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1. 发明授权

US4226841A Method of producing silicon carbide powder 失效
标题翻译：生产碳化硅粉末的方法
公开(公告)号：US4226841A
公开(公告)日：1980-10-07
申请号：US18264
申请日：1979-03-07
申请人： Katsutoshi Komeya , Hiroshi Inoue , Haruo Kudo , Hiroshi Endo
发明人： Katsutoshi Komeya , Hiroshi Inoue , Haruo Kudo , Hiroshi Endo
IPC分类号： C01B31/36 , C04B35/565
CPC分类号： C04B35/565 , C01B31/36 , C01P2004/03 , C01P2004/52 , C01P2004/61 , C01P2006/80
摘要： A method of producing a silicon carbide powder consisting of fine particles of uniform shape and size, comprising baking at 1,350.degree. to 1,850.degree. C. under a non-oxidizing atmosphere a powdery mixture consisting of 1 part by weight of silica powder or a compound forming silica powder at high temperatures, carbon powder or a compound forming carbon powder at high temperatures, and silicon carbide or a substance forming silicon carbide at high temperatures, the amounts of the silica powder-forming compounds, the carbon powder-forming compounds and the silicon carbide powder-forming substance being determined such that the amounts of the formed powders are equal to those specified above.
摘要翻译：一种由均匀形状和尺寸的细颗粒组成的碳化硅粉末的制造方法，包括在非氧化气氛下在1350℃至1850℃下烘烤的粉末混合物，所述混合物由1重量份的二氧化硅粉末或形成高温下的二氧化硅粉末，碳粉或高温下形成碳粉的化合物，以及碳化硅或高温下形成碳化硅的物质，二氧化硅粉末形成化合物，碳粉末形成化合物和硅的量确定碳化物粉末形成物质使得所形成的粉末的量等于上述规定的量。

2. 发明授权

US4428916A Method of making .alpha.-silicon nitride powder 失效
标题翻译：制造α-氮化硅粉末的方法
公开(公告)号：US4428916A
公开(公告)日：1984-01-31
申请号：US79231
申请日：1979-09-26
申请人： Katsutoshi Komeya , Hiroshi Inoue , Shigeru Matake , Hiroshi Endo
发明人： Katsutoshi Komeya , Hiroshi Inoue , Shigeru Matake , Hiroshi Endo
IPC分类号： C04B35/626 , C01B21/068
CPC分类号： C01B21/0685 , C01P2004/61 , C01P2004/62 , C01P2006/80
摘要： .alpha.-Silicon nitride powder which is used as a raw material for the preparation of high strength silicon nitride with additives such as magnesia and yttrium oxide, and other sintered materials suitable for high temperatures gas turbine engine components and the like, is prepared by heating a powdered mixture of silica, carbon and at least one component selected from the group consisting of silicon nitride, silicon carbide and silicon oxynitride in a nitrogen containing atmosphere and then optionally subjecting the material to a heat treatment in an oxidizing atmosphere for decarbonization of said material as required.
摘要翻译：用作制备高强度氮化硅的原料的α-氮化硅粉末，其中添加剂如氧化镁和氧化钇以及其它适用于高温燃气轮机发动机部件的烧结材料等通过加热二氧化硅，碳和至少一种选自氮化硅，碳化硅和氮氧化硅的组分的粉末混合物在含氮气氛中，然后任选地在氧化气氛中对所述材料进行热处理以使所述材料脱碳作为需要。

