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1. 发明授权

US5945062A Silicon carbide reinforced reaction bonded silicon carbide composite 失效
标题翻译：碳化硅增强反应结合碳化硅复合材料
公开(公告)号：US5945062A
公开(公告)日：1999-08-31
申请号：US24343
申请日：1998-02-17
申请人： Stephen Chwastiak , Sai-Kwing Lau , Carl H. McMurtry , Gajawalli V. Srinivasan
发明人： Stephen Chwastiak , Sai-Kwing Lau , Carl H. McMurtry , Gajawalli V. Srinivasan
IPC分类号： C04B35/573 , C04B35/628 , C04B35/80 , B28B1/00
CPC分类号： C04B35/62865 , C04B35/573 , C04B35/624 , C04B35/6263 , C04B35/62857 , C04B35/62868 , C04B35/62884 , C04B35/62897 , C04B35/6316 , C04B35/806 , C04B2235/3217 , C04B2235/3427 , C04B2235/3826 , C04B2235/46 , C04B2235/5244 , C04B2235/616 , C04B2235/96 , Y10T428/2918 , Y10T428/2938 , Y10T428/2956 , Y10T428/2958
摘要： The invention includes a process for producing a reaction bonded silicon carbide composite reinforced with coated silicon carbide fibers which is suitable for high temperature applications. The process includes the steps of coating SiC fibers with AlN, BN or TiB.sub.2 ; treating the coated fibers with a mixture of SiC powder, water and a surfactant; preparing a slurry comprising SiC powder and water; infiltrating the coated fibers with the slurry to form a cast; drying the cast to form a green body; and reaction bonding the green body to form a dense SiC fiber reinforced reaction bonded matrix composite.The invention further includes a SiC fiber reinforced SiC composite comprising a reaction bonded SiC matrix, a SiC fiber reinforcement possessing thermal stability at high temperatures and an interface coating on the fibers having chemical and mechanical compatibility with the SiC matrix and with the SiC fibers.
摘要翻译：本发明包括一种用于生产适用于高温应用的涂覆碳化硅纤维增强的反应粘合碳化硅复合材料的方法。该方法包括用AlN，BN或TiB2涂覆SiC纤维的步骤; 用SiC粉末，水和表面活性剂的混合物处理涂覆的纤维; 制备包含SiC粉末和水的浆料; 用浆料渗透涂覆的纤维以形成铸件; 干燥铸造形成一个绿色的身体; 并与生坯反应结合形成致密的SiC纤维增强反应键合基复合材料。本发明还包括一种SiC纤维增强SiC复合材料，其包括反应结合的SiC基体，在高温下具有热稳定性的SiC纤维增强层和在与SiC基体和SiC纤维具有化学和机械相容性的纤维上的界面涂层。

