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1.发明授权Process for producing tungsten heavy alloy sheet using a metallic salt binder system 失效使用金属盐粘合剂体系生产钨重合金板的方法
公开(公告)号：US4777015A
公开(公告)日：1988-10-11
申请号：US143878
申请日：1988-01-14
摘要： A process is disclosed for producing a sheet of tungsten heavy alloy which involves uniformly blending metal powder compnents of the alloy by forming a slurry of the powder components and one or more chemical compounds of at least one of the components of the alloy as an inorganic binder in a liquid medium, the chemical compound being soluble in the liquid medium and capable of being decoposed into one or more of the metal components of the alloy below the melting point of the metal powder components, removing the liquid medium from the powder components and forming a planar cake of the powder components and said inorganic binder, drying the cake, heating the cake to a temperature sufficient to decompose the inroganic binders into their elemental components or oxides, followed by heating the cake in a reducing atmosphere at a temperature sufficient to reduce any oxides forming during the previous steps to the metals, and sintering the cake to a density equal to or greater than about 90% of the theoretical density of the alloy to form the sheet.
摘要翻译： 公开了一种用于生产钨重合金片的方法，其涉及通过形成粉末组分的浆料和合金的至少一种组分的一种或多种化学化合物作为无机粘合剂来均匀地掺合合金的金属粉末组分 在液体介质中，化合物在液体介质中是可溶解的并且能够被降解成低于金属粉末成分熔点的合金的一种或多种金属组分，从粉末组分中除去液体介质并形成 粉末组分和所述无机粘合剂的平面饼状物，干燥滤饼，将饼块加热到足以将无机粘合剂分解成其元素组分或氧化物的温度，然后在足够减少的温度的还原气氛中加热滤饼 在前述步骤中形成金属的任何氧化物，并将饼状物烧结至等于或大于约90的密度 合金的理论密度的百分比形成片材。
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公开(公告)号：US4832907A
公开(公告)日：1989-05-23
申请号：US143866
申请日：1988-01-14
摘要： A process is disclosed for producing a sheet of tungsten heavy alloy which involves uniformly blending elemental powder components of the alloy by forming a slurry of the powder components in a liquid medium, removing the liquid medium from the powders and forming a planar cake of the powders, drying the cake, sintering the cake to a density equal to or greater than about 90% of the theoretical density of the alloy to form the sheet.
摘要翻译： 公开了一种用于生产钨重合金片的方法，该方法涉及通过在液体介质中形成粉末成分的浆液，均匀混合合金的元素粉末成分，从粉末中除去液体介质并形成粉末的平面饼 ，将滤饼干燥，将滤饼烧结至等于或大于合金理论密度的约90％的密度以形成片材。
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3.发明授权
公开(公告)号：US4944797A
公开(公告)日：1990-07-31
申请号：US292790
申请日：1989-01-03
IPC分类号： B22F9/04 , H01L23/498 , H05K1/09
CPC分类号： H01L23/49883 , B22F9/04 , H01L2924/0002 , H05K1/092
摘要： A powder material and a process for producing same are disclosed. The process comprises reducing the size of an electrolytically produced starting dendritic copper powder material by fluid energy milling to produce a finer powder, essentially all of which has a particle size of less than about 20 micrometers in diameter, entraining the finer powder in a carrier gas and passing it through a high temperature zone at a temperature above the melting point of the finer powder, the temperature being from about 5500.degree. C. to about 17,000.degree. C., to melt at least about 50% by weight of the finer powder to form essentially fine spherical particles of the melted portion, and rapidly and directly resolidifying the resulting high temperature treated material while the material is in flight, to form fine spherical particles having a particle size of less than about 20 micrometers in diameter. The particles are essentially free of elliptical shaped material and essentially free of elongated particles having rounded ends, and have an oxygen content of less than about 0.5% by weight, and a carbon content of no greater than the carbon content of the starting material.
