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公开(公告)号：EP0550725A1
公开(公告)日：1993-07-14
申请号：EP92915933.0
申请日：1992-07-23
CPC分类号： C22C1/055 , B22F2999/00 , Y10S75/959 , B22F3/23
摘要： Procédé de production d'un alliage de matrice métallique en carbure de titane, consistant à cuire un mélange de réaction particulaire comprenant du carbone, du titane et un matériau matriciel, dans des conditions telles que le titane et le carbone réagissent exothermiquement pour former une dispersion de fines particules comprenant du carbure de titane (de préférence moins de 10 microns) dans une matrice principalement métallique. Le titane et la matrice sont ajoutés de préférence sous forme d'un alliage de titane tel que le ferrotitane, par exemple le ferrotitane eutectique. Les conditions de réaction sont sélectionnées de préférence de sorte que pendant la réaction une zone fondue se déplace à travers le corps du mélange de réaction; les particules dures résultantes présentent une forme globulaire, et leur taille moyenne est uniforme dans toute la dispersion résultante.
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公开(公告)号：EP0214220B1
公开(公告)日：1991-05-15
申请号：EP86901458.9
申请日：1986-02-28
发明人： BANERJI, A. Inst. für Metallforschung-Metallkunde , REIF, W. Institut für Metallforschung-Metallkunde
CPC分类号： C22C1/026 , C22C32/0084
摘要： A method of producing an alloy containing titanium carbide particles, the method comprising thoroughly dispersing carbon powder particles into a metal melt, and causing the dispersed carbon particles to react with titanium within the metal melt so as to produce a dispersion of fine particles comprising titanium carbide within the melt. A preferred use for alloys produced by the invention is as a grain refiner for aluminium-based metals, especially those containing zirconium, chromium and/or manganese, which tend to poison current titanium-boron-aluminium grain refiners.
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公开(公告)号：EP0240513B1
公开(公告)日：1991-01-30
申请号：EP86905384.3
申请日：1986-09-23
CPC分类号： C22C1/06
摘要： 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.
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4.发明公开METHOD FOR PRODUCING AN ALLOY CONTAINING TITANIUM CARBIDE PARTICLES 失效方法用于制造合金含TITANKARBIDPARTIKEL。
公开(公告)号：EP0214220A1
公开(公告)日：1987-03-18
申请号：EP86901458.0
申请日：1986-02-28
发明人： BANERJI, A. Inst. für Metallforschung-Metallkunde , REIF, W. Institut für Metallforschung-Metallkunde
CPC分类号： C22C1/026 , C22C32/0084
摘要： Le procédé consiste à disperser complètement des particules de poudre de carbone dans un métal en fusion, et à provoquer la réaction des particules de carbone dispersées avec le titane dans le métal en fusion, de manière à produire une dispersion de fines particules comprenant du carbure de titane dans le métal en fusion. Les alliages ainsi produits sont utilisés de préférence comme agents de raffinage de grain pour des métaux à base d'aluminium, notamment ceux contenant du zirconium, du chrome et/ou du manganèse, qui tendent à empoisonner les agents de raffinage de grain au titane-bore-aluminium couramment utilisés.
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公开(公告)号：EP0556367B1
公开(公告)日：1997-07-23
申请号：EP92918545.2
申请日：1992-09-03
发明人： DAVIES, Peter , KELLIE, James, Leslie, Frederick Shatton Hall Farm , PARTON, Douglas, Philip , WOOD, John, Vivian
CPC分类号： C22C32/0073 , C22C1/1036
摘要： The invention provides a process for producing an aluminium-based matrix melt, having boride particles dispersed therein, which is castable, and yet when cast produces a product having a surprisingly good combination of mechanical properties such as stiffness, strength, and elongation at failure. In the process, precursors for boride particles are reacted within an aluminium-based melt to produce boride ceramic particles such as titanium diboride, the process being carried out under conditions such that the melt remains fluid.
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公开(公告)号：EP0235188B1
公开(公告)日：1991-03-06
申请号：EP86904891.8
申请日：1986-08-19
发明人： WEBER, G. Institut für Metallforschung-Metallkunde , REIF, W. Institut für Metallforschung-Metallkunde
CPC分类号： C22C1/06
摘要： 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. The invention also provides grain refiners for practising the method.
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公开(公告)号：EP0058468A1
公开(公告)日：1982-08-25
申请号：EP82300221.7
申请日：1982-01-15
IPC分类号： C22B3/00
CPC分类号： C22B3/24 , Y02P10/234
摘要： Aliphatic, aromatic and heterocyclic esters of derivatives of dithiocarbamic acid and polymeric forms thereof have affinity for certain monovalent and multivalent metal ions and form elutable complexes. The compounds can thus be used to extract the metals from solution, if necessary by selective extraction when the solution contains other metal ions which do not form complexes with the extraction agents.
摘要翻译： 二硫代氨基甲酸衍生物的脂族，芳族和杂环酯及其聚合形式对某些单价和多价金属离子具有亲和力，并形成可洗涤的络合物。 因此，当溶液含有不与提取剂形成络合物的其它金属离子时，这些化合物可用于从溶液中萃取金属，如果需要，通过选择性萃取。
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公开(公告)号：EP0633948B1
公开(公告)日：1999-06-09
申请号：EP94904291.5
申请日：1994-01-20
CPC分类号： C22C1/03
摘要： An alloying additive of fine metallurgical structure is made by providing a melt of a suitable alloying material, for example an aluminium-based melt containing one or more alloying components for treating an aluminium-based melt for grain refinement, modification, conductivity reduction and/or addition of alloying metal, and applying one or more substantially unatomised streams of the melt to a cooling surface, e.g. the cylindrical exterior surface of a water-cooled rotating metal drum, to produce a splat product, which is then arranged into a dosage form suitable for making measured alloying additions, preferably having first been granulated.
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公开(公告)号：EP0633948A1
公开(公告)日：1995-01-18
申请号：EP94904291.0
申请日：1994-01-20
IPC分类号： C22C1
CPC分类号： C22C1/03
摘要： An alloying additive of fine metallurgical structure is made by providing a melt of a suitable alloying material, for example an aluminium-based melt containing one or more alloying components for treating an aluminium-based melt for grain refinement, modification, conductivity reduction and/or addition of alloying metal, and applying one or more substantially unatomised streams of the melt to a cooling surface, e.g. the cylindrical exterior surface of a water-cooled rotating metal drum, to produce a splat product, which is then arranged into a dosage form suitable for making measured alloying additions, preferably having first been granulated.
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公开(公告)号：EP0632845A1
公开(公告)日：1995-01-11
申请号：EP94904292.0
申请日：1994-01-20
摘要： The invention provides a method of making a titanium boride metal matrix alloy, by firing a particulate reaction mixture comprising titanium, matrix material and a source of boron (e.g. boron carbide), under conditions such that the titanium and boron react exothermically to form a dispersion of fine particles (preferably greater than 1 micron and less than 10 microns in size) comprising titanium boride (plus titanium carbide where the source of boron is boron carbide) in a predominantly metal matrix. The titanium and matrix are preferably added as a titanium alloy such as ferrotitanium (e.g. eutectic ferrotitanium) or titanium-aluminium. The reaction conditions are preferably selected so that during the reaction a molten zone moves through the body of the reaction mixture, and the average size of the resulting hard particles is uniform throughout the resulting dispersion.
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