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    • 6. 发明授权
    • Silver- or silver-copper alloy-metal oxide composite material
    • 银或铜 - 铜合金 - 金属氧化物复合材料
    • US5421918A
    • 1995-06-06
    • US240890
    • 1994-05-11
    • Akira Shibata
    • Akira Shibata
    • B23K35/22C22C1/10C22C32/00C22C5/06C22C5/08
    • C22C1/1036B23K35/222C22C32/0021
    • A silver-metal oxide composite material comprising a silver matrix or silver-copper alloy matrix containing 50% by weight or less of copper, (a) from 0.5 to 25% by weight, in terms of elemental metal, of an oxide of at least one element selected from the group consisting of Mg, Al, Zr, Ca, Ce, Be, Th, Sr, Ti, Cr, Hf and Si, and, optionally, (b) from 0.01 to 5% by weight, in terms of elemental metal, of an oxide of at least one element selected from the group consisting of Bi, Pb, Cd, Zn, Sn, Sb, Mn and iron family metals; the oxide of the (a) element and, where present, the oxide of the (b) element being dispersed in the form of fine particles with a particle size of not more than about 0.1 .mu.m uniformly throughout the matrix from the surface to the core thereof; and process of producing the composite material using oxidation under the conditions in which a liquid phase and a solid phase coexist.
    • 一种银 - 金属氧化物复合材料,其包含含有50重量%以下的铜的银基体或银 - 铜合金基体,(a)以元素换算计为0.5〜25重量%的氧化物,至少 选自Mg,Al,Zr,Ca,Ce,Be,Th,Sr,Ti,Cr,Hf和Si中的一种元素,和(b)0.01至5重量% 元素金属,选自Bi,Pb,Cd,Zn,Sn,Sb,Mn和铁族金属中的至少一种元素的氧化物; (a)元素的氧化物和(b)元素的氧化物以粒子尺寸不大于约0.1μm的细颗粒形式从表面均匀地分散在整个基质中, 核心 以及在液相和固相共存的条件下使用氧化生产复合材料的方法。
    • 9. 发明授权
    • Resistance welding electrode chip
    • 电阻焊电极芯片
    • US4843206A
    • 1989-06-27
    • US245173
    • 1988-09-15
    • Kazuo AzumaMasahiko Inoue
    • Kazuo AzumaMasahiko Inoue
    • B23K11/30B23K35/02B23K35/22
    • B23K35/0205B23K35/222
    • A welding resistance electrode chip of this invention comprises a front end to be brought into contact with a substance to be welded, an intermediate cylinder disposed on and in contact with the tail end of front end, and a main cylinder having a closed end disposed on and in contact with the tail end of front end and the tail end and the inner wall of intermediate cylinder. It is sintered and molded out of appropriate copper-based powder materials respectively satisfying the requirements of portions thereof: The front end is made of a powder material having good thermal shock resistance and wear resistance, the intermediate cylinder is made of a powder material having high tenacity to suppress the deformation of the front end, and the main cylinder is made of a powder material having high conductivity. Therefore, the durability of resistance welding electrode chip of this invention has been improved remarkably, and the operation rate of equipment has been improved.
    • 本发明的焊接电极电极芯片包括与要被焊接的物质接触的前端,设置在前端的尾端上并与其前端接触的中间圆筒,以及设置在其上的封闭端的主圆筒 并且与前端的尾端和中间气缸的尾端和内壁接触。 分别满足其部分要求的合适的铜基粉末材料烧结和模制:前端由具有良好耐热冲击性和耐磨性的粉末材料制成,中间圆筒由具有高的粉末材料制成 用于抑制前端变形的强度,主缸由具有高导电性的粉末材料制成。 因此,本发明的电阻焊电极芯片的耐久性得到显着提高,设备的运行率得到提高。