Method and system for preparing shaped particles
    84.
    发明授权
    Method and system for preparing shaped particles 有权
    制备成型颗粒的方法和系统

    公开(公告)号:US09242298B2

    公开(公告)日:2016-01-26

    申请号:US13789010

    申请日:2013-03-07

    Abstract: The present technology provides an illustrative method for preparing shaped nanoparticles. The method includes passing a metal vapor to a shaping apparatus and condensing the metal vapor within the shaping apparatus to form selectively-shaped metal nanoparticles. The method may also include forming the metal vapor by heating a bulk metal. In an embodiment, the shaping apparatus comprises a mesh separator that include a plurality of nano-sized, square-shaped pores or a plurality of shaping cups that includes a plurality of recesses.

    Abstract translation: 本技术提供了制备成型纳米颗粒的说明性方法。 该方法包括将金属蒸气传递到成形设备并将成形设备中的金属蒸气冷凝以形成选择性形状的金属纳米颗粒。 该方法还可以包括通过加热块状金属形成金属蒸气。 在一个实施例中,成形设备包括网眼分离器,其包括多个纳米尺寸的方形孔或包括多个凹部的多个成形杯。

    Stability of gas atomized reactive powders through multiple step in-situ passivation
    88.
    发明申请
    Stability of gas atomized reactive powders through multiple step in-situ passivation 有权
    气体雾化反应性粉末通过多步原位钝化的稳定性

    公开(公告)号:US20130306205A1

    公开(公告)日:2013-11-21

    申请号:US13986193

    申请日:2013-04-10

    Abstract: A method for gas atomization of oxygen-reactive reactive metals and alloys wherein the atomized particles are exposed as they solidify and cool in a very short time to multiple gaseous reactive agents for the in-situ formation of a protective reaction film on the atomized particles. The present invention is especially useful for making highly pyrophoric reactive metal or alloy atomized powders, such as atomized magnesium and magnesium alloy powders. The gaseous reactive species (agents) are introduced into the atomization spray chamber at locations downstream of a gas atomizing nozzle as determined by the desired powder or particle temperature for the reactions and the desired thickness of the reaction film.

    Abstract translation: 一种用于气体雾化氧反应性活性金属和合金的方法,其中当雾化颗粒在非常短的时间内固化并冷却到多个气态反应剂以暴露在雾化颗粒上的保护性反应膜的原位形成时,其被暴露。 本发明特别适用于制造高度自发性反应性金属或合金雾化粉末,如雾化镁和镁合金粉末。 气体反应性物质(试剂)被引入雾化喷雾室中,在气体雾化喷嘴下游的位置,由反应所需的粉末或颗粒温度和所需的反应膜厚度确定。

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