TUNGSTEN ELECTRODE MATERIAL
    2.
    发明公开

    公开(公告)号:EP3591689A1

    公开(公告)日:2020-01-08

    申请号:EP18776117.6

    申请日:2018-03-23

    Applicant: A.L.M.T. Corp.

    Abstract: A tungsten electrode material contains a tungsten-based material and oxide particles dispersed in the tungsten-based material. The oxide particles are composed of an oxide solid solution in which a Zr oxide and/or an Hf oxide and an oxide of at least one rare earth selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu are dissolved as a solid solution. A content of the rare-earth oxide with respect to a total amount of the Zr oxide and/or the Hf oxide and the rare-earth oxide is not lower than 66 mol % and not higher than 97 mol %, a content of the oxide solid solution is not lower than 0.5 mass % and not higher than 9 mass %, and the remainder is composed substantially of tungsten.

    TUNGSTEN ELECTRODE MATERIAL AND THERMAL ELECTRON EMISSION CURRENT MEASUREMENT DEVICE
    4.
    发明公开
    TUNGSTEN ELECTRODE MATERIAL AND THERMAL ELECTRON EMISSION CURRENT MEASUREMENT DEVICE 有权
    Wolfram-Elektroden材料和Verfahren zur Herstellung死亡材料

    公开(公告)号:EP2375438A1

    公开(公告)日:2011-10-12

    申请号:EP09831885.0

    申请日:2009-12-08

    Applicant: A.L.M.T. Corp.

    CPC classification number: H01J1/146 H01B1/08 H01J9/42 H01J61/0735 H01J61/0737

    Abstract: Provided is a tungsten electrode material that can improve the life of an electrode than conventional by the use of a material in place of thorium oxide. The tungsten electrode material includes a tungsten base alloy and oxide particles dispersed in the tungsten base alloy, wherein the oxide particle is an oxide solid solution in which a Zr oxide and/or a Hf oxide and an oxide of at least one or more kinds of rare earth elements selected from Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu are solid-dissolved.

    Abstract translation: 提供了一种钨电极材料,其可以通过使用代替氧化钍的材料来改善电极的寿命。 所述钨电极材料包含钨基合金和分散在所述钨基合金中的氧化物粒子,其中,所述氧化物粒子是氧化物固溶体,其中,Zr氧化物和/或Hf氧化物和至少一种以上的氧化物 选自Sc,Y,La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb和Lu的稀土元素是固溶的。

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