摘要翻译： 公开了粉末材料及其制造方法。 该方法包括通过流体能量研磨来减小电解产生的起始树枝状铜粉末材料的尺寸以产生更细的粉末，其基本上全部具有直径小于约20微米的粒度，将更细的粉末夹带在载气中 并将其在高于较细粉末熔点的温度下通过高温区，温度为约5500℃至约17,000℃，将至少约50重量％的较细粉末熔化至 形成熔融部分的基本上细小的球形颗粒，并且在材料处于飞行状态时快速且直接地重新固化所得到的高温处理材料，以形成粒径小于约20微米的细小球形颗粒。 颗粒基本上不含椭圆形材料，基本上不含具有圆形末端的细长颗粒，并且氧含量小于约0.5重量％，碳含量不大于原料的碳含量。
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公开(公告)号：US4884754A
公开(公告)日：1989-12-05
申请号：US292788
申请日：1989-01-03
CPC分类号： B22F9/04 , C09C1/622 , C09C3/006 , C01P2004/20 , C01P2004/61 , H05K1/095
摘要： A process is disclosed for producing fine copper flakes which comprises media milling copper powder particles with one or more organic surfactants in a non-polar organic medium to comminute the copper particles and produce intermediate flakes having a thickness of less than about 3 micrometers, removing the major portion of the organic medium and the organic surfactants from the intermediate flakes to produce dried intermediate flakes, and fluid energy milling the intermediate flakes to reduce the diameter of the dried intermediate flakes and produce flakes having a diameter of no greater than about 10 micrometers in diameter.
摘要翻译： 公开了一种生产细铜薄片的方法，该方法包括在非极性有机介质中将铜粉末颗粒与一种或多种有机表面活性剂一起研磨以粉碎铜颗粒并产生厚度小于约3微米的中间薄片， 有机介质的主要部分和来自中间体薄片的有机表面活性剂以产生干燥的中间体薄片，以及流体能量研磨中间薄片以减少干燥的中间体薄片的直径并产生直径不大于约10微米的薄片 直径。
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公开(公告)号：US4847045A
公开(公告)日：1989-07-11
申请号：US161536
申请日：1988-02-29
摘要： A process is disclosed for producing a sheet of tungsten heavy alloy which involves uniformly blending elemental metal powder components of the alloy by forming a slurry of the powder components in a liquid medium, introducing the slurry onto a filter medium and applying vacuum to the bottom of the slurry to form a planar cake of the powder components. The cake is then dried and sintered to a density equal to or greater than about 90% of the theoretical density of the alloy to form the sheet.
摘要翻译： 公开了一种用于生产钨重合金片的方法，该方法涉及通过在液体介质中形成粉末组分的浆料将该合金的元素金属粉末组分均匀地混合，将浆料引入到过滤介质上并将真空施加到 该浆料形成粉末成分的平面饼状物。 然后将滤饼干燥并烧结至等于或大于合金理论密度的约90％的密度以形成片材。
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6.发明授权
公开(公告)号：US4800064A
公开(公告)日：1989-01-24
申请号：US143864
申请日：1988-01-14
摘要： A process is disclosed for producing a sheet of tungsten heavy alloy which involves forming a solution of chemical compounds containing the metal values of the alloy in the correct proportion as in the alloy, crystallizing the compounds from solution and drying the compounds, reducing the compounds to their respective metals wherein each particle is an admixture of the allow components; forming a slurry of the metals and a liquid medium, removing the liquid medium from the metals and forming a planar cake of the metals, drying the cake, and sintering the cake to a density equal to or greater than about 90% of the theoretical density of the alloy to form the sheet.
摘要翻译： 公开了一种用于生产钨重合金片的方法，其涉及如合金中那样以正确的比例形成含有合金金属值的化合物溶液，使化合物从溶液中结晶并干燥化合物，将化合物还原成 其各自的金属，其中每个颗粒是允许组分的混合物; 形成金属和液体介质的浆液，从金属中除去液体介质并形成金属的平面饼状物，干燥滤饼并将饼状物烧结至等于或大于理论密度的约90％的密度 的合金形成片材。
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7.发明授权
公开(公告)号：US4778515A
公开(公告)日：1988-10-18
申请号：US905015
申请日：1986-09-08
IPC分类号： B22F1/00
CPC分类号： B22F1/0048
摘要： A powdered material and a process for producing the material are disclosed. The powdered material consists essentially of iron group based and chromium based spherical particles. The material is essentially free of elliptical shaped material and elongated particles having rounded ends. The material has a particle size of less than about 20 micrometers. The process for making the spherical particles involves mechanically reducing the size of a starting material to produce a finer powder the major portion of which has a particle size of less than about 20 micrometers. The finer powder is entrained in a carrier gas and passed through a high temperature zone at a temperature above the melting point of the powder to melt at least about 50% by weight of the powder and form the spherical particles of the melted portion. The powder is then directly solidified.
