公开(公告)号：US06555886B1

公开(公告)日：2003-04-29

申请号：US10053606

申请日：2002-01-24

申请人： Chaonan Xu ,  Tadahiko Watanabe ,  Yun Liu ,  Morito Akiyama

发明人： Chaonan Xu ,  Tadahiko Watanabe ,  Yun Liu ,  Morito Akiyama

IPC分类号： H01G406

CPC分类号： H01L41/1876 ,  H01L41/0478 ,  H01L41/081 ,  H01L41/316

摘要： Disclosed is an electronic device having a multilayered structure consisting of (a) a substrate, (b) an electroconductive layer of lanthanum nickel oxide LaNiO3 having a perovskite structure formed on the substrate surface and (c) a dielectric layer of PZT having an oriented perovskite structure formed on the electroconductive layer. The device exhibits excellent piezoelectric effect under mechanical stress and stable hysteresis phenomenon of electric polarization under application of electric fields so that the device is useful as a stress sensor and as a memory device. A method for the preparation of the multilayered device is disclosed.

摘要翻译： 公开了一种具有多层结构的电子器件，其包括（a）衬底，（b）在衬底表面上形成有钙钛矿结构的氧化镧LaNiO 3的导电层，（c）具有定向钙钛矿的PZT的介电层 结构形成在导电层上。 该装置在机械应力下表现出优异的压电效应，并且在施加电场下电极化的稳定滞后现象使得该装置可用作应力传感器和作为存储装置。 公开了一种制备多层器件的方法。

公开(公告)号：US5036028A

公开(公告)日：1991-07-30

申请号：US511816

申请日：1990-04-18

申请人： Tadahiko Watanabe ,  Tsuyoshi Doutsu ,  Kazuhisa Shobu ,  Yukio Kai

发明人： Tadahiko Watanabe ,  Tsuyoshi Doutsu ,  Kazuhisa Shobu ,  Yukio Kai

IPC分类号： C04B35/58

CPC分类号： C04B35/5805 ,  C04B35/58064 ,  C04B35/58071 ,  C04B35/58078 ,  C04B35/645

摘要： A high density metal-boride based ceramic sintered body consists essentially of component (A) at least one of TiB.sub.2, ZrB.sub.2, CrB.sub.2, HfB.sub.2, VB.sub.2, TaB.sub.2, NbB.sub.2, MnB.sub.2, MoB.sub.2, YB.sub.2, AlB.sub.2, MgB.sub.2, CrB, VB, TaB, NbB, MoB, HfB, YB, ZrB, HfB, TiB, MnB, W.sub.2 B.sub.5 and Mo.sub.2 B.sub.5, componet (B) 0.1 wt. %-10 wt. % based on the total amount of a metal binder comprising at least one of cobalt boride, nickel boride and iron boride, and component (C) 0.1 wt. %-10 wt. % based on the total amount of at least one of a double carbide comprising Ti, Zr, W and C, ZrCN, HfCN, or a double carbo-nitride comprising Ti, Zr, Hf and C, N.The sintered body is not easily oxidized and has extremely few pores and high shock resistance even using a fine grain raw material powder because component (C) has an oxygen removing effect during sintering.

摘要翻译： 高密度金属硼化物系陶瓷烧结体主要由TiB 2，ZrB 2，CrB 2，HfB 2，VB 2，TaB 2，NbB 2，MnB 2，MoB 2，YB 2，AlB 2，MgB 2，CrB，VB，TaB ，NbB，MoB，HfB，YB，ZrB，HfB，TiB，MnB，W2B5和Mo2B5，组分（B）0.1wt。 ％-10wt。 基于包含钴硼化物，硼化镍和硼化物中的至少一种的金属粘合剂的总量的％，和组分（C）0.1重量％ ％-10wt。 基于包含Ti，Zr，W和C，ZrCN，HfCN或包含Ti，Zr，Hf和C，N的双碳氮化物中的至少一种的总量的％。烧结体不容易 氧化，并且即使使用细粒原料粉末也具有极少的孔和高抗冲击性，因为组分（C）在烧结期间具有除氧效果。

公开(公告)号：US4259119A

公开(公告)日：1981-03-31

申请号：US89487

申请日：1979-10-30

申请人： Tadahiko Watanabe ,  Hiroki Shimizu

发明人： Tadahiko Watanabe ,  Hiroki Shimizu

IPC分类号： C22C29/12 ,  C04B35/58 ,  C22C29/14

CPC分类号： C04B35/58071 ,  C04B35/5156 ,  C04B35/5805 ,  C04B35/58064 ,  C04B35/58078 ,  C04B35/6303 ,  C04B35/645

摘要： A novel high strength, high heat resistance sintered body suitable for use as refractory and abrasive materials is proposed. The sintered body comprises from 99.99 to 70% by weight of a combination of at least two kinds of metal diborides selected from the group consisting of diborides of Ti, Ta, Cr, Mn, Mo, Y, V, Hf, Nb, Al and Zr and from 0.01 to 30% by weight of a metal boride or borides selected from the group consisting of borides of nickel, iron and cobalt.The sintered body of the invention can be prepared by sintering the powdery mixture of the components at a relatively low temperature of 1800.degree. C. or lower and has a bending strength as high as 190 kg/mm.sup.2 and a Vickers hardness of 3300 kg/mm.sup.2 at room temperature and 2400 kg/mm.sup.2 at 1000.degree. C.

