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    • 12. 发明申请
    • GRAIN REFINING OF COPPER-BASED ALLOYS
    • 基于铜的合金的精制
    • WO1987002070A1
    • 1987-04-09
    • PCT/GB1986000568
    • 1986-09-23
    • LONDON & SCANDINAVIAN METALLURGICAL CO LIMITEDKELLIE, James, Leslie, FrederickCOWELL, Andrew, James, John
    • LONDON & SCANDINAVIAN METALLURGICAL CO LIMITED
    • C22C09/00
    • C22C1/06
    • A grain refinement method for copper-based metals, which method can be applied to a range of different types of such metals. In accordance with the method, one arranges that a melt of the metal to be grain refined contains each of the following components: (a) titanium and/or zirconium; (b) at least one of: lithium, sodium, potassium, beryllium, magnesium, calcium, strontium and barium; (c) at least one of: scandium, yttrium, titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, manganese, technetium, rhenium, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, silver, gold, zinc, cadmium, mercury and the rare earth elements; and (d) at least one of: aluminium, gallium, indium, silicon, germanium, tin, lead, phosphorus, arsenic, antimony, bismuth, sulphur, selenium and tellurium; and solidifies the melt to produce grain refinement of the copper-based metal, at least one of components (a) to (d) being introduced into the melt by means of a powder which comprises one or more of the components (a) to (d). The invention also provides grain refiners for practising the method.
    • 一种用于铜基金属的晶粒细化方法,该方法可以应用于一系列不同类型的这种金属。 根据该方法,将待精细金属的熔体排列成包含以下各成分:(a)钛和/或锆; (b)锂,钠,钾,铍,镁,钙,锶和钡中的至少一种; (c)钪,钇,钛,锆,铪,钒,铌,钽,铬,钼,钨,锰,锝,铼,铁,钌,锇,钴,铑,铱, 钯,铂,银,金,锌,镉,汞和稀土元素; 和(d)铝,镓,铟,硅,锗,锡,铅,磷,砷,锑,铋,硫,硒和碲中的至少一种; 并且使所述熔体固化以产生所述铜基金属的晶粒细化,将组分(a)至(d)中的至少一种通过粉末引入所述熔体中,所述粉末包含一种或多种组分(a)至( D)。 本发明还提供了用于实施该方法的晶粒细化剂。
    • 18. 发明申请
    • COPPER ALLOY FOR ELECTRIC AND ELECTRONIC COMPONENTS
    • 铜合金电子元器件
    • WO1995009252A1
    • 1995-04-06
    • PCT/JP1994001636
    • 1994-09-30
    • KABUSHIKI KAISHA KOBE SEIKO SHOYAZAKI CORPORATIONTSUZAKI, YoshinobuKATO, TetsuoOHOTA, YukioKAKUTA, Naoki
    • KABUSHIKI KAISHA KOBE SEIKO SHOYAZAKI CORPORATION
    • C22C09/00
    • C22C9/00
    • A copper alloy for electric and electronic components which contains 1.8-2.0 wt.% of iron, 0.025-0.040 wt.% of phosphorus, 1.7-1.9 wt.% of zinc, 0.40-1.0 wt.% of tin, 0.0001-0.01 wt.% of calcium, and the balance comprising copper and inevitable impurities. The alloy may further contain 0.001-0.01 wt.% in total of at least one element selected between 0.001-0.01 wt.% of chromium and 0.001-0.01 wt.% of magnesium. This alloy serves to solve the problem of prior art such that ingot cracking is apt to occur during heating or hot working in the hot working step, to prevent short-circuiting caused by the copper migration often occurring in accordance with an increased tendency toward higher-density electric and electronic components, to improve the service life (wear resistance) of molds, and to reduce the production cost.
    • 一种用于电气和电子部件的铜合金,其包含1.8-2.0重量%的铁,0.025-0.040重量%的磷,1.7-1.9重量%的锌,0.40-1.0重量%的锡,0.0001-0.01重量% %的钙,余量包含铜和不可避免的杂质。 该合金还可以含有0.001-0.01重量%的总计0.001-0.01重量%的铬和0.001-0.01重量%镁中的至少一种元素。 该合金用于解决现有技术的问题,使得在热加工步骤中的加热或热加工期间容易发生锭裂纹,以防止由于随着较高温度的增加的趋势而经常发生的铜迁移引起的短路, 密度电子电器元件,提高模具的使用寿命(耐磨性),降低生产成本。
    • 20. 发明申请
    • REFRACTORY METAL SWAY COMPOSITION AND METHOD OF MAKING SAME
    • 炼铁金属泡沫组合物及其制备方法
    • WO1994008059A1
    • 1994-04-14
    • PCT/US1992008680
    • 1992-10-05
    • MEGY, Joseph, A.
    • C22C09/00
    • B22F8/00B22F9/04C22B1/248C22B34/10Y02P10/24Y02W30/541
    • A clean refractory metal SWARF particle product is made from refractory metal SWARF. The SWARF particles are produced with coolant at a temperature of less than 650 C to prevent formation of refractroy metal oxides and nitrides. The SWARF particles are comminuted to reduce the particle size of the SWARF slivers and to liberate residual coolant. The comminuted SWARF slivers are washed with a displacement wash to remove the bulk of the coolant and subject to a counter-current wash to remove substantially all of the coolant components to produce clean SWARF particles. The clean SWARF particles can be pressed into briquettes and sintered at elevated pressures or mixed with an alkali metal refractroy metal halide salt, pressed at elevated pressures into SWARF/salt briquettes and dried. The briquettes are non-pyrophoric.
    • 清洁难熔金属SWARF颗粒产品由难熔金属SWARF制成。 SWARF颗粒在低于650℃的温度下用冷却剂制备,以防止形成折射金属氧化物和氮化物。 粉碎SWARF颗粒以减少SWARF细条的粒度并释放剩余的冷却剂。 粉碎的SWARF条子用置换洗涤液洗涤以除去大部分冷却剂,并进行逆流洗涤以基本上除去所有冷却剂组分以产生干净的SWARF颗粒。 干净的SWARF颗粒可以压制成压块并在升高的压力下烧结或与碱金属折射金属卤化物盐混合,在高压下压制成SWARF /盐块并干燥。 煤块是非发火的。