particles which later solidify. The uses include the production of dry powders and liquid dynamically densified shapes, such as ingots, forging and rolling preforms and highly dense compacts.
    • 模具包括至少一组相对的线性构造的模具元件,其基本平行的关系间隔开,以限定其间尺寸设计成穿过熔融材料片材的纵向配置的模具空间,模具元件限定喷嘴组件,其特征在于相对设置的孔口 - 轴承表面。 每个线性模具元件具有用于在超大气压力下接收雾化气体的气体压力歧管,每个相对设置的喷嘴限定表面具有至少一个孔阵列,其沿着其延伸并且包围由所述纵向配置的模具空间的每一侧限定 相对设置的线性模具元件。 提供管道用于将孔与气体歧管连通,每个模具元件中的孔的阵列通过例如40°的夹角会聚地指向另一个,用于将雾化气体引导到预定焦点区域上 熔融材料片通过纵向模具空间,每个孔口导管连接到谐振腔,用于产生超声波高频冲击波,用于在所述焦点区域将熔融材料片一步分解成稍微固化的细小雾化颗粒 。 这些用途包括生产干燥粉末和液体动态致密化的形状,例如锭,锻造和轧制预成型件以及高度致密的压坯。