摘要翻译： 提出一种适用于耐火材料和研磨材料的新型高强度，高耐热烧结体。 烧结体包含99.99〜70重量％的选自Ti，Ta，Cr，Mn，Mo，Y，V，Hf，Nb，Al的二硼化物和至少两种金属二硼化物的组合， Zr和0.01-30重量％的选自镍，铁和钴的硼化物的金属硼化物或硼化物。 本发明的烧结体可以通过在1800℃以下的相对较低的温度下烧结组分的粉末状混合物并具有高达190kg / mm 2的弯曲强度和3300kg / mm 2的维氏硬度来制备 在室温下为2400kg / mm 2，在1000℃

公开(公告)号：US4246027A

公开(公告)日：1981-01-20

申请号：US973957

申请日：1979-03-23

申请人： Tadahiko Watanabe ,  Katsushige Nakazono ,  Yunosuke Tokuhiro

发明人： Tadahiko Watanabe ,  Katsushige Nakazono ,  Yunosuke Tokuhiro

IPC分类号： C22C29/14 ,  C22C32/00 ,  C22C29/00 ,  B22F3/14 ,  C22C1/05

CPC分类号： C22C32/0073 ,  C22C29/14

摘要： A novel sintered body suitable for use as a refractory or abrasive materials proposed with high mechanical strengths and hardness even at elevated temperatures. The sintered body of the invention is prepared by subjecting a powder mixture composed of titanium diboride as the base component, a nickel phosphide or nickel-phosphorus alloy and a third component selected from metals of chromium, molybdenum, niobium, tantalum, hafnium, rhenium and aluminum as well as diborides thereof, and the inventive sintered bodies are very advantageous in their industrial production owing to the relatively low sintering temperature of 2000.degree. C. or lower and in their high performance at elevated temperatures to find wide applications in the fields of high-temperature engineering and as a material for the high-speed cutting tools.

摘要翻译： 提出了适用于耐火材料或研磨材料的新型烧结体，即使在高温下也具有高的机械强度和硬度。 本发明的烧结体通过将由二硼化钛组成的粉末混合物作为基体成分，镍磷化合物或镍 - 磷合金和选自铬，钼，铌，钽，铪，铼和铼的金属的第三组分进行制备。 铝及其二硼化物，并且本发明的烧结体由于相对较低的烧结温度为2000℃或更低而在其工业生产中是非常有利的，并且在高温下的高性能以在高的领域广泛应用 作为高速切削刀具的材料。

公开(公告)号：US09353864B2

公开(公告)日：2016-05-31

申请号：US13500223

申请日：2010-10-06

申请人： Yunzhi Gao ,  Junichi Takahashi ,  Gyo Muramatsu ,  Ryo Obara ,  Tetsuji Miyashita ,  Tadahiko Watanabe

发明人： Yunzhi Gao ,  Junichi Takahashi ,  Gyo Muramatsu ,  Ryo Obara ,  Tetsuji Miyashita ,  Tadahiko Watanabe

IPC分类号： F16J9/26 ,  F16J9/20

CPC分类号： F16J9/203

摘要： An oil ring for an internal combustion engine is provided that can prevent adhesion and deposition of oil sludge even during long-time operation of the engine, can thereby prevent the occurrence of sticking of the oil ring components to each other, and can maintain a good oil control function. At least part of the surface of the oil ring for an internal combustion engine is coated with a metal coating having a surface free energy of 40 mJ/m2 or less and a hydrogen bonding strength of 1.0 mJ/m2 or less. A coating of Ni, Cu, or an alloy containing Ni or Cu is used as the metal coating.

