MANUFACTURING METHOD OF GREEN COMPACTS OF RARE EARTH ALLOY MAGNETIC POWDER AND A MANUFACTURING METHOD OF RARE EARTH MAGNET
    44.
    发明申请
    MANUFACTURING METHOD OF GREEN COMPACTS OF RARE EARTH ALLOY MAGNETIC POWDER AND A MANUFACTURING METHOD OF RARE EARTH MAGNET 审中-公开
    稀土合金粉末的绿色混合制造方法及稀土磁铁的制造方法

    公开(公告)号:US20150287529A1

    公开(公告)日:2015-10-08

    申请号:US14435017

    申请日:2013-10-11

    Abstract: The present invention discloses a manufacturing method of green compacts of rare earth alloy magnetic powder and a manufacturing method of rare earth magnet, it is a manufacturing method that pressing the rare earth alloy magnetic powder added with organic additive in a closed space filled with inert gases to manufacture the green compacts, wherein the rare earth alloy magnetic powder is compacted under magnetic field in a temperature atmosphere of 25° C.-50° C. and a relative humidity atmosphere of 10%-40%. This method is to set the temperature of the inert atmosphere in a fully closed space, inhibiting bad forming phenomenon of the magnet with low oxygen content (broken, corner-breakage, crack) after sintering, and increasing the degree of orientation, Br and (BH)max.

    Abstract translation: 本发明公开了一种稀土合金磁粉的生坯的制造方法和稀土类磁铁的制造方法,是在填充有惰性气体的封闭空间内加入有机添加剂的稀土类合金磁性粉末的制造方法 制造生坯,其中稀土合金磁粉在25℃-50℃的温度气氛和10%-40%的相对湿度气氛中在磁场下压实。 该方法是将惰性气氛的温度设定在完全封闭的空间内,抑制烧结后氧含量低的磁体(断裂,断裂,裂纹)的不良形成现象,提高取向度Br和( BH)最大

    Stability of gas atomized reactive powders through multiple step in-situ passivation
    47.
    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。

    Non-aqueous electrolyte secondary cell
    49.
    发明授权
    Non-aqueous electrolyte secondary cell 有权
    非水电解质二次电池

    公开(公告)号:US06761998B2

    公开(公告)日:2004-07-13

    申请号:US10088398

    申请日:2002-03-18

    Abstract: A non-aqueous electrolyte secondary battery containing an alloy particle capable of absorbing and desorbing lithium in the negative electrode has a short cycle life and is insufficient in high-rate discharge characteristics, since the alloy particle is pulverized during charge/discharge cycles. In order to solve this problem, a negative electrode is employed, which comprises an alloy particle containing: at least two selected from the group consisting of metal elements and semimetal elements; oxygen; and nitrogen. It is preferred that the alloy particle have a phase A capable of electrochemically absorbing and desorbing lithium ion and a phase B having lithium ion conductivity or lithium ion permeability and that the phase B contain larger amounts of oxygen and nitrogen than the phase A.

    Abstract translation: 含有能够在负极中吸收和解吸锂的合金粒子的非水电解质二次电池由于在充放电循环中粉碎合金粒子,所以循环寿命短,高倍率放电特性不足。 为了解决这个问题,使用负极,其包括含有选自金属元素和半金属元素中的至少两种的合金粒子; 氧; 和氮气。 合金粒子优选具有电化学吸收和解吸锂离子的相A和具有锂离子传导性或锂离子渗透性的相B,并且相B含有比A相更大的氧和氮。

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