-
21.发明授权Metal matrix composite bodies utilizing a crushed polycrystalline oxidation reaction product as a filler 失效使用破碎的多晶氧化反应产物作为填料的金属基质复合体
公开(公告)号：US5541004A
公开(公告)日：1996-07-30
申请号：US303567
申请日：1994-09-09
CPC分类号： C22C1/1036 , C22C2001/1057 , C22C2001/1063 , Y10T428/12007 , Y10T428/12486
摘要： The present invention relates to a novel method for forming metal matrix composite bodies and novel metal matrix composite bodies produced thereby. Particularly, a polycrystalline oxidation reaction product of a parent metal and an oxidant is first formed. The polycrystalline oxidation reaction product is thereafter comminuted into an appropriately sized filler material which can be placed into a suitable container or formed into a preform. The filler material or preform of comminuted polycrystalline oxidation reaction product is thereafter placed into contact with a matrix metal alloy in the presence of an infiltration enhancer, and/or an infiltration enhancer precursor and/or an infiltrating atmosphere, at least at some point during the process, whereupon the matrix metal alloy spontaneously infiltrates the filler material or preform. As a result of utilizing comminuted or crushed polycrystalline oxidation reaction product, enhanced infiltration (e.g., enhanced rate or amount) is achieved. Moreover, novel metal matrix composite bodies are produced.
摘要翻译： 本发明涉及一种形成金属基复合体的新颖方法和由其制造的新型金属基复合体。 特别地，首先形成母体金属和氧化剂的多晶氧化反应产物。 然后将多晶氧化反应产物粉碎成适当尺寸的填充材料，其可以放置在合适的容器中或形成预成型体。 此后，在渗透增强剂和/或渗透增强剂前体和/或渗透气氛的存在下，将粉末状多晶氧化反应产物的填料或预成型体置于基质金属合金中，至少在 因此基体金属合金自发地渗入填料或预成型体。 作为利用粉碎或破碎的多晶氧化反应产物的结果，实现了增强的渗透（例如增强的速率或量）。 此外，还生产出新颖的金属基复合体。
-
公开(公告)号：US5518061A
公开(公告)日：1996-05-21
申请号：US199413
申请日：1994-02-22
申请人： Marc S. Newkirk , Andrew W. Urquhart , Michael K. Aghajanian , Mark G. Mortenson , Vilupanur A. Ravi , Alan S. Nagelberg
发明人： Marc S. Newkirk , Andrew W. Urquhart , Michael K. Aghajanian , Mark G. Mortenson , Vilupanur A. Ravi , Alan S. Nagelberg
CPC分类号： C04B41/89 , C04B41/52 , C22C1/1036 , C22C2001/1057 , C22C2001/1063
摘要： The present invention relates to modifying the properties of a metal matrix composite body by a post formation process treatment and/or a substantially contiguous modification treatment. The post formation process treatment may be applicable to a variety of metal matrix composite bodies produced by various techniques, and is particularly applicable to modifying the properties of a metal matrix composite body produced by a spontaneous infiltration technique. The substantially contiguous modification process may also be used primarily in conjunction with metal matrix composite bodies produced according to a spontaneous infiltration technique. Particularly, at least a portion of the matrix metal of the metal matrix composite body and/or the filler material of the metal matrix composite body is modified or altered during and/or after the formation process.
摘要翻译： 本发明涉及通过后形成工艺处理和/或基本相邻的改性处理来改性金属基质复合体的性质。 后形成处理可以适用于通过各种技术制造的各种金属基复合体，特别适用于通过自发渗透技术制造的金属基复合体的特性。 基本相邻的改性方法也可以主要与根据自发渗透技术制备的金属基质复合体一起使用。 特别地，金属基体复合体的基质金属和/或金属基体复合体的填充材料的至少一部分在形成过程中和/或之后被修饰或改变。
-
23.发明授权
公开(公告)号：US5344690A
公开(公告)日：1994-09-06
申请号：US34323
申请日：1993-03-22
CPC分类号： C04B38/061 , B28B1/00 , B28B3/025 , B28B7/342 , C04B35/652 , Y10T428/12007 , Y10T428/131 , Y10T428/1314 , Y10T428/24273 , Y10T428/24322 , Y10T428/249953 , Y10T428/249957 , Y10T428/249967 , Y10T428/249969 , Y10T428/249975
摘要： Self-supporting ceramic bodies comprising a polycrystalline material comprising the oxidation reaction product of a parent metal and having therein one or more channels which inversely replicate the geometry of the configured fugitive metal are formed. These self-supporting bodies may be utilized as articles for regulating and facilitating the passage of a fluid therethrough.
