公开(公告)号：US20130216768A1

公开(公告)日：2013-08-22

申请号：US13851438

申请日：2013-03-27

Applicant: NGK INSULATORS, LTD.

Inventor： Atsushi KANEDA ,  Takayuki INOUE ,  Tsuyoshi WATANABE

IPC: C04B38/00 ,  B01J32/00 ,  C04B35/565

CPC classification number: C04B38/0006 ,  B01J27/224 ,  B01J32/00 ,  B01J35/04 ,  C04B35/565 ,  C04B35/6263 ,  C04B35/6316 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/3826 ,  C04B2235/383 ,  C04B2235/3834 ,  C04B2235/428 ,  C04B2235/5436 ,  C04B2235/606 ,  C04B2235/722 ,  C04B2235/767 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/96 ,  C04B2235/9607 ,  F01N3/2026 ,  F01N3/2828 ,  Y02T10/26 ,  Y10T428/24149 ,  Y10T428/268 ,  Y10T428/2982 ,  C04B38/0074

Abstract: Provided is a silicon carbide ceramic having a small amount of resistivity change due to temperature change and being capable of generating heat by current application; and containing silicon carbide crystals having 0.1 to 25 mass % of 4H—SiC silicon carbide crystals and 50 to 99.9 mass % of 6H—SiC silicon carbide crystals, preferably having a nitrogen content of 0.01 mass % or less, more preferably containing two or more kinds of silicon carbide particles containing silicon carbide crystals and silicon for binding these silicon carbide particles to each other and having a silicon content of from 10 to 40 mass %.

Abstract translation: 提供了由于温度变化而具有少量电阻率变化并且能够通过电流施加而产生热量的碳化硅陶瓷; 并且含有具有0.1〜25质量％的4H-SiC碳化硅晶体和50〜99.9质量％的6H-SiC碳化硅晶体的碳化硅晶体，优选氮含量为0.01质量％以下，更优选含有2个以上 含有碳化硅晶体的碳化硅颗粒和用于将这些碳化硅颗粒彼此结合并且硅含量为10至40质量％的硅的种类。

公开(公告)号：US20150260066A1

公开(公告)日：2015-09-17

申请号：US14627134

申请日：2015-02-20

Applicant: NGK Insulators, Ltd.

Inventor： Yusuke HOSOI ,  Tsuyoshi WATANABE ,  Takayuki INOUE

IPC: F01N3/022

CPC classification number: F01N3/0222 ,  B01D46/2418 ,  B01D46/2429 ,  B01J35/04 ,  C04B35/195 ,  C04B35/565 ,  C04B38/0006 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2111/32 ,  C04B2235/3418 ,  C04B2235/3826 ,  C04B2235/428 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/6021 ,  F01N3/2026 ,  F01N3/2828 ,  F01N2260/10 ,  F01N2330/06 ,  F01N2330/14 ,  F01N2330/30 ,  Y02T10/26 ,  C04B38/067

Abstract: The honeycomb structure includes a honeycomb structure body and a pair of electrode members disposed on a side surface of the honeycomb structure body, each of the pair of electrode members is shaped in the form of a band extending in a cell extending direction, and in a cross section perpendicular to the extending direction of cells, one electrode member is disposed on a side opposite to the other electrode member via a center of the honeycomb structure body, one or more slits opened in the side surface are formed in the honeycomb structure body, the honeycomb structure body has a charging material charged into the at least one slit, the charging material contains aggregates and a neck material, and a ratio (α2/α1) of a thermal expansion coefficient α2 of the charging material to a thermal expansion coefficient α1 of the honeycomb structure body is from 0.6 to 1.5.

Abstract translation: 蜂窝结构体包括蜂窝结构体和布置在蜂窝结构体的侧表面上的一对电极构件，所述一对电极构件中的每一个成形为沿单元延伸方向延伸的带状，并且在 横截面垂直于单元的延伸方向，一个电极构件经由蜂窝结构体的中心设置在与另一个电极构件相对的一侧上，在蜂窝结构体中形成有在侧面开口的一个或多个狭缝， 所述蜂窝结构体具有填充在所述至少一个狭缝中的充电材料，所述充电材料包含聚集体和颈部材料，并且所述充电材料的热膨胀系数α2与热膨胀系数α1的比率（α2/α1） 的蜂窝结构体为0.6〜1.5。

公开(公告)号：US20130207322A1

公开(公告)日：2013-08-15

申请号：US13852022

申请日：2013-03-28

Applicant: NGK INSULATORS, LTD.