摘要翻译： 提供一种用于内燃机的油环，即使在发动机的长时间运转时也能够防止油泥的粘附和沉积，能够防止油环部件彼此粘附的发生，能够保持良好 油控功能。 用于内燃机的油环的表面的至少一部分涂覆有表面自由能为40mJ / m 2以下且氢键强度为1.0mJ / m 2以下的金属涂层。 使用Ni，Cu或含有Ni或Cu的合金的涂层作为金属涂层。

公开(公告)号：US06280655B1

公开(公告)日：2001-08-28

申请号：US09468899

申请日：1999-12-22

申请人： Chaonan Xu ,  Tadahiko Watanabe ,  Morito Akiyama ,  Kazuhiro Nonaka

发明人： Chaonan Xu ,  Tadahiko Watanabe ,  Morito Akiyama ,  Kazuhiro Nonaka

IPC分类号： C09K1100

CPC分类号： C09K11/7721 ,  C09K11/643 ,  C09K11/7734

摘要： Disclosed is a high-efficiency stress-luminescent material capable of emitting luminescence by receiving a mechanical stress such as compression, shearing and rubbing. The stress-luminescent material is an alkaline earth aluminate of a non-stoichiometric composition deficient in the content of the alkaline earth element by 0.01 to 20% by moles from stoichiometry. The efficiency of stress-luminescence emission can be further enhanced when the non-stoichiometric alkaline earth aluminate contains 0.01 to 10% by moles of rare earth metal ions or transition metal ions. The stress-luminescent material is prepared by subjecting a non-stoichiometric composite oxide of aluminum oxide and an alkaline earth oxide to a calcination treatment at 800 to 1700° C. in a reducing atmosphere.

摘要翻译： 本发明公开了一种高效应力发光材料，能够通过承受压缩，剪切和摩擦等机械应力而发光。 应力发光材料是非化学计量组合物的碱土金属铝酸盐，其碱性元素的含量与化学计量相比减少0.01至20摩尔％。 当非化学计量的碱土金属铝酸盐含有0.01〜10摩尔％的稀土金属离子或过渡金属离子时，可以进一步提高应力 - 发光发射的效率。 应力发光材料是通过使氧化铝和碱土金属氧化物的非化学计量复合氧化物在还原气氛中在800〜1700℃进行煅烧处理来制备的。

公开(公告)号：US06159394A

公开(公告)日：2000-12-12

申请号：US245303

申请日：1999-02-05

申请人： Morito Akiyama ,  Chaonan Xu ,  Kazuhiro Nonaka ,  Tadahiko Watanabe

发明人： Morito Akiyama ,  Chaonan Xu ,  Kazuhiro Nonaka ,  Tadahiko Watanabe

IPC分类号： C09K11/08 ,  C09K11/56 ,  C09K11/64 ,  C09K11/65 ,  C09K11/77 ,  C09K11/00 ,  C09K11/55

CPC分类号： C09K11/77 ,  C09K11/562 ,  C09K11/643 ,  C09K11/65 ,  C09K11/7701 ,  C09K11/7706 ,  C09K11/7728 ,  C09K11/7729 ,  C09K11/7734 ,  Y10S252/961

摘要： The present invention provides a new stress emission material that is different from the other known materials and that efficiently emits light when subjected to a mechanical external force such as a frictional force, a shear force, an impact, or a pressure. This stress emission material is configured by adding an emission center comprising one or more rare earths or transition metals that emit light when electrons excited by a mechanical force return to their normal state, to a base material comprising one or more of an oxide, a sulfide, a carbide, and a nitride each having an FeS.sub.2 structure. This material has an emission intensity that depends on stress.

摘要翻译： 本发明提供了与其它已知材料不同的新的应力发射材料，并且当经受诸如摩擦力，剪切力，冲击或压力的机械外力时有效地发光。 这种应力发射材料通过将包括一种或多种稀土或过渡金属的发射中心配置成将包含一种或多种氧化物，硫化物的基体材料发射到基体材料，所述稀土或过渡金属在通过机械力激发的电子返回其正常状态时发光; ，碳化物和各自具有FeS 2结构的氮化物。 该材料具有取决于应力的发射强度。

公开(公告)号：US5294460A

公开(公告)日：1994-03-15

申请号：US961311

申请日：1992-10-15

申请人： Eiji Tani ,  Kazuhisa Shobu ,  Tadahiko Watanabe

发明人： Eiji Tani ,  Kazuhisa Shobu ,  Tadahiko Watanabe

IPC分类号： C04B35/565 ,  C01B31/36 ,  C04B35/52 ,  C04B35/571 ,  C04B35/573 ,  C04B35/80 ,  C04B41/87 ,  C04B41/88 ,  C09K3/14 ,  D01F9/08 ,  D01F9/10 ,  D01F11/12 ,  D01F11/14 ,  D06M11/00 ,  D06M11/73 ,  D06M11/77 ,  D06M101/00 ,  D06M101/40 ,  B05D3/02

CPC分类号： C04B35/806 ,  C04B35/571 ,  C04B35/573 ,  D01F11/126

摘要： A novel method is disclosed for the preparation of a silicon carbide-based composite ceramic body reinforced with carbon fibers having an outstandingly high mechanical strength. The method comprises impregnating carbon fibers with a mixture of fine silicon particles and a thermosetting resin such as a phenolic resin to give a carbon fiber compact body impregnated with the mixture, which is then subjected to a heat treatment at about 1400.degree. C. in an inert atmosphere so that the thermosetting resin is thermally decomposed to produce free carbon capable of reacting with the silicon particles without affecting the carbon fibers embedded in the matrix due to the preferential reactivity of the silicon particles with the free carbon produced from the resin thus not to decrease the recinforcing effect of the carbon fibers.