摘要翻译： 形成包括母体金属的氧化反应产物并且具有一个或多个通道的多层材料的自支撑陶瓷体，其反复地构成了配置的流体金属的几何形状。 这些自支撑体可以用作用于调节和促进流体通过的制品。
-
公开(公告)号：US5303763A
公开(公告)日：1994-04-19
申请号：US980418
申请日：1992-11-23
CPC分类号： C04B41/5155 , C04B41/009 , C04B41/88 , C22C1/1036 , B22F2003/1014 , C04B2111/00931 , C22C2001/1063
摘要： A metal matrix composite is formed by contacting a molten matrix metal with a permeable mass of filler material or preform in the presence of an infiltrating atmosphere. Under these conditions, the molten matrix metal will spontaneously infiltrate the permeable mass of filler material or preform under normal atmospheric pressures. Once a desired amount of spontaneous infiltration has been achieved, or during the spontaneous infiltration step, the matrix metal which has infiltrated the permeable mass of filler material or preform is directionally solidified. The directionally solidified metal matrix composite may be heated to a temperature in excess of the liquidus temperature of the matrix metal and quenched. This technique allows the production of spontaneously infiltrated metal matrix composites having improved microstructures and properties.
摘要翻译： 金属基质复合材料是通过使熔融基体金属与可渗透的填料或预成型体在渗透气氛下接触而形成的。 在这些条件下，熔融基质金属将在正常大气压力下自发渗透填料或预型体的渗透物质。 一旦实现了所需量的自发渗透，或者在自发渗透步骤期间，渗透了填充材料或预型体的可渗透物质的基质金属被定向凝固。 可以将定向凝固的金属基质复合材料加热到超过基质金属的液相线温度并淬火。 该技术允许生产具有改进的微结构和性质的自发渗透的金属基质复合材料。
-
25.发明授权Method for producing self-supporting ceramic bodies with altered microstructures 失效具有改变的微结构的自支撑陶瓷体的制造方法
公开(公告)号：US5019541A
公开(公告)日：1991-05-28
申请号：US547404
申请日：1990-07-02
申请人： Robert C. Kantner , Michael K. Aghajanian , Stanislav Antolin , Alan S. Nagelberg , Ratnesh K. Dwivedi
发明人： Robert C. Kantner , Michael K. Aghajanian , Stanislav Antolin , Alan S. Nagelberg , Ratnesh K. Dwivedi
CPC分类号： C04B35/652 , C22C29/12
摘要： This invention relates to a method for producing a self-supporting ceramic structure comprising an oxidation reaction product of a parent metal and a vapor-phase oxidant characterized by an altered microstructure attributable to the addition of one or more process modifiers relative to substantially the same oxidation reaction product produced without a process modifier.
摘要翻译： 本发明涉及一种用于生产自支撑陶瓷结构的方法，其包括母体金属和气相氧化剂的氧化反应产物，其特征在于相对于基本上相同的氧化物添加一种或多种工艺改性剂的改变的微结构 产生不含过程改性剂的反应产物。
-
26.发明授权Method of making ceramic articles having channels therein and articles made thereby 失效制造具有通道的陶瓷制品的方法和由此制成的制品
公开(公告)号：US4847025A
公开(公告)日：1989-07-11
申请号：US907924
申请日：1986-09-16
CPC分类号： B28B3/025 , B28B1/00 , B28B7/342 , C04B35/652 , C04B38/061
摘要： A method is provided for producing a self-supporting ceramic body comprising a polycrystalline material comprised of the oxidation reaction product of a parent metal and having therein one or more channels which inversely replicate the geometry of a configured fugitive metal. The method includes providing an assembly of the configured fugitive metal and the parent metal, optionally including a bed of permeable filler, and heating the assembly to form a body of molten parent metal. The molten parent metal is oxidized under selected conditions to grow the polycrystalline material to engulf the configured fugitive metal (and to infiltrate the filler, if the filler is present) and to cause the fugitive metal to disperse into the engulfing polycrystalline material thereby leaving behind as the one or more channels the space formerly occupied by the configured fugitive metal. The method provides self-supporting ceramic bodies having therein one or more channels inversely replicating the shape of the configured fugitive metal.
