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1. 发明授权

US5968426A Method of producing porous silicon nitride ceramics having high strength and low thermal conductivity 失效
标题翻译：制造高强度，低导热性的多孔氮化硅陶瓷的制造方法
公开(公告)号：US5968426A
公开(公告)日：1999-10-19
申请号：US787019
申请日：1997-01-29
申请人： Kiyoshi Hirao , Manuel E. Brito , Motohiro Toriyama , Syuzo Kanzaki , Hisayuki Imamura , Takene Hirai , Yasuhiro Shigegaki
发明人： Kiyoshi Hirao , Manuel E. Brito , Motohiro Toriyama , Syuzo Kanzaki , Hisayuki Imamura , Takene Hirai , Yasuhiro Shigegaki
IPC分类号： F02B39/00 , C04B35/626 , C04B38/00 , C04B34/584
CPC分类号： C04B38/00
摘要： The present invention relates to a method for producing a porous silicon nitride sintered body having high strength and low thermal conductivity, which comprises of adding more than 10 volume % of rodlike beta-silicon nitride single crystals with a larger mean diameter than that of a silicon nitride raw powder into a mixture comprising the silicon nitride raw powder and a sintering additive, preparing a formed body with rodlike beta-silicon nitride single crystals oriented parallel to the casting plane according to a forming technique such as sheet casting and extrusion forming, sintering said formed body to develop elongated silicon nitride grains from the added rodlike beta-silicon nitride single crystals as nuclei and obtain the sintered body with the elongated grains being dispersed in a complicated state.
摘要翻译：本发明涉及一种具有高强度和低导热性的多孔氮化硅烧结体的制造方法，该方法包括加入大于10体积％的具有比硅的更大的平均直径的棒状β-氮化硅单晶氮化物原料粉末混合成包含氮化硅原料粉末和烧结添加剂的混合物，根据成型技术如片材流延和挤出成型制备具有平行于铸造平面取向的棒状β-氮化硅单晶的成形体，烧结所述从加成的棒状β-氮化硅单晶作为核形成长长的氮化硅晶粒，并获得具有细长晶粒的复合状态的烧结体。

2. 发明授权

US5935888A Porous silicon nitride with rodlike grains oriented 失效
标题翻译：多孔氮化硅，棒状晶粒取向
公开(公告)号：US5935888A
公开(公告)日：1999-08-10
申请号：US848224
申请日：1997-04-29
申请人： Motohiro Toriyama , Kiyoshi Hirao , Manuel E. Brito , Syuzo Kanzaki , Yasuhiro Shigegaki
发明人： Motohiro Toriyama , Kiyoshi Hirao , Manuel E. Brito , Syuzo Kanzaki , Yasuhiro Shigegaki
IPC分类号： B28B3/02 , C04B30/02 , C04B35/622 , C04B35/626 , C04B35/64 , C04B38/00 , C04B35/584
CPC分类号： C04B38/00 , C04B30/02 , C04B38/0051
摘要： An object of the present invention is to provide a high-porosity, high-strength porous silicon nitride having great tolerance with respect to strain and stress, and a method for producing the same, and the present invention relates to a high-porosity, high-strength porous silicon nitride having great tolerance with respect to strain and stress, characterized in that rodlike grains of silicon nitride with a minor diameter of 0.5 to 10 .mu.m and an aspect ratio of 10 to 100 are oriented in a single direction, and the rest of the structure other than the rodlike grains consists solely of pores with a porosity of 5 to 30%, and further the above-mentioned porous silicon nitride is produced by mixing rodlike particles of silicon nitride with a minor diameter of 0.5 to 10 .mu.m and an aspect ratio of 10 to 100 as the silicon nitride with an auxiliary that serves to bind the rodlike particles, forming a tape in which the silicon nitride rodlike particles are oriented in a single direction by sheet forming, extrusion forming, or another such forming process, and sintering this product in a nitrogen atmosphere after lamination and degreasing of it.
摘要翻译：本发明的目的是提供一种相对于应变和应力具有很大公差的高孔隙率高强度多孔氮化硅及其制造方法，本发明涉及高孔隙率，高 - 相对于应变和应力具有很大公差的强度多孔氮化硅，其特征在于，小直径为0.5至10μm，长宽比为10至100的氮化硅棒状晶粒沿单一方向取向，并且杆状颗粒以外的结构的其余部分仅由孔隙率为5〜30％的孔组成，进一步通过将氮化硅的棒状颗粒与0.5〜10μm的小直径混合而制成上述多孔氮化硅长宽比为10〜100，作为氮化硅与辅助材料，用于粘合棒状颗粒，形成其中氮化硅棒状颗粒沿着单一方向取向的带等等，形成，挤出成型或另一种这样的成型方法，并在层压和脱脂之后在氮气气氛中烧结该产品。