2. 发明授权

US4313973A Method for manufacture of neutron absorbing article 失效
标题翻译：中子吸收制品的制造方法
公开(公告)号：US4313973A
公开(公告)日：1982-02-02
申请号：US133157
申请日：1980-03-24
申请人： Carl H. McMurtry , Robert G. Naum , Paul F. Forsyth
发明人： Carl H. McMurtry , Robert G. Naum , Paul F. Forsyth
IPC分类号： B29C70/02 , B29C70/88 , D06M11/74 , D06M15/41 , G21F1/12 , B05D1/28 , B05D5/00 , B05D5/02
CPC分类号： B29C70/025 , B29C70/88 , D06M11/74 , D06M15/41 , G21F1/12
摘要： A composite, neutron absorbing, coated article, normally flat and thin and of comparatively light weight, suitable for installation in storage racks for spent nuclear fuel and for other neutron absorbing applications, includes a backing member, preferably of flexible material such as woven fiberglass cloth, a synthetic organic polymeric coating or a plurality of such coatings on the backing member, preferably of cured phenolic resin, such as phenol formaldehyde or trimethylolphenol formaldehyde and boron carbide particles held to the backing member by the cured coating or a plurality of such coatings. Also described is a method for the manufacture of the neutron absorbing coated article and the use of such an article. In a preferred method the backing member is first coated on both sides thereof with a filling coating of thermosettable liquid phenolic resin, which is then partially cured to solid state, one side of the backing member is then coated with a mixture of thermosettable liquid resin and finely divided boron carbide particles and the resin is partially cured to solid state, the other side is coated with a similar mixture, larger boron carbide particles are applied to it and the resin is partially cured to solid state, such side of the article is coated with thermosettable liquid phenolic resin, the resin is partially cured to solid state and such resin, including previously applied partially cured resins, is cured to final cross-linked and permanently set form.
摘要翻译：通常平坦而薄且重量较轻的复合中子吸收涂层制品适用于安装在废核燃料和其他中子吸收应用的储存架中，包括背衬构件，优选为柔性材料，例如编织玻璃纤维布，背衬构件上的合成有机聚合物涂层或多个这样的涂层，优选固化的酚醛树脂，例如苯酚甲醛或三羟甲基酚甲醛，以及通过固化的涂层或多个这样的涂层保持在背衬构件上的碳化硼颗粒。还描述了制造中子吸收涂层制品的方法和这种制品的用途。在优选的方法中，首先在其两侧涂覆有背衬构件的可热固的液体酚醛树脂的填充涂层，然后将其部分固化成固体状态，然后用热固性液体树脂和精细分散的碳化硼颗粒和树脂部分固化成固体状态，另一侧涂覆有类似的混合物，较大的碳化硼颗粒被施加到树脂上并将树脂部分固化成固态，制品的这一面被涂覆使用可热固的液体酚醛树脂，将树脂部分固化成固态，并将这种树脂（包括预先涂敷的部分固化的树脂）固化成最终交联和永久固定的形式。

3. 发明授权

US4287145A Method for manufacturing neutron absorbing article 失效
公开(公告)号：US4287145A
公开(公告)日：1981-09-01
申请号：US133182
申请日：1980-03-24
申请人： Carl H. McMurtry , Robert G. Naum , Dean P. Owens , Michael T. Hortman
发明人： Carl H. McMurtry , Robert G. Naum , Dean P. Owens , Michael T. Hortman
IPC分类号： G21C19/40 , G21F1/10 , B29J5/00
CPC分类号： G21F1/103 , G21C19/40
摘要： A neutron absorbing article, preferably in long, thin, flat form, suitable for but not necessarily limited to use in storage racks for spent nuclear fuel at locations between volumes of such stored fuel to absorb neutrons from said spent fuel and prevent uncontrolled nuclear reaction of the spent fuel material, is composed of finely divided boron carbide particles and a solid, irreversibly cured phenolic polymer forming a continuous matrix about the boron carbide particles, in such proportions that at least 6% of B.sup.10 from the boron carbide content is present therein. The described structures possess a multiplicity of desirable properties for the use mentioned, including withstanding thermal cycling from repeated spent fuel insertions and removals, withstanding radiation from said spent nuclear fuel over long periods of time without losing desirable neutron absorbing and physical properties, being sufficiently chemically inert to water so as to retain neutron absorbing properties if brought into contact with it, not being galvanically corroding and being sufficiently flexible so as to withstand operational basis earthquake and safe shutdown earthquake seismic events without loss of neutron absorbing capability and other desirable properties when installed in storage racks for spent nuclear fuel. In preferred embodiments of the invention the phenolic polymer is a phenol formaldehyde type polymer, such as a trimethylol phenol formaldehyde type polymer, the boron carbide contains at least 12% of B.sup.10, the plate contains from 8.0 to 11.5% thereof, the plate density is 1.6 to 2.1 g./cc. and the proportions of boron carbide (which may be accompanied by limited amounts of certain impurities) and phenol formaldehyde type polymer (preferably free of halogens, mercury, lead and sulfur) are from 20 to 35% of the former and 65 to 80% of the latter. The invention also relates to a plurality of such neutron absorbing articles in a storage rack for spent nuclear fuel and to a method for the manufacture of the articles. In the manufacturing method a portion of the phenol formaldehyde type resin, in liquid state, is mixed with the boron carbide particles, compacted and cured, after which the cured article is impregnated with additional phenol formaldehyde type resin, which is then cured to make the final product.

