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    Process for preparing self-supporting bodies and products made thereby
    5.
    发明授权
    Process for preparing self-supporting bodies and products made thereby 失效
    制备自支撑体及其制品的方法

    公开(公告)号：US4940679A

    公开(公告)日：1990-07-10

    申请号：US137044

    申请日：1987-12-23

    申请人： Terry D. Claar ,  Steven M. Mason ,  Kevin P. Pochopien ,  Danny R. White

    发明人： Terry D. Claar ,  Steven M. Mason ,  Kevin P. Pochopien ,  Danny R. White

    IPC分类号： C04B35/58 ,  C04B35/56 ,  C04B35/563 ,  C04B35/622 ,  C04B35/65 ,  C04B41/50 ,  C04B41/87 ,  C22C29/00 ,  C22C29/14

    CPC分类号： C04B41/009 ,  C04B35/56 ,  C04B35/5607 ,  C04B35/5611 ,  C04B35/5622 ,  C04B35/5805 ,  C04B35/58064 ,  C04B35/58071 ,  C04B35/58078 ,  C04B35/652 ,  C04B35/653 ,  C04B41/5062 ,  C04B41/87 ,  C22C29/00

    摘要： Self-supporting bodies are produced by reactive infiltration of a parent metal into boron carbide typically resulting in a composite comprising a boron-containing compound and metal. The mass to be infiltrated may contain one or more inert fillers admixed with the boron carbide, or at least one carbon donor material, to produce a composite by reactive infiltration, which composite comprises a matrix of metal and boron-containing compound embedding the filler. In one embodiment of the invention, a parent metal is reactively infiltrated into a mass comprising a boron carbide material mixed with a carbon-containing compound. In this embodiment, a self-supporting composite is formed typically comprising a boron-containing compound, a carbon-containing compound, and metal. The relative amounts of reactants and process conditions may be altered or controlled to yield a body containing varying volume percents of ceramic, metal and/or porosity. The mass to be infiltrated can be contained within a refractory vessel having a venting means included therein.

    摘要翻译： 通过将母体金属反应性浸渗到碳化硼中而产生自支撑体，通常产生包含含硼化合物和金属的复合材料。 待渗透的物质可以含有一种或多种与碳化硼或至少一种碳供体材料混合的惰性填料，以通过反应性渗透产生复合材料，该复合材料包含嵌入填料的金属和含硼化合物的基质。 在本发明的一个实施方案中，母体金属被反应地渗透到包含与含碳化合物混合的碳化硼材料的组合物中。 在该实施方案中，通常包含含硼化合物，含碳化合物和金属的自支撑复合材料。 可以改变或控制反应物和工艺条件的相对量，以产生包含不同体积百分比的陶瓷，金属和/或孔隙的体。 待渗透的物质可以包含在其中包括排气装置的耐火容器中。

    Method for forming bodies by reactive infiltration
    6.
    发明授权
    Method for forming bodies by reactive infiltration 失效
    通过反应性渗透形成体的方法

    公开(公告)号：US5520880A

    公开(公告)日：1996-05-28

    申请号：US307649

    申请日：1994-09-19

    申请人： William B. Johnson ,  Eugene S. Park ,  Gerhard H. Schiroky ,  Danny R. White ,  Terry D. Claar

    发明人： William B. Johnson ,  Eugene S. Park ,  Gerhard H. Schiroky ,  Danny R. White ,  Terry D. Claar

