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    • 1. 发明专利
    • Metallic silicon based cementing material, bonded product and its manufacturing method
    • 金属硅基烧结材料,粘结产品及其制造方法
    • JP2007112687A
    • 2007-05-10
    • JP2005308549
    • 2005-10-24
    • Chubu Electric Power Co IncNoritake Co Ltd中部電力株式会社株式会社ノリタケカンパニーリミテド
    • YOKOYAMA MAKIKOANDO TAISUKETAGUCHI HISATOMITSUNODA KOSUKENAGAYA SHIGEOSEO TAKUSHI
    • C04B37/00
    • PROBLEM TO BE SOLVED: To provide a cementing material which can mutually bond silicon-based ceramics with high heat resistance; and also to provide a bonded product of a silicon-based ceramic having high heat resistance and its manufacturing method. SOLUTION: A sealing agent 56 comprises silicon, as a major component, which is a major constituting element of silicon nitride. When the sealing agent 56 is used for mutually bonding a porous cylinder 12 and an end cap 18, both of which comprise boron nitride, the silicon and nitrogen atoms of the interposing sealing agent 56 disperse with each other to form an integrated part of the object. Further, silicon has a high boiling point and cannot be used as a sealing material all alone. However, when silicon is used with germanium which is solid soluble with silicon and has a boiling point lower than that of silicon, the mixed product such as the sealing agent 56 has a boiling point lowered corresponding to the proportion of the constituents of the mixture. Consequently, both parts comprising boron nitride can be highly air-tightly bonded. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供可以将硅基陶瓷相互粘合的高耐热性的固井材料; 并且还提供具有高耐热性的硅基陶瓷的粘结产品及其制造方法。 解决方案:密封剂56包括作为主要组分的硅,其是氮化硅的主要组成元素。 当密封剂56用于相互粘合多孔圆筒12和端盖18(两者都包括氮化硼)时,中间密封剂56的硅和氮原子彼此分散以形成物体的一体化部分 。 此外,硅具有高沸点,并且不能单独用作密封材料。 然而,当硅与硅固溶并且沸点低于硅的锗一起使用时,诸如密封剂56的混合产物的沸点相应于混合物组分的比例降低。 因此,包含氮化硼的两部分可以高度气密地结合。 版权所有(C)2007,JPO&INPIT
    • 2. 发明专利
    • Membrane reactor
    • 膜反应器
    • JP2005199211A
    • 2005-07-28
    • JP2004009799
    • 2004-01-16
    • Chubu Electric Power Co IncNoritake Co Ltd中部電力株式会社株式会社ノリタケカンパニーリミテド
    • ANDO TAISUKENAGAYA SHIGEOFURUMURA SEIJIWATANABE AKIZO
    • C01B3/38B01J19/24
    • PROBLEM TO BE SOLVED: To provide a membrane reactor in which a porous ceramic membrane is used as a separation membrane, the loss of a raw material is restrained, and consequently, the yield of a product is made high.
      SOLUTION: A permeability-controlled portion 52 the gas permeability of which is made lower than that of an ordinary portion 54 on the downstream side by thickening the separation membrane 48 is arranged on the upstream side so that a gas in a first gas passage 42 is restrained from flowing out to a second gas passage 40 on the upstream side where the concentration of a generated gas is comparatively low and the gas in the first gas passage 42 flows out easily to the second gas passage 40 on the downstream side where the concentration of the generated gas becomes higher since the gas permeability on the downstream side is higher than that on the upstream side. As a result, the generated gas can be recovered satisfactorily on the downstream side and the loss of the gaseous raw material can be restrained since the gaseous raw material permeates through the separation membrane on the upstream side so that hydrogen gas can be obtained in high yield.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供使用多孔陶瓷膜作为分离膜的膜反应器,可以抑制原料的损失,从而使产品的收率高。 解决方案:通过使分离膜48变厚,使其透气度比下游侧的普通部分54低的渗透率控制部分52设置在上游侧,使得第一气体中的气体 通道42被阻止流出到产生气体的浓度相对较低的上游侧的第二气体通道40,并且第一气体通道42中的气体容易地流出到下游侧的第二气体通道40, 由于下游侧的气体渗透性高于上游侧的气体渗透性,所以产生的气体的浓度变高。 结果,能够在下游侧令人满意地回收产生的气体,并且由于气态原料渗透到上游侧的分离膜,因此能够抑制气体原料的损失,能够高收率地获得氢气 。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Method for manufacturing non-oxide porous ceramic material