摘要翻译： 提供了一种用于生产自支撑陶瓷体的方法，其包括由母体金属的氧化反应产物组成的多晶材料，并且在其中具有一个或多个通道，其反复地构成配置的逃逸金属的几何形状。 该方法包括提供配置的短暂金属和母体金属的组件，任选地包括可渗透填料床，以及加热组件以形成熔融母体金属体。 熔融母体金属在选择的条件下被氧化以生长多晶材料以吞没配置的短暂金属（并且如果存在填料，则渗透填料）并且使短暂金属分散到吞没的多晶材料中，从而留下如 一个或多个通道，空间以前由配置的逃逸金属占据。 该方法提供了在其中具有一个或多个通道的自支撑陶瓷体，反向复制了配置的短效金属的形状。
-
公开(公告)号：US06863759B2
公开(公告)日：2005-03-08
申请号：US10055820
申请日：2002-01-23
申请人： Michael A. Richmond , Michael K. Aghajanian , Allyn L. McCormick , W. Michael Waggoner , Brian E. Schultz
发明人： Michael A. Richmond , Michael K. Aghajanian , Allyn L. McCormick , W. Michael Waggoner , Brian E. Schultz
IPC分类号： C04B35/573 , C04B35/65 , C04B37/00 , B32B7/08 , B32B31/20 , C01B31/36 , C04B33/00 , C04B35/524
CPC分类号： C04B35/62655 , C04B35/573 , C04B35/62665 , C04B35/63452 , C04B35/65 , C04B37/005 , C04B37/008 , C04B2235/3206 , C04B2235/3217 , C04B2235/3804 , C04B2235/3813 , C04B2235/3821 , C04B2235/3826 , C04B2235/3843 , C04B2235/3847 , C04B2235/3865 , C04B2235/3873 , C04B2235/3886 , C04B2235/40 , C04B2235/401 , C04B2235/402 , C04B2235/404 , C04B2235/405 , C04B2235/407 , C04B2235/408 , C04B2235/421 , C04B2235/428 , C04B2235/48 , C04B2235/5427 , C04B2235/5436 , C04B2235/5472 , C04B2235/6562 , C04B2235/6565 , C04B2235/6567 , C04B2235/658 , C04B2235/725 , C04B2235/94 , C04B2237/083 , C04B2237/09 , C04B2237/365 , C04B2237/525 , C04B2237/61 , C04B2237/66
摘要： Techniques to bond two or more smaller bodies or subunits to produce a unitary SiC composite structure extend the capabilities of reaction-bonded silicon carbide, for example, by making possible the fabrication of complex shapes. In a first aspect of the present invention, two or more preforms are bonded together with a binder material that imparts at least strength sufficient for handling during subsequent thermal processing. In a second aspect of the present invention, instead of providing the subunits to be bonded in the form of preforms, the subunits may be dense, SiC composite bodies, e.g., RBSC bodies. In each of the above embodiments, a preferable means for bonding two or more subunits combines aspects of adhesive and mechanical locking characteristics. One way to accomplish this objective is to incorporate a mechanical locking feature to the joining means, e.g., a “keyway” feature. The mechanical locking feature thus substitutes for, or supplements the binder qualities of the adhesive, which is especially important when the adhesive itself may be or become weak due to, for example, thermal processing.