3. 发明授权

US5866245A Silicon nitride ceramics having a high reliability and a method for production thereof 失效
标题翻译：具有高可靠性的氮化硅陶瓷及其制造方法
公开(公告)号：US5866245A
公开(公告)日：1999-02-02
申请号：US773004
申请日：1996-12-23
申请人： Motohiro Toriyama , Kiyoshi Hirao , Manuel E. Brito , Syuzo Kanzaki , Yasuhiro Shigegaki
发明人： Motohiro Toriyama , Kiyoshi Hirao , Manuel E. Brito , Syuzo Kanzaki , Yasuhiro Shigegaki
IPC分类号： B32B5/10 , B32B5/14 , B32B18/00 , C04B35/584 , C04B35/593 , C04B35/622 , C04B35/58
CPC分类号： C04B35/593 , B32B18/00 , C04B35/5935 , C04B35/645 , C04B35/6455 , C04B2235/658 , C04B2237/368 , C04B2237/38 , C04B2237/525 , C04B2237/586 , C04B2237/704 , Y10T428/24942 , Y10T428/24975 , Y10T428/249967 , Y10T428/249969 , Y10T428/249981 , Y10T428/249987 , Y10T428/249988 , Y10T428/249991
摘要： The present invention relates to a silicon nitride sintered body having a remarkably increased strain-to-fracture, a low elasticity and high strength, characterized by consisting of a layered structure of alternating porous silicon nitride layers 1 to 1000 .mu.m thick with a porosity of 5 to 70 volume % and dense silicon nitride layers 1 to 1000 .mu.m thick with a porosity of less than 5 volume %, being layered as materials with optional tiers. In addition, this invention relates to a method for producing the silicon nitride sintered body as described above, which comprises of forming dense layers and porous layers by sheet casting or extrusion forming so as to prepare the layers to be capable of 1 to 1000 .mu.m thick after sintering, stacking them to obtain layered materials with optional tiers and sintering them at 1600.degree. to 2100 .degree. C. under a nitrogen atmosphere.
摘要翻译：本发明涉及一种具有显着增加的应变 - 断裂，低弹性和高强度的氮化硅烧结体，其特征在于，由层叠结构的层叠结构构成，所述交替多孔氮化硅层的厚度为1-1000μm，孔隙率为 5至70体积％，并且具有小于5体积％的孔隙率为1至1000μm厚的致密氮化硅层，被层叠为具有任选层的材料。另外，本发明涉及一种如上所述的氮化硅烧结体的制造方法，其特征在于，通过片状铸造或挤压成形来形成致密层和多孔层，以制备能够达到1〜1000μm的层烧结后将其堆叠，得到可选层的层状材料，并在氮气氛下在1600〜2100℃烧结。

4. 发明授权

US5902542A Method of producing silicon nitride ceramics having thermal high conductivity 失效
标题翻译：具有导热性高的氮化硅陶瓷的制造方法
公开(公告)号：US5902542A
公开(公告)日：1999-05-11
申请号：US766317
申请日：1996-12-13
申请人： Kiyoshi Hirao , Koji Watari , Motohiro Toriyama , Syuzo Kanzaki , Masaaki Obata
发明人： Kiyoshi Hirao , Koji Watari , Motohiro Toriyama , Syuzo Kanzaki , Masaaki Obata
IPC分类号： C04B35/584 , C04B35/593 , C04B35/638 , C04B35/64 , C04B35/645
CPC分类号： C04B35/5935
摘要： The present invention provides silicon nitride ceramics having high thermal conductivity and a method for production thereof. This invention relates to a method for producing a silicon nitride sintered body having a microstructure with silicon nitride crystals oriented uniaxially and exhibiting high thermal conductivity of 100 to 150 W/mK in the direction parallel to the orientation direction of the crystals, which comprises of preparing a slurry by mixing a mixed powder of a sintering auxiliary, beta-silicon nitride single crystals as seed crystals and a silicon nitride raw powder with a dispersing medium, forming the slurry by tape casting or extrusion forming, calcining the formed silicon nitride body with beta-silicon nitride single crystals oriented parallel to the casting plane to remove the organic components, densifying it by hot pressing and the like if required, and further annealing it at 1700 to 2000.degree. C. under the nitrogen pressure of 1 to 100 atmospheres.
摘要翻译：本发明提供了具有高导热性的氮化硅陶瓷及其制造方法。本发明涉及一种具有氮化硅结构的氮化硅烧结体的制造方法，该氮化硅烧结体具有在与晶体取向方向平行的方向上单轴取向并具有100〜150W / mK的高导热率的微结构，通过将烧结助剂，β-氮化硅单晶的混合粉末作为晶种和氮化硅原料粉末与分散介质混合来形成浆料，通过带状流延或挤出成型形成浆料，用β - 氮化硅单晶，其平行于铸造平面取向以去除有机组分，如果需要，通过热压等来致密化，并且在1〜100个大气压的氮气压力下，在1700〜2000℃进一步退火。