Inventor： Atsushi KANEDA ,  Takayuki INOUE ,  Tsuyoshi WATANABE

IPC: C04B35/573

CPC classification number: C04B35/573 ,  B01D2255/9155 ,  B01J35/04 ,  C04B35/565 ,  C04B38/0006 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/3826 ,  C04B2235/3834 ,  C04B2235/428 ,  C04B2235/5436 ,  C04B2235/80 ,  C04B2235/9607 ,  C04B38/0074

Abstract: Provided is a method for producing a silicon carbide ceramic easily and simply producing a silicon carbide ceramic having a small amount in resistivity change due to temperature change and being capable of generating heat by current application; and having a forming raw material preparing step of mixing two or more kinds of silicon carbide ceramic powders containing 4H—SiC silicon carbide crystals at respectively different content ratio to prepare a forming raw material; a forming step of forming the forming raw material into a formed body; and a firing step of firing the formed body to produce a silicon carbide ceramic being adjusted at a content ratio of 4H—SiC silicon carbide crystal to a desired value.

Abstract translation: 本发明提供一种碳化硅陶瓷的制造方法，其容易地简单地制造由于温度变化而导致的电阻率变化少的碳化硅陶瓷，能够通过电流施加而产生热量; 并且具有如下成型原料准备工序：将含有4H-SiC碳化硅晶体的两种以上的碳化硅陶瓷粉末分别以不同的含量比混合，制备成形原料; 将成形原料形成成形体的成形工序; 以及焙烧步骤，对所形成的本体进行焙烧以制备以4H-SiC碳化硅晶体的含量比调整到期望值的碳化硅陶瓷。

公开(公告)号：US20140070466A1

公开(公告)日：2014-03-13

申请号：US14018710

申请日：2013-09-05

Applicant: NGK INSULATORS, LTD.

Inventor： Yusuke HOSOI ,  Takashi NORO ,  Tsuyoshi WATANABE

IPC: B29D99/00

CPC classification number: B29D99/0089 ,  B01J35/04 ,  C04B35/565 ,  C04B35/6263 ,  C04B35/6316 ,  C04B35/632 ,  C04B35/6365 ,  C04B35/638 ,  C04B41/009 ,  C04B41/5059 ,  C04B41/52 ,  C04B41/87 ,  C04B2111/0081 ,  C04B2235/3213 ,  C04B2235/3826 ,  C04B2235/428 ,  C04B2235/44 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5472 ,  C04B2235/6021 ,  C04B2235/606 ,  C04B38/0006 ,  C04B41/4539 ,  C04B41/4578

Abstract: There is disclosed a manufacturing method of a honeycomb structure including a formed honeycomb body preparing step of extruding a forming raw material containing a ceramic raw material and an organic binder, to prepare a formed honeycomb body having partition walls with which a plurality of cells are formed to define through channels of a fluid, and an outer peripheral wall; a dried honeycomb body preparing step of drying the formed honeycomb body; a honeycomb body with unfired electrodes preparing step of applying an electrode forming slurry containing a ceramic raw material and water to a side surface of the dried honeycomb body, and then maintaining the honeycomb body in a temperature range of 0 to 80° C. for three seconds to 48 hours to form the unfired electrodes; and a honeycomb structure preparing step of drying and firing the honeycomb body with the unfired electrodes.

Abstract translation: 公开了一种蜂窝结构体的制造方法，该蜂窝结构体包括：成形蜂窝体制备步骤，挤出含有陶瓷原料和有机粘合剂的成形原料，制备具有分隔壁的成形蜂窝体，多个单元被形成 以通过流体的通道和外周壁来限定; 干燥所形成的蜂窝体的干燥蜂窝体制备步骤; 具有未烧结电极的蜂窝体制备步骤，将含有陶瓷原料和水的电极形成浆料涂布到干燥的蜂窝体的侧面，然后将蜂窝体保持在0〜80℃的温度范围内，进行三次 秒到48小时形成未烧的电极; 以及蜂窝结构体制备步骤，用未烧结的电极干燥和焙烧蜂窝体。

公开(公告)号：US20130277360A1

公开(公告)日：2013-10-24

申请号：US13922809

申请日：2013-06-20

Applicant: NGK INSULATORS, LTD.

