R-FE-B based rare earth permanent magnet material
    121.
    发明授权
    R-FE-B based rare earth permanent magnet material 有权
    R-FE-B型稀土永磁材料

    公开(公告)号:US07485193B2

    公开(公告)日:2009-02-03

    申请号:US10589237

    申请日:2005-06-20

    Abstract: A R—Fe—B base rare earth permanent magnet material consists of, in percents by weight, 25 to 45 wt % of R, 0.1 to 4.5 wt % of Co, 0.8 to 1.4 wt % of B, 0.05 to 3.0 wt % of Al, 0.02 to 0.5 wt % of Cu, 0.03 to 0.5 wt % of M, 0.01 to 0.5 wt % of C, 0.05 to 3.0 wt % of O, 0.002 to 0.1 wt % of N, 0.001 to 2.0 wt % of F, with the balance of Fe and incidental impurities, wherein R is at least one element selected from among Nd, Pr, Dy, Tb and Ho, and M is at least one element selected from among Zr, Hf, Ti, Cr, Nb, Mo, Si, Sn, Zn, V, W and Cr.

    Abstract translation: R-Fe-B基稀土永磁材料以重量百分比为25〜45重量%的R,0.1〜4.5重量%的Co,0.8〜1.4重量%的B,0.05〜3.0重量% Al,0.02〜0.5重量%的Cu,0.03〜0.5重量%的M,0.01〜0.5重量%的C,0.05〜3.0重量%的O,0.002〜0.1重量%的N,0.001〜2.0重量%的F, 余量为Fe和杂质,其中R为选自Nd,Pr,Dy,Tb和Ho中的至少一种元素,M为选自Zr,Hf,Ti,Cr,Nb,Mo中的至少一种元素 ,Si,Sn,Zn,V,W和Cr。

    Process for producing zinc or zinc alloy powder for battery
    128.
    发明授权
    Process for producing zinc or zinc alloy powder for battery 失效
    用于生产电池用锌或锌合金粉末的方法

    公开(公告)号:US06746509B2

    公开(公告)日:2004-06-08

    申请号:US10238858

    申请日:2002-09-11

    Abstract: A process of producing a zinc or zinc alloy powder (4) for batteries which comprises dropping molten zinc or a molten zinc alloy to form a molten metal droplets stream (1) and striking an atomizing medium jet (3) emitted from a nozzle (2) against the molten metal stream (1) at right angles to atomize the molten zinc or the molten zinc alloy, wherein two or more the nozzles are arranged in parallel to each other, the orifice of each of the nozzles has a V-shaped, U-shaped, X-shaped or arc-shaped cross-section, the atomizing medium is air or an inert gas, two or more the molten metal streams have at least two different flow rates selected from a range 0.04 to 0.25 kg/sec, and two or more the atomizing medium jets have at least two different atomizing pressures selected from a range 4 to 9 kg/cm2.

    Abstract translation: 一种生产用于电池的锌或锌合金粉末(4)的方法,包括滴加熔融锌或熔融锌合金以形成熔融金属液滴流(1)并且撞击从喷嘴(2)发射的雾化介质射流 )对熔融金属流(1)成直角,以雾化熔融锌或熔融锌合金,其中两个或更多个喷嘴彼此平行地布置,每个喷嘴的孔具有V形, U形,X形或弧形横截面,雾化介质是空气或惰性气体,两个或更多个熔融金属流具有选自0.04至0.25kg / sec的至少两种不同流速, 并且两个或更多个雾化介质射流具有选自4至9kg / cm 2的至少两种不同的雾化压力。

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