摘要翻译： 公开了一种用于制备用具有极高机械强度的碳纤维增强的碳化硅基复合陶瓷体的新方法。 该方法包括用细硅颗粒和酚醛树脂等热固性树脂的混合物浸渍碳纤维，得到浸渍有混合物的碳纤维紧凑体，然后在约1400℃下进行热处理 惰性气氛使得热固性树脂被热分解以产生能够与硅颗粒反应的游离碳，而不影响嵌入基质中的碳纤维，这是由于硅颗粒与由树脂产生的游离碳的优先反应性而不是 降低碳纤维的增强效果。

公开(公告)号：US4929417A

公开(公告)日：1990-05-29

申请号：US341461

申请日：1989-04-21

申请人： Tadahiko Watanabe ,  Kazuhisa Shobu ,  Yukio Kai ,  Hideki Yamamoto ,  Eiichi Sudoh ,  Osamu Yagishita ,  Junshiro Hayakawa

发明人： Tadahiko Watanabe ,  Kazuhisa Shobu ,  Yukio Kai ,  Hideki Yamamoto ,  Eiichi Sudoh ,  Osamu Yagishita ,  Junshiro Hayakawa

IPC分类号： C04B35/58

CPC分类号： C04B35/645 ,  C04B35/58071 ,  C04B35/58078

摘要： A powder of at least one of TiB.sub.2, ZrB.sub.2 and HfB.sub.2 is mixed with at least one of Ti, Zr, Hf, TiB, ZrB and HfB, or with at least one of Ti, Zr, Hf, TiB, ZrB and HfB and a powder of boron, to prepare a mixed powder which can form a sintered product having a boron content of 65 to 67 atom %. Alternatively, a powder of at least one of Ti, Zr, Hf, TiB, ZrB and HfB is mixed with a powder of boron to prepare the mixed powder. The mixed powder may further contain up to a maximum of 30% by weight of a powder of AlN. Then, the mixed powder is sintered to make metal diboride ceramics. The lower-melting metal or compound which the mixed powder contains melts to form a liquid phase and enables the manufacture of a sintered product of high density by a customary sintering operation employing a low temperature. The sintered product having a boron content of 65 to 67 atom % consists solely of metal diboride crystals having a structure of the hexagonal system.

摘要翻译： 将TiB2，ZrB2和HfB2中的至少一种的粉末与Ti，Zr，Hf，TiB，ZrB和HfB中的至少一种，或与Ti，Zr，Hf，TiB，ZrB和HfB中的至少一种混合，以及 硼粉末，制成可形成硼含量为65〜67原子％的烧结体的混合粉末。 或者，将Ti，Zr，Hf，TiB，ZrB和HfB中的至少一种的粉末与硼粉末混合以制备混合粉末。 混合粉末还可以含有最多达30重量％的AlN粉末。 然后，将混合粉末烧结成金属二硼化物陶瓷。 混合粉末含有的低熔点金属或化合物熔融形成液相，并且能够通过采用低温的常规烧结操作制造高密度烧结产品。 硼含量为65〜67原子％的烧结体仅由具有六方晶系结构的金属二硼化物晶体构成。

公开(公告)号：US4704372A

公开(公告)日：1987-11-03

申请号：US712184

申请日：1985-03-15

申请人： Tadahiko Watanabe ,  Kazuhisa Shobu

发明人： Tadahiko Watanabe ,  Kazuhisa Shobu

IPC分类号： C04B35/58 ,  C04B35/52

CPC分类号： C04B35/58092 ,  C04B35/58021 ,  C04B35/58071 ,  C04B35/645

摘要： This invention relates to a high-strength molybdenum silicide-based ceramic material and a process for producing such ceramic material. A powder mixture obtained by adding to titanium carbonitride 0-100% by weight of a specific metal boride compound is added to powder of molybdenum silicide used as base component, and the obtained mixed powder composition is sintered. Both strength and density of molybdenum silicide are increased while maintaining its low-temperature sinterability.

摘要翻译： 本发明涉及一种高强度硅化钼系陶瓷材料及其制造方法。 向作为基础成分的硅化钼粉末中添加0-100重量％的特定金属硼化物的碳氮化钛所得的粉末混合物，烧结所得的混合粉末组合物。 钼硅化物的强度和密度均提高同时保持其低温烧结性。