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公开(公告)号：US5682594A
公开(公告)日：1997-10-28
申请号：US472613
申请日：1995-06-07
申请人： Christopher Robin Kennedy , Birol Sonuparlak , Ali Syed Fareed , John Edward Garnier , Gerhard Hans Schiroky , Dennis James Landini , Virgil Irick, Jr.
发明人： Christopher Robin Kennedy , Birol Sonuparlak , Ali Syed Fareed , John Edward Garnier , Gerhard Hans Schiroky , Dennis James Landini , Virgil Irick, Jr.
CPC分类号： C04B35/62894 , B32B18/00 , C04B35/117 , C04B35/581 , C04B35/62844 , C04B35/62852 , C04B35/62855 , C04B35/62863 , C04B35/62865 , C04B35/62868 , C04B35/62871 , C04B35/62873 , C04B35/62884 , C04B35/62897 , C04B35/652 , C04B35/80 , C04B2235/3279 , C04B2235/40 , C04B2235/401 , C04B2235/402 , C04B2235/404 , C04B2235/405 , C04B2235/407 , C04B2235/428 , C04B2235/524 , C04B2235/5244 , C04B2235/5248 , C04B2235/5252 , C04B2235/5256 , C04B2235/526 , C04B2235/5264 , C04B2235/5268 , C04B2235/614 , C04B2235/6587 , C04B2235/96 , C04B2237/343 , C04B2237/366 , C04B2237/38 , Y10T428/12035 , Y10T428/12056 , Y10T428/197
摘要： Coated ceramic filler materials comprised of ceramic particles, fibers, whiskers, etc. having at least two substantially continuous coatings thereon are provided. The coatings are selected so that the interfacial shear strength between the ceramic filler material and the first coating, between coatings, or between the outer coating and the surrounding matrix material, are not equal so as to permit debonding and pull-our when fracture occurs. The resultant, multi-coated ceramic filler materials may be employed to provide composites, especially ceramic matrix composites, with increased fracture toughness. The ceramic filler materials are designed to be particularly compatible with ceramic matrices formed by directed oxidation of precursor metals, but such ceramic filler materials are also adaptable for use in many other composite material systems. In a preferred embodiment, the coatings are applied to the ceramic fiber plies or preforms by CVD. Accordingly, coating depositions which are more uniform through the preform cross-section have been achieved by assembling the preform with exterior fabric plies having greater gas permeability than the fibrous preform or fabric plies located deeper in the preform interior. In another preferred embodiment, at least one additional filler material different in some respect from a first fibrous filler material is provided to the permeable mass to be infiltrated with matrix material. Specifically, the additional filler material is provided for the purpose of tailoring at least one additional property of the self-supporting composite body to be formed not already tailored by the first fibrous filler material.
摘要翻译： 提供了由其上具有至少两个基本上连续的涂层的陶瓷颗粒，纤维，晶须等组成的涂覆陶瓷填料。 选择涂层使得陶瓷填充材料与第一涂层之间，涂层之间或外涂层与周围基体材料之间的界面剪切强度不相等，从而当断裂发生时允许剥离和拉伸。 所得多层陶瓷填料可用于提供具有增加的断裂韧性的复合材料，特别是陶瓷基复合材料。 陶瓷填充材料被设计成与通过前体金属的直接氧化形成的陶瓷基质特别相容，但是这种陶瓷填料也适用于许多其它复合材料体系。 在优选的实施方案中，通过CVD将涂层施加到陶瓷纤维层或预制件上。 因此，通过将预成型件与比预制件内部更深的纤维预制件或织物层具有更大的气体渗透性的外部织物层组装，已经实现了通过预成型件横截面更均匀的涂层沉积。 在另一个优选的实施方案中，至少一种不同于第一纤维状填料的附加填料材料被提供到渗透物质以被基体材料渗透。 具体地说，附加的填充材料是为了定制尚未由第一纤维状填料材料制成的自支撑复合体的至少一种附加性能而设置的。
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公开(公告)号：US4956319A
公开(公告)日：1990-09-11
申请号：US298613
申请日：1989-01-18
IPC分类号： B22D19/00
CPC分类号： B22D19/00 , F05C2251/042 , Y10T29/49984
摘要： This invention relates to a new ceramic-metal composite body and a method for producing the same. Particularly, a compliant layer composition is utilized for preventing the rupture of a ceramic article and/or the yielding or failure of a metal during the pouring, solidification and cooling of a molten metal which has been cast around the ceramic. A slurry composition for the compliant layer includes plaster of paris, a liquid vehicle and a filler material. The slurry composition is coated on the ceramic article and thereafter is heat-treated to form a compliant layer. Ceramic-metal composite bodies comprising low strength hollow articles and high expansion coefficient metals may be manufactured according to the method of this invention.
