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    • 2. 发明申请
    • OXYGEN-PERMEABLE MEMBRANE AND METHOD FOR THE PRODUCTION THEREOF
    • 氧渗透膜及其生产方法
    • US20110020192A1
    • 2011-01-27
    • US12736015
    • 2009-02-21
    • Stefan BaumannJose Manuel Serra AlfaroWilhelm Albert MeulenbergHans-Peter BuchkremerDetlev Stoever
    • Stefan BaumannJose Manuel Serra AlfaroWilhelm Albert MeulenbergHans-Peter BuchkremerDetlev Stoever
    • B01J35/02B01D53/22B01D71/02B05D5/00
    • B01D71/024B01D53/228B01D67/0048B01D67/0072B01D69/10B01D69/12B01D69/141B01D2323/46B01D2325/02B01D2325/04B01D2325/10B01D2325/24C01B13/0255
    • The invention relates to a composite membrane for selective gas separation, comprising a layer system having a through-and-through porous, mechanically stable carrier layer, which has an average pore size in the μm range, further having at least one through-and-through porous intermediate layer, which is disposed on the carrier layer and has an average pore size in the range between 2 and 200 nm, and further having a gas-tight functional layer, which is disposed on the intermediate layer and is made of mixed-conductive material having a maximum layer thickness of 1 μm. The carrier layer comprises structural ceramics, a metal or a cermet and has a layer thickness of no more than 1 mm. The intermediate layer is present in a total layer thickness of no more than 100 μm and has an average pore size in the range of 10 and 100 nm. The functional layer comprises a perovskite, a fluorite, or a material having a K2NiF4structure, such as La1-xSrxCo1-yFeyO3-δ(LSCF). The layer thickness of the functional layer is no more than 50 nm, particularly between 25 and 400 nm. In order to produce said composite membrane, at least one porous intermediate layer is applied onto a through-and-through porous, mechanically stable carrier layer, which has an average pore size in the μm range, said intermediate layer having an average pore size in the range between 2 and 200 nm. A further gas-tight, functional layer made of a mixed-conductive material and having a maximum layer thickness of 1 μm is applied onto said intermediate layer.
    • 本发明涉及一种用于选择性气体分离的复合膜,包括具有通孔多孔机械稳定载体层的层系统,其具有μm范围内的平均孔径,还具有至少一个通孔, 通过多孔中间层,其设置在载体层上,平均孔径在2〜200nm的范围内,并且还具有气密功能层,其设置在中间层上, 导电材料的最大层厚度为1μm。 载体层包括结构陶瓷,金属或金属陶瓷,层厚度不大于1mm。 中间层的总层厚不超过100μm,平均孔径在10和100nm的范围内。 功能层包括钙钛矿,萤石或具有K2NiF4结构的材料,例如La1-xSrxCo1-yFeyO3-δ(LSCF)。 功能层的层厚不大于50nm,特别是在25和400nm之间。 为了制造所述复合膜,将至少一个多孔中间层施加到通孔多孔的,机械稳定的载体层上,其平均孔径在μm范围内,所述中间层的平均孔径为 范围在2到200 nm之间。 将由混合导电材料制成并且具有最大层厚度为1μm的另外的气密功能层施加到所述中间层上。
    • 4. 发明授权
    • Oxygen-permeable membrane and method for the production thereof
    • 透氧膜及其制造方法
    • US08486184B2
    • 2013-07-16
    • US12736015
    • 2009-02-21
    • Stefan BaumannJose Manuel Serra AlfaroWilhelm Albert MeulenbergHans-Peter BuchkremerDetlev Stoever
    • Stefan BaumannJose Manuel Serra AlfaroWilhelm Albert MeulenbergHans-Peter BuchkremerDetlev Stoever
    • B01D53/22B01D71/02
    • B01D71/024B01D53/228B01D67/0048B01D67/0072B01D69/10B01D69/12B01D69/141B01D2323/46B01D2325/02B01D2325/04B01D2325/10B01D2325/24C01B13/0255
    • A composite membrane for selective gas separation, comprises a layer system having a continuously porous, mechanically stable carrier layer, which has an average pore size in the μm range, further having at least one continuously porous intermediate layer, which is disposed on the carrier layer and has an average pore size in the range of 2 to 200 nm, and further having a gastight functional layer, which is disposed on the intermediate layer and is made of a mixed-conductive material having a maximum layer thickness of 1 μm. The carrier layer comprises a structural ceramic, a metal, or a cermet and has a layer thickness of no more than 1 mm. The intermediate layer is present with a total layer thickness of no more than 100 μm and has an average pore size in the range of 10 to 100 nm. The functional layer comprises a perovskite, a fluorite, or a material having a K2NiF4 structure, such as La1-xSrxCo1-yFeyO3-8 (LSCF). The layer thickness of the functional layer is no more than 50 nm, and particularly between 25 and 400 nm. In order to produce this composite membrane, at least one porous intermediate layer is applied onto a continuously porous, mechanically stable carrier layer, which has an average pore size in the μm range, wherein the intermediate layer has an average pore size in the range of 2 to 200 nm. A further gastight, functional layer made of a mixed-conductive material and having a maximum layer thickness of 1 μm is applied onto the intermediate layer.