    IPC分类号： B22F3/10 ,  C04B35/65 ,  C04B41/45 ,  C04B41/50 ,  C22C1/10 ,  B22F7/00

    CPC分类号： C04B41/009 ,  C04B35/652 ,  C04B41/4556 ,  C04B41/5071 ,  C22C1/1036

    摘要： This invention relates to a method for producing a self-supporting body comprising the steps of:(a) forming a permeable mass comprising at least one solid-phase oxidant selected from the group consisting of the halogens, sulphur and its compounds, metals, metal oxides other than the silicates, and metal nitrides other than those of boron and silicon;(b) orienting said permeable mass and a source of said parent metal relative to each other so that formation of said oxidation reaction product will occur into said permeable mass;(c) heating said source of parent metal to a temperature above the melting point of said parent metal but below the melting point of said oxidation reaction product to form a body of molten parent metal;(d) reacting said body of molten parent metal with said at least one solid-phase oxidant at said temperature to permit said oxidant at said temperature to permit said oxidation reaction product to form; and(e) maintaining at least a portion of said at least one oxidation reaction product in contact with and between said molten parent metal and said solid-phase oxidant at said temperature to progressively draw molten parent metal through said oxidation reaction product towards said solid-phase oxidant to permit fresh oxidation reaction product to continue to form at an interface between said solid-phase oxidant and previously formed oxidation reaction product that has infiltrated said permeable mass.

    摘要翻译： PCT No.PCT / US93 / 02582 Sec。 371日期1994年9月19日 102（e）1994年9月19日PCT 1993年3月19日PCT公布。 公开号WO93 / 18877 本发明涉及一种用于生产自支撑体的方法，包括以下步骤：（a）形成可渗透物质，其包含至少一种选自卤素，硫的固相氧化剂 及其化合物，金属，除硅酸盐以外的金属氧化物以及不同于硼和硅的金属氮化物; （b）使所述可渗透物质和所述母体金属源相对于彼此定向，使得所述氧化反应产物的形成将发生在所述可渗透物质中; （c）将所述母体金属源加热到高于所述母体金属的熔点但低于所述氧化反应产物的熔点的温度，以形成熔融母体金属体; （d）在所述温度下使熔融母体金属体与所述至少一种固相氧化剂反应，以允许所述氧化剂在所述温度下使所述氧化反应产物形成; 和（e）在所述温度下保持所述至少一种氧化反应产物的至少一部分与所述熔融母体金属和所述固相氧化剂之间和之间接触并逐渐地将熔融母体金属通过所述氧化反应产物朝向所述固体 - 以允许新鲜氧化反应产物在所述固相氧化剂和已经渗透所述渗透物质的预先形成的氧化反应产物之间的界面处继续形成。

    Additives for property modification in ceramic composite bodies
    7.
    发明授权
    Additives for property modification in ceramic composite bodies 失效
    陶瓷复合材料的改性添加剂

    公开(公告)号：US5403790A

    公开(公告)日：1995-04-04

    申请号：US960407

    申请日：1993-01-11

    申请人： Terry D. Claar ,  Gerhard H. Schiroky ,  Kevin P. Pochopien ,  Vilupanur A. Ravi ,  James C. Wang ,  Ratnesh K. Dwivedi

    发明人： Terry D. Claar ,  Gerhard H. Schiroky ,  Kevin P. Pochopien ,  Vilupanur A. Ravi ,  James C. Wang ,  Ratnesh K. Dwivedi

    IPC分类号： C04B35/56 ,  C04B35/58 ,  C04B35/65 ,  C04B41/50 ,  C04B41/87 ,  C22C29/00 ,  C22C29/06 ,  B22F3/26

    CPC分类号： C04B35/563 ,  C04B35/5622 ,  C04B35/58078 ,  C04B35/65 ,  C04B35/652 ,  C04B41/5062 ,  C04B41/87 ,  C22C29/00 ,  C22C29/06 ,  C22C29/062