摘要翻译： 本发明涉及一种新的陶瓷 - 金属复合体及其制造方法。 特别地，柔性层组合物用于在铸造在陶瓷周围的熔融金属的浇注，固化和冷却期间防止陶瓷制品的破裂和/或金属的产生或破坏。 用于柔顺层的浆料组合物包括石膏，液体载体和填料。 将浆料组合物涂布在陶瓷制品上，然后进行热处理以形成柔顺层。 可以根据本发明的方法制造包括低强度中空制品和高膨胀系数金属的陶瓷 - 金属复合体。
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公开(公告)号：US4957779A
公开(公告)日：1990-09-18
申请号：US157432
申请日：1988-02-18
IPC分类号： C04B35/622 , C04B35/111 , C04B35/65 , C04B35/71 , C04B41/45 , C04B41/81
CPC分类号： C04B41/009 , C04B35/111 , C04B35/652 , C04B35/71 , C04B41/4556 , C04B41/81
摘要： The present invention relates to a method for producing a protective layer on a ceramic or a ceramic composite body. Stated more particularly, by subjecting a ceramic or a ceramic composite body being interconnected residual metal therein to a particular atmosphere, a protective layer can be formed from the interconnected metal. Such a layer can be protective, especially in corrosion environments which include various gaseous or solid species containing sodium and silicon, such as those found in glass tanks.
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公开(公告)号：US4871008A
公开(公告)日：1989-10-03
申请号：US142385
申请日：1988-01-11
IPC分类号： B22D19/14 , B22D19/00 , C04B35/111 , C04B35/65 , C22C1/10 , C22C29/12 , C22C32/00 , C22C47/06 , C22C47/08 , C22C47/10
CPC分类号： C22C32/0063 , C04B35/111 , C04B35/652 , C22C1/1036 , C22C2001/1063
摘要： An aluminum metal matrix composite comprises an aluminum metal matrix embedding a second filter, such as a ceramic second filler, and is formed by contacting, for example, a molten aluminum metal with a permeable mass of second filler within a ceramic impervious mold formed by growing a polycrystalline oxidation reaction product into a first filler. By hermetically sealing the second filler within the mold with a body of molten aluminum metal, the latter spontaneously infiltrates the mass of second filler at moderate temperatures, e.g. about 900.degree. C., without need of any other infiltration expedients. The molten mass containing the infiltrated ceramic filler is solidified to provide the metal matrix composite which may be recovered from the mold. Optionally, the solidification is carried out under bonding conditions including maintaining the solidifying material in direct contact with the ceramic mold, to provide the metal matrix composite joined to the mold, or a part thereof, as a structural component.
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5.发明授权
公开(公告)号：US5526914A
公开(公告)日：1996-06-18
申请号：US226612
申请日：1994-04-12
CPC分类号： F16D65/127 , C23C30/00 , F16D65/125 , F16D2065/785 , F16D2069/0491
摘要： This invention relates to metal and metal matrix composite materials that are useful as, for example, brake rotors, clutch plates and other similar uses which benefit from material properties of the invention. In the case of metal matrix composite materials, clutch plates and brake rotors made according to the invention comprise an interconnected matrix metal embedding at least one filler material. For example, the at least one filler material comprises numerous acceptable filler materials present in a sufficient quantity to provide desired performance. The brake rotors and clutch plates according to the invention further comprise a coating on the surface thereof causing the metal or metal matrix composite body to function as a substrate. The coatings may be applied by various conventional techniques. Desirable results of placing a coating on a metal or metal matrix composite substrate brake rotor or clutch plate include a significant increase in the maximum operating temperature of the brake rotor or clutch plate and/or a significant reduction in weight in comparison to conventional materials, etc.