摘要翻译： 将两个或多个较小体或亚单位结合以产生单一SiC复合结构的技术例如通过使制造复杂形状成为可能而延伸了反应粘合碳化硅的能力。 在本发明的第一方面中，两个或更多个预成型件用粘合剂材料粘合在一起，所述粘合剂材料在随后的热处理期间至少施加足以处理的强度。 在本发明的第二方面，代替以预成型件的形式提供待接合的亚基，亚基可以是致密的SiC复合体，例如RBSC体。 在上述每个实施例中，用于粘合两个或更多个亚基的优选手段组合粘合剂和机械锁定特性的方面。 实现该目标的一种方式是将机械锁定特征结合到接合装置，例如“键槽”特征。 机械锁定特征因此代替粘合剂的粘合剂质量，或者补充粘合剂的粘合剂质量，这在粘合剂本身由于例如热处理而可能变弱或变弱时尤其重要。
-
28.发明授权Metal matrix composite body having a surface of increased machinability and decreased abrasiveness 有权具有增加的切削性和降低的磨损性的表面的金属基复合体公开(公告)号：US06517953B1
公开(公告)日：2003-02-11
申请号：US09763688
申请日：2001-02-26
IPC分类号： B32B1500
CPC分类号： C04B41/009 , B22F2003/247 , B22F2998/00 , B22F2999/00 , C04B35/101 , C04B35/111 , C04B35/522 , C04B35/565 , C04B35/62635 , C04B41/5155 , C04B41/88 , C04B2111/00879 , C04B2235/3217 , C04B2235/36 , C04B2235/3826 , C04B2235/401 , C04B2235/425 , C04B2235/483 , C04B2235/5427 , C04B2235/5436 , C04B2235/602 , C04B2235/6562 , C22C1/1036 , C22C2001/1021 , C22C2001/1063 , C22C2204/00 , Y10S428/926 , Y10T428/12486 , Y10T428/12535 , Y10T428/12576 , C04B41/4517 , C04B41/4523 , C04B41/53 , C04B35/10 , C04B38/00 , B22F2201/02 , C04B41/455 , C04B35/00 , C22C47/08
摘要： Often, metal matrix composites (MMC's) lack adequate machinability and possess excessive abrasiveness because hard ceramic materials, such as silicon carbide, are used as the reinforcement phase. To make a metal matrix composite body having a more machinable and less abrasive surface, an MMC comprising an aluminum nitride reinforcement is formed on the surface of the body. In one embodiment, a layer is provided to a permeable mass or preform at the surface at issue, the layer featuring at least a reduced loading of ceramic filler material, and sometimes no ceramic material at all. The reduced loading is achieved by incorporating a fugitive material into the coating layer. Molten matrix metal is caused to infiltrate the permeable mass or preform and the coating layer to produce a macrocomposite body comprising a metal matrix composite coating and substrate. The metal matrix composite coating layer is distinguishable from the metal matrix composite substrate material, both compositionally and in terms of resulting properties. Under spontaneous infiltration conditions, as defined herein, aluminum nitride forms in-situ in the infiltrated body, including the surface layer. The present coating technique, however, permits a thicker MMC surface layer to be produced than could be produced previously. The present MMC surface layer can be applied to virtually any reinforced or unreinforced aluminum or aluminum alloy body.
摘要翻译： 通常，金属基复合材料（MMC）由于硬质陶瓷材料（如碳化硅）被用作增强相，因此缺乏足够的机械加工性并具有过度的磨损性。 为了制造具有更多可加工性和磨蚀性较差的表面的金属基质复合体，在本体的表面上形成包含氮化铝增强材料的MMC。 在一个实施方案中，在所讨论的表面上向可渗透质量块或预成型件提供一层，该层具有至少减少的陶瓷填料材料的载荷，并且有时根本不具有陶瓷材料。 减少的负荷是通过将一种短暂的材料掺入涂层来实现的。 使熔融基质金属渗入可渗透物质或预型体和涂层中以产生包含金属基质复合涂层和基底的大复合体。 金属基复合涂层与金属基复合基材材料的组成和结果特性无异。 在如本文所定义的自发渗透条件下，氮化铝在渗透体中原位形成，包括表面层。 然而，当前的涂覆技术允许生产比之前可以生产的更厚的MMC表面层。 本MMC表面层可以应用于几乎任何增强或未增强的铝或铝合金体。
-
公开(公告)号：US5529109A
公开(公告)日：1996-06-25
申请号：US394915
申请日：1995-02-27
申请人： Ratnesh K. Dwivedi , John T. Burke , Gerhard H. Schiroky , Michael K. Aghajanian , Steven D. Keck
发明人： Ratnesh K. Dwivedi , John T. Burke , Gerhard H. Schiroky , Michael K. Aghajanian , Steven D. Keck
CPC分类号： C04B41/51
摘要： The present invention relates to a novel method for forming metal matrix composite bodies. Particularly, a permeable mass of filler material is formed into a preform. The preform material can then be placed onto the surface of or into a matrix metal alloy, whereupon the matrix metal alloy spontaneously infiltrates the preform. After substantial complete infiltration of the preform, the preform begins to at least partially sink into the matrix metal alloy supply. The depth to which the preform may sink into the molten matrix metal alloy is controlled by utilizing a support means. The support means prevents the preform being infiltrated from submerging completely beneath the surface of the matrix metal alloy supply. The matrix metal which has infiltrated the preform is then allowed to cool, thus forming a metal matrix composite body.