4. 发明授权

US4124667A Process for producing sintered silicon carbide ceramic body 失效
标题翻译：烧结碳化硅陶瓷体的制造方法
公开(公告)号：US4124667A
公开(公告)日：1978-11-07
申请号：US790354
申请日：1977-04-25
申请人： John A. Coppola , Laurence N. Hailey , Carl H. McMurtry
发明人： John A. Coppola , Laurence N. Hailey , Carl H. McMurtry
IPC分类号： C04B35/565 , C04B35/52
CPC分类号： C04B35/565
摘要： Pressureless sintering of silicon carbide to produce ceramic bodies having 75% and greater theoretical densities, can be accomplished by firing shaped bodies, containing finely divided silicon carbide, boron source such as boron carbide, carbon source such as phenolic resin and a temporary binder, at a sintering temperature of from about 1900.degree. C to about 2500.degree. C.
摘要翻译：碳化硅的无压烧结以产生具有75％或更高理论密度的陶瓷体，可以通过将包含细碎碳化硅，硼源如碳化硼，碳源如酚醛树脂和临时粘合剂的成形体烧制在烧结温度为约1900℃至约2500℃

5. 发明授权

US5643514A Process for manufacturing a silicon carbide composition 失效
标题翻译：碳化硅组合物的制造方法
公开(公告)号：US5643514A
公开(公告)日：1997-07-01
申请号：US447148
申请日：1995-05-22
申请人： Stephen Chwastiak , Sai-Kwing Lau , Carl H. McMurtry , Gajawalli V. Srinivasan
发明人： Stephen Chwastiak , Sai-Kwing Lau , Carl H. McMurtry , Gajawalli V. Srinivasan
IPC分类号： C04B35/573 , C04B35/628 , C04B35/80 , C04B35/577
CPC分类号： C04B35/62865 , C04B35/573 , C04B35/624 , C04B35/6263 , C04B35/62857 , C04B35/62868 , C04B35/62884 , C04B35/62897 , C04B35/6316 , C04B35/806 , C04B2235/3217 , C04B2235/3427 , C04B2235/3826 , C04B2235/46 , C04B2235/5244 , C04B2235/616 , C04B2235/96 , Y10T428/2918 , Y10T428/2938 , Y10T428/2956 , Y10T428/2958
摘要： The invention includes a process for producing a reaction bonded silicon carbide composite reinforced with coated silicon carbide fibers which is suitable for high temperature applications. The process includes the steps of coating SiC fibers with AlN, BN or TiB.sub.2 ; treating the coated fibers with a mixture of SiC powder, water and a surfactant; preparing a slurry comprising SiC powder and water; infiltrating the coated fibers with the slurry to form a cast; drying the cast to form a green body; and reaction bonding the green body to form a dense SiC fiber reinforced reaction bonded matrix composite.The invention further includes a SiC fiber reinforced SiC composite comprising a reaction bonded SiC matrix, a SiC fiber reinforcement possessing thermal stability at high temperatures and an interface coating on the fibers having chemical and mechanical compatibility with the SiC matrix and with the SiC fibers.
摘要翻译：本发明包括一种用于生产适用于高温应用的涂覆碳化硅纤维增强的反应粘合碳化硅复合材料的方法。该方法包括用AlN，BN或TiB2涂覆SiC纤维的步骤; 用SiC粉末，水和表面活性剂的混合物处理涂覆的纤维; 制备包含SiC粉末和水的浆料; 用浆料渗透涂覆的纤维以形成铸件; 干燥铸造形成一个绿色的身体; 并与生坯反应结合形成致密的SiC纤维增强反应键合基复合材料。本发明还包括一种SiC纤维增强SiC复合材料，其包括反应结合的SiC基体，在高温下具有热稳定性的SiC纤维增强层和在与SiC基体和SiC纤维具有化学和机械相容性的纤维上的界面涂层。