    • 制造非氧化物多孔陶瓷材料的方法
    • JP2007131528A
    • 2007-05-31
    • JP2006347393
    • 2006-12-25
    • Chubu Electric Power Co IncNoritake Co Ltd中部電力株式会社株式会社ノリタケカンパニーリミテド
    • ANDO TAISUKEYAMADA SEIJITAKAHASHI YOSUKETAGUCHI HISATOMINAGAYA SHIGEOFURUMURA SEIJI
    • C04B35/591B01D39/20B01D71/02C04B35/565C04B35/584C04B38/00
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a non-oxide porous ceramic material suitable for being used as a substrate for a ceramic separation membrane or the like at a comparatively low cost. SOLUTION: The method comprises: a process for preparing a shaping material containing a silicon carbide powder and/or a silicon nitride powder, a metallic silicon powder, and an yttrium oxide powder and/or an aluminum oxide powder, where 10-100 pts.mass of the metallic silicon powder to 100 pts.mass of the total of the silicon carbide powder and the silicon nitride powder is added and the yttrium oxide powder and/or the aluminum oxide powder of a quantity corresponding to 2-250 mass% of the content of the metallic silicon powder and not exceeding 20 mass% of the total of the shaping material is added; a process for shaping the shaping material into a specified shape; and a process for reaction-sintering the shaped body comprising the shaping material in a nitriding atmosphere. COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供一种制造适合用作陶瓷分离膜等的基材的非氧化多孔陶瓷材料的方法,成本较低。 解决方案:该方法包括:制备含有碳化硅粉末和/或氮化硅粉末,金属硅粉末和氧化钇粉末和/或氧化铝粉末的成形材料的方法,其中10- 将100质量度的金属硅粉末加入到总共的碳化硅粉末和氮化硅粉末的100个质量份中,加入相当于2-250质量份的氧化钇粉末和/或氧化铝粉末 加入金属硅粉的含量%,不超过成形材料总量的20质量%; 将成形材料成形为规定形状的工序; 以及在氮化气氛中将包含成形材料的成形体反应烧结的方法。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Silicon-based ceramic joining material, joined body and its manufacturing method
    • 硅基陶瓷接合材料,接合体及其制造方法
    • JP2006182597A
    • 2006-07-13
    • JP2004377466
    • 2004-12-27
    • Chubu Electric Power Co IncNoritake Co Ltd中部電力株式会社株式会社ノリタケカンパニーリミテド
    • YOKOYAMA MAKIKOTAGUCHI HISATOMIANDO TAISUKEMIYAJIMA KEITANAGAYA SHIGEOWATANABE AKIZOSEO TAKUSHI
    • C04B37/00
    • PROBLEM TO BE SOLVED: To provide joining materials where silicon-based ceramics can be mutually joined with high heat resistance, a silicon-based ceramic joined body having high heat resistance and its manufacturing method.
      SOLUTION: As the main components of a sealing material 56 are Si and Al which are the main constituent elements of silicon carbide and sintering auxiliary agents, the sealing material 56 intervening between a porous cylinder 12 consisting of silicon carbide and an end cap 18 is unified with a body to be joined by the mutual diffusion of Si, Al and N. Si is difficult to be used independently as the joining material because of its high melting point. When Si is used with Al having lower melting point and making a eutectic with Si, the melting point of the sealing material 56 is lowered corresponding to their mixing rate and then respective members consisting of silicon carbide are joined with high joining strength. As the rate of Si in the sealing material 56 is 90 wt% which is sufficiently high, its melting point is high and almost 1,375°C.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有高耐热性的硅基陶瓷可以相互接合的接合材料,具有高耐热性的硅基陶瓷接合体及其制造方法。 解决方案:由于密封材料56的主要成分是作为碳化硅和烧结辅助剂的主要构成元素的Si和Al,所以密封材料56介于由碳化硅组成的多孔圆筒12和端盖 18与由Si,Al和N的相互扩散连接的主体统一。由于其高熔点,Si难以独立地用作接合材料。 当Si与具有较低熔点的Al并与Si共晶时,密封材料56的熔点相应于其混合速率降低,然后由碳化硅组成的各个部件以高接合强度接合。 由于密封材料56中的Si的比率为足够高的90重量%,所以其熔点高且接近1375℃。 版权所有(C)2006,JPO&NCIPI