摘要翻译： 本发明涉及一种形成金属基体复合体的新方法。 特别地，将可渗透的填料材料形成为预制件。 然后可以将预成型材料放置在基体金属合金的表面上，然后基体金属合金自发地渗入预成型体。 在预成型件完全浸透之后，预成型件开始至少部分地沉入基体金属合金材料。 通过利用支撑装置来控制预成型件可能沉入熔融基质金属合金的深度。 支撑装置防止预成型件被浸入完全浸没在基体金属合金供应的表面之下。 然后使渗透预型体的基体金属冷却，形成金属基体复合体。
-
公开(公告)号：US5529108A
公开(公告)日：1996-06-25
申请号：US971849
申请日：1993-01-08
申请人： Marc S. Newkirk , Michael K. Aghajanian , Gregory E. Hannon , Allyn L. McCormick , Gerhard H. Schiroky , Michael A. Rocazella , Robert C. Kantner
发明人： Marc S. Newkirk , Michael K. Aghajanian , Gregory E. Hannon , Allyn L. McCormick , Gerhard H. Schiroky , Michael A. Rocazella , Robert C. Kantner
CPC分类号： C04B41/009 , C04B41/5155 , C04B41/88 , C22C1/1036 , B22F2003/1014 , C04B2111/00931 , C22C2001/1063 , Y10T428/30
摘要： The present invention relates to a novel process for forming thin metal matrix composite bodies. Particularly, an infiltration enhancer and/or an infiltrating atmosphere are in communication with a filler material or preform, at least, at some point during the process, which permits molten matrix metal to spontaneously infiltrate the filler material or preform. Such spontaneous infiltration occurs without the application of any pressure or vacuum. In an embodiment of the present invention, the filler material may be sprayed upon a thin sheet of matrix metal. Alternatively, the filler material may be shaped via tape casting, slip casting, etc. to provide a thin preform. In another embodiment of the present invention, a body of matrix metal may be coated with a filler material such that upon spontaneous infiltration a metal matrix composite body is produced which inversely replicates the configuration of the original body of matrix metal.
摘要翻译： PCT No.PCT / US91 / 03114 Sec。 371日期：1993年1月8日 102（e）日期1993年1月8日PCT 1991年5月9日PCT PCT。 出版物WO91 / 17280 日本1991年11月14日。本发明涉及一种形成薄金属基复合体的新方法。 特别地，渗透增强剂和/或渗透气氛至少在该过程中的某一点处与填料或预型体连通，这允许熔融基质金属自发地渗入填料或预型体。 这种自发渗透发生在没有施加任何压力或真空的情况下。 在本发明的一个实施例中，填充材料可以喷涂在基体金属薄片上。 或者，填充材料可以通过带铸造，滑移浇铸等形成，以提供薄的预成型件。 在本发明的另一个实施例中，基体金属体可以用填充材料涂覆，使得当自发渗透时，产生金属基体复合体，其反向地复制基体金属原体的构型。
-
-
-
-
-
-
-
-
-
搜索结果
76 条记录 (耗时 0.031 秒)