3. 发明授权

US4264565A Method for producing powder of .alpha.-silicon nitride 失效
标题翻译：生产α-氮化硅粉末的方法
公开(公告)号：US4264565A
公开(公告)日：1981-04-28
申请号：US121095
申请日：1980-02-13
申请人： Hiroshi Inoue , Katsutoshi Komeya , Akihiko Tsuge
发明人： Hiroshi Inoue , Katsutoshi Komeya , Akihiko Tsuge
IPC分类号： C01B21/068 , C04B35/584 , C01B21/06
CPC分类号： C04B35/584 , C01B21/0685 , C01P2004/61 , C01P2006/80
摘要： A method for producing powder of .alpha.-silicon nitride which comprises the steps of:adding 0.3 to 2 parts by weight of powder of carbon and 0.005 to 1 paret by weight of at least one silicon compound selected from the group consisting of Si.sub.3 N.sub.4, SiC and silicon oxide nitride series compounds to one part by weight (as converted to SiO.sub.2) to a liquid silane derivative which produces a precipitate and HCl by hydrolysis and further causes SiO.sub.2 to be grown by the baking of said precipitate, or the precipitate produced by hydrolysis of the liquid silane derivatives;hydrolyzing the resultant mixture, if necessary;washing the mixture to separate a solid component, if necessary; andbaking the solid component for reduction and nitrogenization at a temperature of 1300.degree. to 1500.degree. C. in an atmosphere mainly consisting of a nitrogen gas or a gas of a nitrogen compound.
摘要翻译：一种生产α-氮化硅粉末的方法，包括以下步骤：将0.3至2重量份的碳粉和0.005至1重量份的至少一种选自Si 3 N 4，SiC的硅化合物和氧化硅氮化物系列化合物与1重量份（转化为SiO 2）相对于通过水解产生沉淀物和HCl的液体硅烷衍生物，并且进一步通过焙烧所述沉淀生成SiO 2或通过水解生成的沉淀液体硅烷衍生物; 如果需要，水解所得混合物; 如果需要，洗涤混合物以分离固体组分; 在1300〜1500℃的温度下，在氮气或氮化合物气体的气氛中焙烧固体成分。

4. 发明授权

US4615863A Process for production of readily sinterable aluminum nitride powder 失效
标题翻译：生产容易烧结的氮化铝粉末的方法
公开(公告)号：US4615863A
公开(公告)日：1986-10-07
申请号：US768137
申请日：1985-08-22
申请人： Hiroshi Inoue , Akihiko Tsuge , Katsutoshi Komeya
发明人： Hiroshi Inoue , Akihiko Tsuge , Katsutoshi Komeya
IPC分类号： C01B21/072 , C04B35/581 , B22F1/00
CPC分类号： C04B35/581 , C01B21/0726
摘要： A process for producing readily sinterable aluminum nitride powder, which comprises mixing(i) alumina powder and/or powder of a compound capable of forming alumina by heat treatment,(ii) carbon powder and/or powder of a compound capable of forming carbon by heat treatment, and(iii) powder of at least one compound selected from the group consisting of alkaline earth metal oxides, compounds capable of forming said alkaline earth metal oxides by heat treatment, rare earth element oxides and compounds capable of forming said rare earth element oxides by heat treatment,and calcining the resulting mixture in a nitrogen-containing non-oxidative atmosphere, provides an aluminum nitride powder which is readily sinterable without further mixing with a sintering aid.
摘要翻译：一种制造容易烧结的氮化铝粉末的方法，其包括通过热处理将（i）能够形成氧化铝的化合物的氧化铝粉末和/或粉末混合（ii）通过以下方式混合（i）能够形成碳的化合物的碳粉末和/或粉末热处理，和（iii）选自碱土金属氧化物，能够通过热处理形成所述碱土金属氧化物的化合物，稀土元素氧化物和能够形成所述稀土元素的化合物中的至少一种化合物的粉末氧化物，并将所得混合物在含氮非氧化性气氛中煅烧，提供易于烧结的氮化铝粉末，而不用与烧结助剂进一步混合。