摘要翻译： 本发明涉及可用作例如制动转子，离合器片以及受益于本发明的材料性质的其它类似用途的金属和金属基质复合材料。 在金属基复合材料的情况下，根据本发明制造的离合器片和制动转子包括嵌入至少一种填充材料的互连基体金属。 例如，至少一种填充材料包含足够数量的许多可接受的填充材料以提供期望的性能。 根据本发明的制动转子和离合器片还包括其表面上的涂层，其使金属或金属基质复合体作为基底起作用。 涂层可以通过各种常规技术施加。 在金属或金属基复合基板制动转子或离合器板上放置涂层的理想结果包括与常规材料等相比制动转子或离合器板的最大工作温度的显着增加和/或重量的显着减小 。
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公开(公告)号：US4998578A
公开(公告)日：1991-03-12
申请号：US380977
申请日：1989-07-17
IPC分类号： C04B35/111 , C04B35/65 , C22C1/10 , C22C32/00
CPC分类号： C22C1/1036 , C04B35/111 , C04B35/652 , C22C32/0063 , C22C2001/1063
摘要： An aluminum metal matrix composite comprises an aluminum metal matrix embedding a second filler, such as a ceramic second filler, and is formed by contacting, for example, a molten aluminum metal with a permeable mass of second filler within a ceramic impervious mold formed by growing a polycrystalline oxidation reaction product into a first filler. By hermetically sealing the second filler within the mold with a body of molten aluminum metal, the latter spontaneously infiltrates the mass of second filler at moderate temperatures, e.g. about 900.degree. C., without need of any other infiltration expedients. The molten mass containing the infiltrated ceramic filler is solidified to provide the metal matrix composite which may be recovered from the mold. Optionally, the solidification is carried out under bonding conditions including maintaining the solidifying material in direct contact with the ceramic mold, to provide the metal matrix composite joined to the mold, or a part thereof, as a structural component.
摘要翻译： 铝金属基质复合材料包括嵌入第二填料（例如陶瓷第二填料）的铝金属基体，并且通过例如熔融铝金属与可渗透的第二填料物质接触而形成，所述陶瓷不可渗透模具通过生长形成 将多晶氧化反应产物转化成第一填料。 通过用熔融铝金属体将模具内的第二填料气密密封，后者在中等温度下自发渗透第二填料块， 约900℃，无需任何其他渗透方式。 包含渗透的陶瓷填料的熔融物料被固化，以提供可以从模具回收的金属基质复合材料。 任选地，固化在包括保持固化材料与陶瓷模具直接接触的粘结条件下进行，以提供连接到模具或其一部分作为结构部件的金属基复合材料。
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公开(公告)号：US4849266A
公开(公告)日：1989-07-18
申请号：US116412
申请日：1987-11-03
CPC分类号： B22D19/00 , F05C2251/042 , Y10T29/49984 , Y10T428/131 , Y10T428/249987 , Y10T428/31678
摘要： This invention relates to a new ceramic-metal composite body and a method for producing the same. Particularly, a compliant layer composition is utilized for preventing the rupture of a ceramic article and/or the yielding or failure of a metal during the pouring, solidification and cooling of a molten metal which has been cast around the ceramic. A slurry composition for the compliant layer includes plaster of paris, a liquid vehicle and a filler material. The slurry composition is coated on the ceramic article and thereafter is heat-treated to form a compliant layer. Ceramic-metal composite bodies comprising low strength hollow articles and high expansion coefficient metals may be manufactured according to the method of this invention.
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