5. 发明授权

US5837633A Method for production of aluminum nitride sintered body and aluminum nitride powder 失效
标题翻译：生产氮化铝烧结体和氮化铝粉末的方法
公开(公告)号：US5837633A
公开(公告)日：1998-11-17
申请号：US741218
申请日：1996-10-29
申请人： Motohiro Toriyama , Kiyoshi Hirao , Masayoshi Ohashi , Syuzo Kanzaki , Masaaki Obata
发明人： Motohiro Toriyama , Kiyoshi Hirao , Masayoshi Ohashi , Syuzo Kanzaki , Masaaki Obata
IPC分类号： C04B35/64 , C01B21/06 , C01B21/072 , C04B35/581 , C04B35/645 , C04B35/65
CPC分类号： C04B35/581 , C01B21/0602 , C01B21/0722 , C04B35/65 , C01P2002/54 , C01P2004/03 , C01P2004/20
摘要： The present invention provides a method for producing an aluminum nitride sintered body having excellent characteristics and an aluminum nitride powder conveniently and inexpensively. The present invention relates to a method for production of an aluminum nitride sintered body comprising forming a metal aluminum power into a thin-plate like shape, heating the formed body to a temperature not exceeding the melting point of aluminum in a vacuum atmosphere, and then sintering it under N.sub.2 pressure (1-150 kg/cm.sup.2), and a method for production of an aluminum nitride powder comprising heating a metal aluminum powder to a temperature not exceeding the melting point of aluminum in a vacuum atmosphere, sintering it under N.sub.2 pressure (1-150 kg/cm.sup.2, and further cooling and pulverizing it.
摘要翻译：本发明提供一种方便且廉价地制造具有优异特性的氮化铝烧结体和氮化铝粉末的方法。本发明涉及一种氮化铝烧结体的制造方法，其特征在于，将金属铝电力形成为薄板状，在真空气氛中将成形体加热至不超过铝的熔点，然后在氮气压力（1-150kg / cm2）下烧结，以及一种生产氮化铝粉末的方法，包括在真空气氛中将金属铝粉末加热至不超过铝熔点的温度，在氮气压力下烧结（1-150kg / cm2，进一步冷却粉碎。

6. 发明授权

US06194336B1 Highly toughened alumina sintered bodies and their manufacturing process 失效
标题翻译：高韧性氧化铝烧结体及其制造工艺
公开(公告)号：US06194336B1
公开(公告)日：2001-02-27
申请号：US09095156
申请日：1998-06-10
申请人： Yu-ichi Yoshizawa , Motohiro Toriyama , Syuzo Kanzaki
发明人： Yu-ichi Yoshizawa , Motohiro Toriyama , Syuzo Kanzaki
IPC分类号： C04B3510
CPC分类号： C04B35/645 , B82Y30/00 , C04B35/111 , C04B35/117 , C04B35/62204 , C04B35/6261 , C04B2235/3218 , C04B2235/5445 , C04B2235/5454 , C04B2235/72 , C04B2235/77 , C04B2235/786 , C04B2235/788 , C04B2235/96
摘要： This invention relates to highly toughened alumina sintered bodies, and the highly toughened alumina sintered bodies are fabricated by sintering an &agr;-aluminum oxide powder which is obtained by employing an aluminum hydroxide produced by the Bayer's process as a starting material, and calcining at 900-1200° C. a mixture obtained by adding abrasion powder worn from pulverizing alumina balls or another product to the material, in an amount of 0.01-20 mass % as seed crystals for &agr;-aluminum oxide.
摘要翻译：本发明涉及高度增韧的氧化铝烧结体，高强度氧化铝烧结体是通过烧结通过使用通过拜耳法制造的氢氧化铝作为原料而获得的α-氧化铝粉末， 1200℃，通过将粉碎氧化铝球或其它产品的磨损粉末以0.01-20质量％的量添加到所述材料中而获得的混合物作为α-氧化铝晶种。