6. 发明授权

US4695294A Vibratory grinding of silicon carbide 失效
标题翻译：碳化硅振动研磨
公开(公告)号：US4695294A
公开(公告)日：1987-09-22
申请号：US722272
申请日：1985-04-11
申请人： Tadeusz M. Korzekwa , Carl H. McMurtry , Wolfgang D. G. Boecker
发明人： Tadeusz M. Korzekwa , Carl H. McMurtry , Wolfgang D. G. Boecker
IPC分类号： B02C17/14 , B02C17/20 , B24D3/02
CPC分类号： B02C17/20
摘要： A method for reducing the particle size of an initial silicon carbide powder to a milled powder having an average particle size of below 1 micron but greater than an average of about 0.2 micron, without grinding media contamination. The method comprises milling the larger particles in a vibratory mill in the presence of sintered silicon carbide media comprising silicon carbide pellets having both curved and flat surfaces and a maximum dimension of from about 0.5 to 5 centimeters. The grinding occurs in the presence of a fluid, preferably a liquid, for a sufficient time and at a sufficient vibrational energy to obtain said milled powder having such smaller average particle size. At least 90% of the pellets in the silicon carbide media have a specific gravity (density) greater than 3.05 g/cm.sup.3.The invention includes the unique media, which may be used for various grinding operations, and includes unique milled powders. One of the unique powders has particles which have an average length to width ratio of greater than 2.5. Another of the unique powders is black silicon carbide containing from 200 to 2,000 parts per million of aluminum in solid solution.
摘要翻译：一种将初始碳化硅粉末的粒度降低到平均粒度小于1微米但大于约0.2微米的研磨粉末的方法，而不研磨介质污染。该方法包括在烧结碳化硅介质的存在下在振动研磨机中研磨更大的颗粒，所述烧结碳化硅介质包括具有弯曲和平坦表面的碳化硅球粒和最大尺寸为约0.5至5厘米。研磨在流体存在下，优选液体发生足够的时间和足够的振动能，以获得具有如此较小的平均粒径的粉碎粉末。碳化硅介质中的至少90％的颗粒的比重（密度）大于3.05g / cm 3。本发明包括可用于各种研磨操作的独特介质，并且包括独特的研磨粉末。其中一种独特的粉末具有平均长宽比大于2.5的颗粒。另一种独特的粉末是在固体溶液中含有200至2,000份/百万份铝的黑色碳化硅。

7. 发明授权

US4346049A Sintered alpha silicon carbide ceramic body having equiaxed microstructure 失效
标题翻译：具有等轴显微组织的烧结α碳化硅陶瓷体
公开(公告)号：US4346049A
公开(公告)日：1982-08-24
申请号：US930435
申请日：1978-07-31
申请人： John A. Coppola , Laurence N. Hailey , Carl H. McMurtry
发明人： John A. Coppola , Laurence N. Hailey , Carl H. McMurtry
IPC分类号： C04B35/565 , F27B9/04
CPC分类号： C04B35/565
摘要： Pressureless sintered silicon carbide ceramic bodies, having an equiaxed microstructure and an alpha crystalline habit can be produced by firing shaped bodies, containing finely divided silicon carbide, boron source such as boron carbide, carbon source such as phenolic resin and a temporary binder, at a sintering temperature of from about 1900.degree. C. to about 2250.degree. C., depending on the sintering atmosphere, under conditions such that a coating of carbon source is maintained on the finely divided silicon carbide, and sufficient boron is maintained within the shaped body during firing. Boron can be maintained within the shaped body by various techniques, such as the use of a "seasoned boat" or graphite container for the body being sintered, which has been saturated with boron by exposure to boron at or about the temperature of sintering.There is also disclosed a process for producing a sintered silicon carbide ceramic body, with or without the equiaxed crystal microstructure, from silicon carbide powders of alpha or beta crystal structure, or amorphous noncrystalline silicon carbide, or mixtures thereof.
摘要翻译：具有等轴显微组织和α晶体习性的无压烧结碳化硅陶瓷体可以通过以下方式制造：将成形体包含细碎的碳化硅，硼源如碳化硼，碳源如酚醛树脂和临时粘结剂烧结温度为约1900℃至约2250℃，这取决于烧结气氛，使得在细碎碳化硅上保持碳源的涂层，并且在成形体内保持足够的硼射击可以通过各种技术将硼保持在成形体内，例如使用烧结体的“经久化的船”或石墨容器，其在烧结温度或约烧结过程中通过暴露于硼而被硼饱和。还公开了一种制造具有或不具有等轴晶体微结构的烧结碳化硅陶瓷体的方法，其由α或β晶体结构的碳化硅粉末，或非晶非晶碳化硅或其混合物制成。