5. 发明授权

US4514370A Process for preparing silicon nitride powder 失效
标题翻译：制备氮化硅粉末的方法
公开(公告)号：US4514370A
公开(公告)日：1985-04-30
申请号：US618524
申请日：1984-06-08
申请人： Hiroshi Inoue , Katsutoshi Komeya , Akihiko Tsuge , Kazunari Koide , Masaaki Mori , Tetsuro Urakawa
发明人： Hiroshi Inoue , Katsutoshi Komeya , Akihiko Tsuge , Kazunari Koide , Masaaki Mori , Tetsuro Urakawa
IPC分类号： C01B21/068
CPC分类号： C01B21/0685 , C01P2004/50 , C01P2004/61 , C01P2004/62
摘要： Disclosed is a process for preparing silicon nitride powder, which comprises baking a powdery mixture comprising (i) 1 part by weight of silica powder, or a silica-containing substance in terms of silica, (ii) 0.4 to 4 parts by weight of carbon powder, or a substance generating carbon by baking, in terms of carbon and (iii) 0.005 to 1 part by weight of silicon nitride powder synthesized by a silica reduction method, at a temperature of from 1350.degree. to 1550.degree. C. in a non-oxidative atmosphere containing nitrogen.
摘要翻译：公开了一种制备氮化硅粉末的方法，其包括将包含（i）1重量份二氧化硅粉末或含二氧化硅的二氧化硅物质的粉末混合物烘烤，（ii）0.4至4重量份的碳粉末或通过焙烧产生碳的物质，以碳和（iii）0.005〜1重量份的通过二氧化硅还原法合成的氮化硅粉末，在1350〜1550℃的温度下，含氮的氧化气氛。

6. 发明授权

US4368180A Method for producing powder of .alpha.-silicon nitride 失效
标题翻译：生产α-氮化硅粉末的方法
公开(公告)号：US4368180A
公开(公告)日：1983-01-11
申请号：US293305
申请日：1981-08-17
申请人： Hiroshi Inoue , Katsutoshi Komeya , Akihiko Tsuge
发明人： Hiroshi Inoue , Katsutoshi Komeya , Akihiko Tsuge
IPC分类号： C01B21/068 , C04B35/584
CPC分类号： C04B35/584 , C01B21/0685 , C01P2004/61 , C01P2006/80
摘要： A method for producing powder of a .alpha.-silicon nitride which comprises the steps of adding 0.1 to 2 parts by weight of carbon and 0.005 to 1 part by weight of at least one silicon compound selected from the group consisting of Si.sub.3 N.sub.4, SiC and Si.sub.2 ON.sub.2 to one part by weight, when converted to SiO.sub.2, of a liquid alkylchlorosilane that forms a precipitate and HCl by hydrolysis which precipitate is convertible to SiO.sub.2 at a baking temperature of 1300.degree. to 1550.degree. C., hydrolyzing the resultant mixture, washing the mixture to separate a solid component, and baking the solid component at a temperature of 1300.degree. to 1550.degree. C. in an atmosphere mainly consisting of a nitrogen gas or a gas of a nitrogen compound to effect formation of .alpha.-silicon nitride.

7. 发明授权

US4097293A Method for manufacturing heat-resistant reinforced composite materials 失效
标题翻译：制造耐热增强复合材料的方法
公开(公告)号：US4097293A
公开(公告)日：1978-06-27
申请号：US708354
申请日：1976-07-26
申请人： Katsutoshi Komeya , Hiroshi Inoue
发明人： Katsutoshi Komeya , Hiroshi Inoue
IPC分类号： C04B35/56 , C04B35/563 , C04B35/565 , C04B35/581 , C04B35/583 , C04B35/584 , C04B35/52 , C04B35/70
CPC分类号： C04B35/583 , C04B35/56 , C04B35/563 , C04B35/565 , C04B35/581 , C04B35/584
摘要： A method for manufacturing heat-resistant reinforced composite materials having a fibrous structure which comprises mixing 99.8 to 90 percent by weight of a first component selected from the group consisting of the nitrides or carbides of aluminum, silicon and boron and mixtures thereof and 0.2 to 10 percent by weight of a second component selected from the group consisting of the rare earth oxides and mixtures thereof, molding the mixture into a desired shape, and sintering the molded mass to create a fibrous structure therein, said first component being 0.2 to 3.0 microns in average particle size, and said second component being 0.1 to 2.0 microns in average particle size.
摘要翻译：一种制造具有纤维结构的耐热增强复合材料的方法，其包括将99.8-90％重量的选自由铝，硅和硼的氮化物或碳化物及其混合物组成的组中的第一组分和0.2至10 选自由稀土氧化物及其混合物组成的组的第二组分的重量百分比，将混合物成型为所需形状，并烧结成型物质以在其中形成纤维结构，所述第一组分为0.2-3.0微米平均粒径，所述第二成分的平均粒径为0.1〜2.0微米。