    • 一种用于选择性气体分离的复合膜,包括具有连续多孔的,机械稳定的载体层的层系统,其具有在mum范围内的平均孔径,还具有至少一个连续多孔中间层,其设置在载体层 平均孔径在2〜200nm的范围内,进一步具有气密功能层,其设置在中间层上并由最大层厚度为1μm的混合导电材料制成。 载体层包括结构陶瓷,金属或金属陶瓷,并且具有不超过1mm的层厚度。 中间层的总层厚度不超过100μm,平均孔径在10〜100nm的范围内。 功能层包括钙钛矿,萤石或具有K2NiF4结构的材料,例如La1-xSrxCo1-yFeyO3-8(LSCF)。 功能层的层厚不大于50nm,特别是在25和400nm之间。 为了制造这种复合膜,至少一个多孔中间层被施加到连续多孔的,机械稳定的载体层上,该载体层的平均孔径在该范围内,其中中间层的平均孔径在 2〜200nm。 将进一步气密的由混合导电材料制成并具有最大层厚度为1μm的功能层施加到中间层上。
    • 6. 发明申请
    • METHOD FOR PRODUCING SEMI-FINISHED PRODUCTS FROM NITI SHAPE MEMORY ALLOYS
    • 从NITI形状记忆合金生产半成品的方法
    • US20100310407A1
    • 2010-12-09
    • US12733867
    • 2008-08-27
    • Manuel KoehlMartin BramBerthold CoenenHans Peter BuchkremerDetlev Stoever
    • Manuel KoehlMartin BramBerthold CoenenHans Peter BuchkremerDetlev Stoever
    • B22F1/00B22F3/15
    • C22C1/0458A61F2/82B22F2998/10C22C1/0433C22C19/007C22C19/03B22F9/082B22F1/0011B22F3/225B22F3/15
    • Disclosed is a method for producing semi-finished products from a shape memory alloy, particularly an NiTi shape memory alloy, wherein a powder is first produced from a shape memory alloy, and subsequently the powder is divided into a coarse fraction and a fine fraction in a separating cut T. While the fine fraction is required, in particular, for the production of a first semi-finished product, employing the metal injection molding (MIM) method, the coarse fraction can be used for the production of a second semi-finished product, employing the hot isostatic pressing (HIP) method. The advantages of the invention can be summarized as follows. The MIM method for producing semi-finished products from a shape memory alloy is qualitatively improved and more cost-effective to implement if the coarse fraction that is typically obtained during powder production, but not used for the MIM process, can advantageously be supplied to a further process, in this case the HIP process. Due to the use of particularly fine powder, the semi-finished products produced by way of the MIM method have an advantageous, powder-metallurgical microstructure. In particular, the alloying elements are distributed particularly homogeneously in these semi-finished products, casting flaws or segregations do not usually occur, no anisotropy of the structure occurs as a result of the processing steps, and ternary alloys can be processed, which due to the mechanical properties thereof, cannot be processed by way of conventional forming methods.