8. 发明授权

US4123286A Silicon carbide powder compositions 失效
标题翻译：碳化硅粉末组合物
公开(公告)号：US4123286A
公开(公告)日：1978-10-31
申请号：US754648
申请日：1976-12-27
申请人： John A. Coppola , Harry A. Lawler , Carl H. McMurtry
发明人： John A. Coppola , Harry A. Lawler , Carl H. McMurtry
IPC分类号： C01B31/36 , C04B35/565 , H05K1/03
CPC分类号： C04B35/565
摘要： A powder containing substantial amounts of alpha phase silicon carbide suitable for use in subsequent sintering operations to obtain a high-density, high-strength ceramic product is described. The powder may consist substantially entirely of alpha silicon carbide or may consist of mixtures of alpha and beta phase silicon carbide. The silicon carbide powder of the present invention has an average particle size of from about 0.10 to about 2.50 microns and may contain maximum amounts of the following materials by weight based upon 100 parts of powder.______________________________________ SiO.sub.2 2.00 Free Silicon 0.25 Iron 0.50 Alkali and Alkaline Earth Metals 0.50 Total Metal Oxides 3.75 ______________________________________ Sinterable powders and methods of producing sintered products from the powders are also described.
摘要翻译：描述了适用于后续烧结操作以获得高密度高强度陶瓷产品的大量α相碳化硅的粉末。粉末可以基本上由α碳化硅组成，或者可以由α相和β相碳化硅的混合物组成。本发明的碳化硅粉末具有约0.10至约2.50微米的平均粒度，并且可以含有最大量的以100重量份的粉末为基准的最大量的以下材料。 } SiO2 2.00}游离硅0.25}铁0.50}碱金属和碱土}金属0.50}总金属氧化物3.75}还描述了可从粉末生产烧结产品的可烧结粉末和方法。

9. 发明授权

US5135895A Non-oxide sintered ceramic fibers 失效
标题翻译：非氧化物烧结陶瓷纤维
公开(公告)号：US5135895A
公开(公告)日：1992-08-04
申请号：US644668
申请日：1991-01-23
申请人： Francis J. Frechette , Wolfgang D. G. Boecker , Carl H. McMurtry , Martin R. Kasprzyk
发明人： Francis J. Frechette , Wolfgang D. G. Boecker , Carl H. McMurtry , Martin R. Kasprzyk
IPC分类号： C04B35/622
CPC分类号： C04B35/62227 , Y10S264/19
摘要： A high temperature, preferably polycrystalline, ceramic fiber having a selectable diameter of between 1 and 200 microns. The fiber is stable in an inert atmosphere at a temperature above about 1700.degree. C. and is often stable even in air at a temperature above 1500.degree. C. The fiber comprises a sintered ceramic powder having a maximum particle size less than the diameter of the fiber and an average particle size less than 0.2 times the diameter of the fiber. The ceramic powder is also stable in an inert atmosphere at a temperature above about 1700.degree. C. At least 90% of the ceramic is selected from borides, nitrides, carbides, and silicides. The fiber is characterized by a smooth surface and is preferably out of round.The invention further comprises a textilable sinterable filament, comprising a flexible polymer matrix containing high temperature sinterable ceramic powder particles. The ceramic powder particles are selected from ceramic borides, nitrides, carbides, and silicides. The diameter of the filament is from 2 to 300 microns. The invention also comprises the method for making textilable filament by fiberizing a mixture of a polymer and a sinterable non-oxide fiber and the method wherein the high temperature ceramic fiber is prepared by sintering the textilable sinterable filament as previously described. The invention also includes composites containing such filaments.
摘要翻译：具有1至200微米的可选直径的高温，优选多晶陶瓷纤维。该纤维在惰性气氛中在高于约1700℃的温度下是稳定的，并且即使在高于1500℃的空气中也是稳定的。纤维包含烧结陶瓷粉末，其烧结陶瓷粉末的最大粒径小于纤维的平均粒径小于纤维直径的0.2倍。陶瓷粉末在高于约1700℃的惰性气氛中也是稳定的。至少90％的陶瓷选自硼化物，氮化物，碳化物和硅化物。纤维的特征在于光滑的表面，并且优选地不圆形。本发明还包括可弯曲的可烧结长丝，其包括含有高温可烧结陶瓷粉末颗粒的柔性聚合物基质。陶瓷粉末颗粒选自陶瓷硼化物，氮化物，碳化物和硅化物。长丝的直径为2至300微米。本发明还包括通过纤维化聚合物和可烧结非氧化物纤维的混合物来制造可弯曲的长丝的方法，以及如前所述通过烧结可熔化的可烧结长丝来制备高温陶瓷纤维的方法。本发明还包括含有这种长丝的复合材料。