摘要翻译： 公开了一种粉末材料及其制造方法。 粉末材料基本上由铁基和铬基球形颗粒组成。 该材料基本上不含椭圆形材料和具有圆形端部的细长颗粒。 该材料具有小于约20微米的粒度。 制造球形颗粒的方法包括机械地减小起始材料的尺寸以产生更细的粉末，其主要部分具有小于约20微米的粒度。 更细的粉末被夹带在载气中，并在高于粉末的熔点的温度下通过高温区域，以熔化至少约50重量％的粉末并形成熔融部分的球形颗粒。 然后将粉末直接固化。
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公开(公告)号：US4943322A
公开(公告)日：1990-07-24
申请号：US121421
申请日：1987-11-16
IPC分类号： B22F1/00
CPC分类号： B22F1/0048
摘要： A powdered material and a process for producing the material are disclosed. The powdered material consists essentially of titanium based spherical particles which are essentially free of elliptical shaped material and elongated particles having rounded ends. The material has a particle size of less than about 50 micrometers. The process for making the spherical particles involves mechanically reducing the size of a starting material to produce a finer powder which is then entrained in a carrier gas and passed through a high temperature zone above the melting point of the finer powder to melt at least about 50% by weight of the powder and form spherical particles of the melted portion. The powder is then directly solidified.
摘要翻译： 公开了一种粉末材料及其制造方法。 粉末材料基本上由基本上不含椭圆形材料的钛基球形颗粒和具有圆形端部的细长颗粒组成。 该材料具有小于约50微米的粒度。 制造球形颗粒的方法包括机械地减小起始材料的尺寸以产生更细的粉末，然后将其夹带在载气中，并通过高于较细粉末熔点的高温区域熔化至少约50 重量％的粉末，并形成熔融部分的球形颗粒。 然后将粉末直接固化。
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9.发明授权
公开(公告)号：US4923509A
公开(公告)日：1990-05-08
申请号：US121448
申请日：1987-11-16
IPC分类号： B22F1/00
CPC分类号： B22F1/0048
摘要： A powdered material and a process for producing the material are disclosed. The powdered material consists essentially of light metal based spherical particles which are essentially free of elliptical shaped material and elongated particles having rounded ends. The process for making the spherical particles involves mechanically reducing the size of a starting material to produce a finer powder which is then entrained in a carrier gas and passed through a high temperature zone above the melting point of the finer powder to melt at least about 50% by weight of the powder and form spherical particles of the melted portion. The powder is directly solidified.
摘要翻译： 公开了一种粉末材料及其制造方法。 粉末材料基本上由基本上不含椭圆形材料的轻金属基球形颗粒和具有圆形端部的细长颗粒组成。 制造球形颗粒的方法包括机械地减小起始材料的尺寸以产生更细的粉末，然后将其夹带在载气中，并通过高于较细粉末熔点的高温区域熔化至少约50 重量％的粉末，并形成熔融部分的球形颗粒。 粉末直接固化。
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公开(公告)号：US4836850A
公开(公告)日：1989-06-06
申请号：US121449
申请日：1987-11-16
IPC分类号： B22F1/00
CPC分类号： B22F1/0048
摘要： A powdered material and a process for producing the material are disclosed. The powdered material consists essentially of iron group based and chromium based spherical particles. The material is essentially free of elliptical shaped material and elongated particles having rounded ends. The material has a particle size of less than about 20 micrometers. The process for making the spherical particles involves mechanically reducing the size of a starting material to produce a finer powder the major portion of which has a particle size of less than about 20 micrometers. The finer powder is entrained in a carrier gas and passed through a high temperature zone at a temperature above the melting point of the powder to melt at least about 50% by weight of the powder and form the spherical particles of the melted portion. The powder is then directly solidified.
摘要翻译： 公开了一种粉末材料及其制造方法。 粉末材料基本上由铁基和铬基球形颗粒组成。 该材料基本上不含椭圆形材料和具有圆形端部的细长颗粒。 该材料具有小于约20微米的粒度。 制造球形颗粒的方法包括机械地减小起始材料的尺寸以产生更细的粉末，其主要部分具有小于约20微米的粒度。 更细的粉末被夹带在载气中，并在高于粉末的熔点的温度下通过高温区域，以熔化至少约50重量％的粉末并形成熔融部分的球形颗粒。 然后将粉末直接固化。
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