    • 公开了一种从形状记忆合金,特别是NiTi形状记忆合金制造半成品的方法,其中首先从形状记忆合金制备粉末,随后将粉末分为粗级分和细级分 分离切割T.虽然需要细小部分,特别是为了生产使用金属注模(MIM)方法的第一半成品,粗部分可用于生产第二半成品, 成品,采用热等静压(HIP)法。 本发明的优点可概括如下。 如果通常在粉末生产期间获得但不用于MIM工艺的粗部分可以有利地提供给一种形状记忆合金的用于从形状记忆合金生产半成品的MIM方法可以有效地提供给形成记忆合金的半成品的MIM方法 进一步的过程,在这种情况下是HIP过程。 由于使用特别细的粉末,通过MIM方法生产的半成品具有有利的粉末冶金微结构。 特别地,合金元素特别均匀地分布在这些半成品中,通常不会发生铸造缺陷或偏析,由于加工步骤,不会发生结构的各向异性,并且可以加工三元合金,这是由于 其机械性能不能通过常规成型方法进行加工。
    • 8. 发明授权
    • Method for producing semi-finished products from NiTi shape memory alloys
    • 从NiTi形状记忆合金生产半成品的方法
    • US08916091B2
    • 2014-12-23
    • US12733867
    • 2008-08-27
    • Manuel KoehlMartin BramBerthold CoenenHans Peter BuchkremerDetlev Stoever
    • Manuel KoehlMartin BramBerthold CoenenHans Peter BuchkremerDetlev Stoever
    • B22F3/15
    • C22C1/0458A61F2/82B22F2998/10C22C1/0433C22C19/007C22C19/03B22F9/082B22F1/0011B22F3/225B22F3/15
    • Disclosed is a method for producing semi-finished products from a shape memory alloy, particularly an NiTi shape memory alloy, wherein a powder is first produced from a shape memory alloy, and subsequently the powder is divided into a coarse fraction and a fine fraction in a separating cut T. While the fine fraction is required, in particular, for the production of a first semi-finished product, employing the metal injection molding (MIM) method, the coarse fraction can be used for the production of a second semi-finished product, employing the hot isostatic pressing (HIP) method. The advantages of the invention can be summarized as follows. The MIM method for producing semi-finished products from a shape memory alloy is qualitatively improved and more cost-effective to implement if the coarse fraction that is typically obtained during powder production, but not used for the MIM process, can advantageously be supplied to a further process, in this case the HIP process. Due to the use of particularly fine powder, the semi-finished products produced by way of the MIM method have an advantageous, powder-metallurgical microstructure. In particular, the alloying elements are distributed particularly homogeneously in these semi-finished products, casting flaws or segregations do not usually occur, no anisotropy of the structure occurs as a result of the processing steps, and ternary alloys can be processed, which due to the mechanical properties thereof, cannot be processed by way of conventional forming methods.
    • 公开了一种从形状记忆合金,特别是NiTi形状记忆合金制造半成品的方法,其中首先从形状记忆合金制备粉末,随后将粉末分为粗级分和细级分 分离切割T.虽然需要细小部分,特别是为了生产使用金属注模(MIM)方法的第一半成品,粗部分可用于生产第二半成品, 成品,采用热等静压(HIP)法。 本发明的优点可概括如下。 如果通常在粉末生产期间获得但不用于MIM工艺的粗部分可以有利地提供给一种形状记忆合金的用于从形状记忆合金生产半成品的MIM方法可以有效地提供给形成记忆合金的半成品的MIM方法 进一步的过程,在这种情况下是HIP过程。 由于使用特别细的粉末,通过MIM方法生产的半成品具有有利的粉末冶金微结构。 特别地,合金元素特别均匀地分布在这些半成品中,通常不会发生铸造缺陷或偏析,由于加工步骤,不会发生结构的各向异性,并且可以加工三元合金,这是由于 其机械性能不能通过常规成型方法进行加工。