10. 发明授权

US4908340A Non-oxide sintered ceramic fibers 失效
标题翻译：非氧化物烧结陶瓷纤维
公开(公告)号：US4908340A
公开(公告)日：1990-03-13
申请号：US74080
申请日：1987-07-16
申请人： Francis J. Frechette , Wolfgang D. G. Boecker , Carl H. McMurtry , Martin R. Kasprzyk
发明人： Francis J. Frechette , Wolfgang D. G. Boecker , Carl H. McMurtry , Martin R. Kasprzyk
IPC分类号： C04B14/38 , C04B35/622 , C22C49/00 , D01F1/10 , D01F6/46 , D01F6/76 , D01F9/10
CPC分类号： C04B35/63476 , C04B35/117 , C04B35/62272 , C04B35/62277 , C04B35/62281 , C04B35/62286 , C04B35/62635 , C04B35/6264 , C04B35/632 , C04B35/63408 , C04B35/6342 , C04B35/63488 , C04B35/645 , C04B35/803 , C04B35/806 , C04B2235/3206 , C04B2235/3225 , C04B2235/3232 , C04B2235/3813 , C04B2235/3821 , C04B2235/3826 , C04B2235/383 , C04B2235/3834 , C04B2235/3865 , C04B2235/524 , C04B2235/5244 , C04B2235/526 , C04B2235/5264 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/6021 , C04B2235/604 , C04B2235/6562 , C04B2235/6567 , C04B2235/77 , Y10S264/19
摘要： A high temperature, preferably polycrystalline, ceramic fiber having a selectable diameter of between 1 and 200 microns. The fiber is stable in an inert atmosphere at a temperature above about 1700.degree. C. and is often stable even in air at a temperature above 1500.degree. C. The fiber comprises a sintered ceramic powder having a maximum particle size less than the diameter of the fiber and an average particle size less than 0.2 times the diameter of the fiber. The ceramic powder is also stable in an inert atmosphere at a temperature above about 1700.degree. C. At least 90% of the ceramic is selected from borides, nitrides, carbides, and silicides. The fiber is characterized by a smooth surface and is preferably out of round.The invention further comprises a textilable sinterable filament, comprising a flexible polymer matrix containing high temperature sinterable ceramic powder particles. The ceramic powder particles are selected from ceramic borides, nitrides, carbides, and silicides. The diameter of the filament is from 2 to 300 microns. The invention also comprises the method for making textilable filament by fiberizing a mixture of a polymer and a sinterable non-oxide fiber and the method wherein the high temperature ceramic fiber is prepared by sintering the textilable sinterable filament as previously described. The invention also includes composites containing such filaments.

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