    摘要： This invention relates generally to a novel method of manufacturing a composite body. More particularly, the present invention relates to a method for modifying the resultant properties of a composite body, by, for example, minimizing the amount of porosity present in the composite body. Moreover, additives, whether used alone or in combination, (1) can be admixed with the permeable mass, (2) can be mixed or alloyed with the parent metal, (3) can be placed at an interface between the parent metal and the preform or mass of filler material, (4) or any combination of the aforementioned methods, to modify properties of the resultant composite body. Particularly, additives such as VC, NbC, WC, W.sub.2 B.sub.5, TaC, ZrC, ZrB.sub.2, SiB.sub.6, SiC, MgO, Al.sub.2 O.sub.3, ZrO.sub.2, CeO.sub.2, Y.sub.2 O.sub.3, La.sub.2 O.sub.3, MgAl.sub.2 O.sub.4, HfO.sub.2, ZrSiO.sub.4, Yb.sub.2 O.sub.3 and Mo.sub.2 B.sub.5 can be combined with the permeable mass in an amount of about 5-50 percent by weight, prior to reactively infiltrating the permeable mass. Moreover, an additive may also include substantially pure elemental metals (e.g., Nb, Ti, Hf, V, Ta, Cr, Mo, Al, Cr, Si, Co and W) which may be provided by any of the methods discussed above herein.

    摘要翻译： PCT No.PCT / US91 / 04951 Sec。 371日期：1993年1月11日 102（e）日期1993年1月11日PCT PCT 1991年7月12日PCT公布。 公开号WO92 / 00933 日本1992年1月23日。本发明一般涉及一种制造复合体的新方法。 更具体地说，本发明涉及通过例如最小化复合体中存在的孔隙率来改变复合体的合成性能的方法。 此外，无论单独使用还是组合使用，添加剂（1）均可与可渗透物质混合，（2）可与母体金属混合或合金化，（3）可置于母体金属与母体金属之间的界面处 填充材料的预制件或质量，（4）或上述方法的任何组合，以改变所得复合材料的性能。 特别地，可以将诸如VC，NbC，WC，W2B5，TaC，ZrC，ZrB2，SiB6，SiC，MgO，Al2O3，ZrO2，CeO2，Y2O3，La2O3，MgAl2O4，HfO2，ZrSiO4，Yb2O3和Mo2B5的添加剂与渗透性 在反应性渗透可渗透物质之前，其质量为约5-50重量％。 此外，添加剂还可以包括可以通过上述任何方法提供的基本上纯的元素金属（例如，Nb，Ti，Hf，V，Ta，Cr，Mo，Al，Cr，Si，Co和W） 。

    Method of producing and modifying the properties of ceramic composite bodies
    8.
    发明授权
    Method of producing and modifying the properties of ceramic composite bodies 失效
    制造和改性陶瓷复合材料性能的方法

    公开(公告)号：US5066622A

    公开(公告)日：1991-11-19

    申请号：US554100

    申请日：1990-07-13

    申请人： Terry D. Claar ,  Gerhard H. Schiroky ,  Kevin P. Pochopien

    发明人： Terry D. Claar ,  Gerhard H. Schiroky ,  Kevin P. Pochopien

    IPC分类号： C04B35/65 ,  C04B41/50 ,  C04B41/87 ,  C22C29/00 ,  C22C29/06

    CPC分类号： C04B41/87 ,  C04B35/652 ,  C04B41/5062 ,  C22C29/00 ,  C22C29/06 ,  C22C29/062

    摘要： This invention relates generally to a novel method of manufacturing a composite body. More particularly, the present invention relates to a method for modifying the resultant properties of a composite body, by, for example, minimizing the amount of porosity present in the composite body. Additives such as TaC, ZrC, ZrB.sub.2, VC, NbC, WC, W.sub.2 B.sub.5 and/or MoO.sub.2 B.sub.5 can be combined with a boron carbide material which is thereafter reactively infiltrated by a parent metal. The composite body comprises one or more boron-containing compounds (e.g., a boride or a boride and a carbide) which is made by the reactive infiltration of molten parent metal into the boron carbide mass. Particular emphasis is placed upon modifying the properties of a ZrB.sub.2 -ZrC-Zr composite body. However, the methods disclosed in the application are believed to be generic to a number of parent metals and preform materials.