8. 发明授权

US4680278A Process for preparing aluminum nitride powder 失效
标题翻译：氮化铝粉末制备方法
公开(公告)号：US4680278A
公开(公告)日：1987-07-14
申请号：US812012
申请日：1985-12-23
申请人： Hiroshi Inoue , Akihiko Tsuge , Katsutoshi Komeya
发明人： Hiroshi Inoue , Akihiko Tsuge , Katsutoshi Komeya
IPC分类号： C01B21/072 , C01B21/082 , C04B35/58
CPC分类号： C01B21/0726 , C01B21/0826 , C01P2004/61
摘要： A process for preparing aluminum nitride powder, which comprises mixing (i) aluminum hydroxide powder, (ii) carbon powder or a substance capable of forming carbon powder by heating and (iii) at least one of additives selected from the group consisting of aluminum nitride powder, silicon nitride powder, silicon carbide powder and powder of substances capable of forming the powder corresponding to these powders, and baking the mixture thus obtained in a non-oxidative atmosphere containing nitrogen. The process is useful for preparing aluminum nitride powder having small particle size and small particle size distribution and also having a uniform shape of particles, at a lower temperature and in a shorter period of time.
摘要翻译：一种制备氮化铝粉末的方法，其包括将（i）氢氧化铝粉末，（ii）碳粉末或能够通过加热形成碳粉末的物质和（iii）至少一种选自氮化铝粉末，氮化硅粉末，碳化硅粉末和能够形成与这些粉末相应的粉末的物质的粉末，并在由氮气的非氧化性气氛中焙烧得到的混合物。该方法在较低的温度和更短的时间内可用于制备具有小粒度和小粒度分布的氮化铝粉末，并且还具有均匀的颗粒形状。

9. 发明授权

US4117095A Method of making .alpha. type silicon nitride powder 失效
标题翻译：制造“”类型的氮化硅粉末的方法
公开(公告)号：US4117095A
公开(公告)日：1978-09-26
申请号：US725669
申请日：1976-09-22
申请人： Katsutoshi Komeya , Hiroshi Inoue , Takao Ohta
发明人： Katsutoshi Komeya , Hiroshi Inoue , Takao Ohta
IPC分类号： C04B35/626 , C01B21/068 , C04B35/584 , C01B21/06
CPC分类号： C04B35/584 , C01B21/0685 , C01P2004/03 , C01P2004/61 , C01P2004/62 , C01P2006/80
摘要： .alpha.-Silicon nitride powder which is used as a raw material for the preparation of high strength silicon nitride with additives such as magnesia and yttrium oxide, and other sintered materials suitable for high temperature gas turbine engine components and the like, is prepared by heating a powdered mixture of silica, carbon and metallic silicon in a nitrogen containing atmosphere and then subjecting the material to a heat treatment in an oxidizing atmosphere for decarbonization of said material.

10. 发明授权

US3969125A Heat resistive and reinforced composite material 失效
标题翻译：耐热和增强复合材料
公开(公告)号：US3969125A
公开(公告)日：1976-07-13
申请号：US381672
申请日：1973-07-23
申请人： Katsutoshi Komeya , Hiroshi Inoue , Akihiko Tsuge
发明人： Katsutoshi Komeya , Hiroshi Inoue , Akihiko Tsuge
IPC分类号： C04B35/80 , C04B35/584 , C04B35/593 , C04B35/597 , C04B35/50
CPC分类号： C04B35/584 , C04B35/593 , C04B35/597
摘要： We had previously disclosed a heat resistive and reinforced composite material which was prepared by sintering a finely powdered mixture of trisilicon tetranitride and an oxide of yttrium group elements.More improved similar composite material having excellent bending strength can be obtained by sintering a finely powdered mixture of trisilicon tetranitride, yttrium oxide and aluminum oxide. Cerium oxide, lanthanum oxide or scandium oxide can also be used instead of yttrium oxide.
摘要翻译：我们之前已经公开了一种耐热和增强的复合材料，其通过烧结四氧化三铁三氧化物和钇基元素的氧化物的细粉末混合物制备。

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