7. 发明授权

US5985802A High-performance lubricant oil 失效
标题翻译：高性能润滑油
公开(公告)号：US5985802A
公开(公告)日：1999-11-16
申请号：US89321
申请日：1998-06-02
申请人： Koji Watari , Hae Jin Hwang , Motohiro Toriyama , Akira Osuka , Osamu Yamamoto
发明人： Koji Watari , Hae Jin Hwang , Motohiro Toriyama , Akira Osuka , Osamu Yamamoto
IPC分类号： B23Q11/10 , C09K3/14 , C10M103/00 , C10M125/20 , C10M173/00 , C10N20/06 , C10N30/04 , C10N40/22 , C10N50/04 , C10M125/26
CPC分类号： C10M173/00 , C10M125/20 , C10M2201/00 , C10M2201/02 , C10M2201/061 , C10M2201/082 , C10M2201/083 , C10M2201/16 , C10M2201/18 , C10N2240/401 , C10N2250/02
摘要： An inexpensive high-performance cutting or grinding oil capable of significantly improving the cutting efficiency. Into a liquid component of the cutting or grinding oil are dispersed fine powders of boron nitride of hexagonal system and/or crystal line turbostratic structure, particularly crystalline turbostratic structure, having a mean particle size of primary particles not larger than 1 .mu.m.
摘要翻译：一种廉价的高性能切割或研磨油，能够显着提高切割效率。将切割或研磨油的液体成分分散为具有不大于1μm的一次粒子的平均粒径的六方晶系的氮化硼和/或晶体管涡旋结构的细粉末，特别是结晶的多孔结构。

8. 发明授权

US4988362A Composition for coating bioceramics, method for coating bioceramics therewith, and composite bioceramics produced therewith 失效
标题翻译：用于涂覆生物陶瓷的组合物，用于涂覆生物陶瓷的方法，以及由其制备的复合生物陶瓷
公开(公告)号：US4988362A
公开(公告)日：1991-01-29
申请号：US319757
申请日：1989-03-07
申请人： Motohiro Toriyama , Sukezo Kawamura
发明人： Motohiro Toriyama , Sukezo Kawamura
IPC分类号： A61L27/00 , A61F2/00 , A61L27/12 , A61L27/32 , C12P7/08
CPC分类号： A61L27/12 , A61L27/32 , A61F2310/00293 , A61F2310/00796 , Y10S623/92
摘要： A composition produced as a result of mixing alumina, silica, and a calcium phosphate compound in a specific ratio exhibits high affinity for bioceramics. When a bioceramic is coated with this composition and the coated bioceramic is heated, the composite is fused fast with the bioceramic to produce a composition bioceramic which is active to vital tissues.
摘要翻译：通过以特定比例混合氧化铝，二氧化硅和磷酸钙化合物而生产的组合物对生物陶瓷具有高亲和力。当用该组合物涂覆生物陶瓷并且涂覆的生物陶瓷被加热时，复合材料与生物陶瓷快速熔合以产生对生物组织有活性的组合物生物陶瓷。

9. 发明授权

US4772573A High-strength sintered article of calcium phosphate compound, raw material for production of said sintered article, and method for production of said sintered article 失效
标题翻译：磷酸钙复合物的高强度烧结体，所述烧结体的制造原料，以及所述烧结体的制造方法
公开(公告)号：US4772573A
公开(公告)日：1988-09-20
申请号：US69
申请日：1987-01-02
申请人： Motohiro Toriyama , Sukezo Kawamura
发明人： Motohiro Toriyama , Sukezo Kawamura
IPC分类号： A61F2/00 , A61L27/12 , C04B35/447 , C04B35/02
CPC分类号： A61L27/12 , A61K6/0044 , A61K6/0215 , A61K6/033 , C04B35/447 , A61F2310/00293
摘要： Sintered article suitable for artificial bones, for example, containing a calcium phosphate compound as a main component and additionally containing spinel or magnesium oxide formed by sintering magnesium oxalate dihydrate. This sintered article is produced by adding alumina and silica or magnesium oxalate dihydrate to a calcium phosphate compound and firing the resultant mixture.
摘要翻译：适用于人造骨的烧结制品，例如含有磷酸钙化合物作为主要成分，另外含有通过烧结草酸二水合物形成的尖晶石或氧化镁。该烧结制品通过向磷酸钙化合物中加入氧化铝和二氧化硅或草酸镁二水合物并焙烧所得混合物来制备。

10. 发明授权

US4717556A Method for producing of .beta.-tricalcium phosphate 失效
标题翻译： β-磷酸三钙的生产方法
公开(公告)号：US4717556A
公开(公告)日：1988-01-05
申请号：US916746
申请日：1986-10-08
申请人： Sukezo Kawamura , Motohiro Toriyama
发明人： Sukezo Kawamura , Motohiro Toriyama
IPC分类号： C01B25/32 , C01B15/16
CPC分类号： C01B25/327
摘要： A microfine .beta.-tricalcium phosphate powder is produced by mixing hydrogen calcium phosphate powder, calcium carbonate powder, and water in amounts calculated to give a slurry having a solids concentration in the range of 5 to 15% by weight and a CA:P atomic ratio in the range of 1:1.4.about.1.6 and subjecting the slurry to attrition.
摘要翻译：通过混合磷酸氢钙粉末，碳酸钙粉末和水来制备微细β-磷酸三钙粉末，其量为计算得到固体浓度在5至15重量％范围内的浆料和CA:P原子比在1：1.4差异1.6的范围内，并使浆料磨损。

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