Inventor： Takashi NORO ,  Kazumi NAGAREDA ,  Tsuyoshi WATANABE ,  Shuhei KUNO ,  Tadato ITO

IPC: H05B3/06

CPC classification number: H05B3/06 ,  B01D53/94 ,  B01D2255/9155 ,  B01J35/04 ,  F01N3/2026 ,  F01N3/2828 ,  H05B3/141 ,  H05B3/42 ,  H05B2203/024 ,  Y02T10/26

Abstract: There is disclosed a honeycomb structure including a tubular honeycomb structure part having porous partition walls with which a plurality of cells are formed and an outer peripheral wall, and a pair of electrode parts arranged on a side surface of the honeycomb structure part, an electrical resistivity of the honeycomb structure part is from 10 to 200 Ωcm, each of the pair of electrode parts is formed into a band-like shape extending in a direction in which the cells extend, in a cross section perpendicular to the extending direction of the cells, the one electrode part is disposed opposite to the other electrode part via the center of the honeycomb structure part, and the electrode part has portions having a thickness of 0 to 70% of the maximum thickness of the electrode part.

Abstract translation: 公开了一种蜂窝结构体，其包括具有多孔分隔壁的管状蜂窝结构部分，多个隔壁形成有多个单元，外周壁和布置在蜂窝结构部分的侧表面上的一对电极部分，电阻率 所述蜂窝结构部分的厚度为10〜200Ω·cm，所述一对电极部分形成为在与所述电池的延伸方向垂直的截面中沿所述电池单元延伸的方向延伸的带状， 一个电极部分经由蜂窝结构部分的中心与另一个电极部分相对设置，电极部分具有厚度为电极部分最大厚度的0-70％的部分。

公开(公告)号：US20130270258A1

公开(公告)日：2013-10-17

申请号：US13912238

申请日：2013-06-07

Applicant: NGK INSULATORS, LTD.

Inventor： Yoshimasa KONDO ,  Tsuyoshi WATANABE ,  Yusuke HOSOI ,  Atsushi KANEDA ,  Kazumi NAGAREDA

IPC: B01J35/04 ,  H05B3/42

CPC classification number: B01J35/04 ,  B01D46/2429 ,  B01D46/2448 ,  B01D53/94 ,  B01D2046/2433 ,  B01D2255/9155 ,  F01N3/2026 ,  F01N3/2828 ,  F01N2240/16 ,  F01N2260/10 ,  F01N2330/30 ,  H05B3/42 ,  H05B2203/024 ,  Y02T10/26 ,  Y10T428/24149

Abstract: A honeycomb structure including a tubular honeycomb structure portion having: porous partition walls with which a plurality of cells extending from one end surface to the other end surface are formed to partition through channels of a fluid; and an outer peripheral wall positioned on an outermost periphery, an electrical resistivity of the partition walls is from 1 to 200 Ωcm, at least a part of the outer peripheral wall is formed by a low Young's modulus portion configured to have a Young's modulus lower than that of the partition walls, and a ratio of the Young's modulus of the low Young's modulus portion to the Young's modulus of the partition walls is from 2 to 95%. Provided is a honeycomb structure which is a catalyst carrier and also functions as a heater when a voltage is applied thereto and which has an excellent heat shock resistance.

Abstract translation: 一种蜂窝结构体，其特征在于，具有：管状蜂窝结构部，其具有多孔分隔壁，多个分隔壁从一端面延伸至另一端面，多个隔壁通过流体通道分隔; 以及位于最外周的外周壁，隔壁的电阻率为1〜200Ω·cm，外周壁的至少一部分由低杨氏模量部分形成，杨氏模量部分的杨氏模量低于 分隔壁的杨氏模量与杨氏模量的杨氏模量的比率为2〜95％。 提供作为催化剂载体的蜂窝结构体，并且当施加电压并且具有优异的耐热冲击性时也用作加热器。