    摘要翻译： 本发明一般涉及复合体的新型制造方法。 更具体地说，本发明涉及通过例如最小化复合体中存在的孔隙率来改变复合体的合成性能的方法。 添加剂如TaC，ZrC，ZrB2，VC，NbC，WC，W2B5和/或MoO2B5可与碳化硼材料组合，然后碳化硼材料随后由母体金属反应渗透。 复合体包含一种或多种通过熔融母体金属反应性浸渗到碳化硼块中制成的含硼化合物（例如硼化物或硼化物和碳化物）。 特别强调改性ZrB2-ZrC-Zr复合体的性能。 然而，本申请中公开的方法被认为是对许多母体金属和预成型材料的通用。

    Method of making metal matrix composite with the use of a barrier
    9.
    发明授权
    Method of making metal matrix composite with the use of a barrier 失效
    使用屏障制作金属基复合材料的方法

    公开(公告)号：US5482778A

    公开(公告)日：1996-01-09

    申请号：US179463

    申请日：1994-01-10

    申请人： Michael K. Aghajanian ,  Terry D. Claar

    发明人： Michael K. Aghajanian ,  Terry D. Claar

    IPC分类号： C04B35/65 ,  C04B41/51 ,  C04B41/88 ,  C22C1/10 ,  C04B35/00

    CPC分类号： C04B35/652 ,  C04B41/5155 ,  C04B41/88 ,  C22C1/1036 ,  C22C2001/1063 ,  Y10T428/12007 ,  Y10T428/12486 ,  Y10T428/12576 ,  Y10T428/12583 ,  Y10T428/12736 ,  Y10T428/30

    摘要： A net shaped ceramic-reinforced aluminum matrix composite is provided by forming a permeable mass of ceramic material with a defined surface boundary having a barrier, and contacting a molten aluminum-magnesium alloy with the permeable mass of ceramic material in the presence of a gas comprising from about 10 to 100% nitrogen, by volume, balance nonoxidizing gas, e.g. hydrogen or argon. Under these conditions, the molten alloy spontaneously infiltrates the ceramic mass under normal atmospheric pressures until it reaches the barrier. A solid body of the alloy can be placed adjacent to a permeable bedding of ceramic material having a barrier, and brought to the molten state, preferably to at least about 700.degree. C., in order to form the net shape aluminum matrix composite by spontaneous infiltration. In addition to magnesium, auxiliary alloying elements may be employed with aluminum. The resulting composite products may contain a discontinuous aluminum nitride phase in the aluminum matrix.

    摘要翻译： 通过形成具有限定的具有阻挡层的表面边界的陶瓷材料的可渗透物质，并且在熔融的铝 - 镁合金与可渗透的陶瓷材料的物质的存在下，在气体存在下接触，形成网状陶瓷增强的铝基复合材料，所述气体包括 约10至100％的氮气（体积），平衡非氧化气体，例如 氢或氩。 在这些条件下，熔融合金在正常大气压力下自发渗透到陶瓷块中直至达到屏障。 合金的固体可以邻近具有阻挡层的陶瓷材料的可渗透层，并且进入熔融状态，优选至少约700℃，以便通过自发形成网状铝基复合材料 浸润。 除了镁之外，辅助合金元素可以与铝一起使用。 所得到的复合产品可能在铝基体中含有不连续的氮化铝相。

    Methods of making composite aluminum nitride ceramic articles having embedded filler
    10.
    发明授权
    Methods of making composite aluminum nitride ceramic articles having embedded filler 失效
    制备具有嵌入填料的复合氮化铝陶瓷制品的方法

    公开(公告)号：US5420085A

    公开(公告)日：1995-05-30

    申请号：US7387

    申请日：1993-01-21

    申请人： Marc S. Newkirk ,  Harry R. Zwicker ,  Andrew W. Urquhart ,  Harold D. Lesher ,  Terry D. Claar ,  Michael K. Aghajanian ,  John P. Biel, Jr.

    发明人： Marc S. Newkirk ,  Harry R. Zwicker ,  Andrew W. Urquhart ,  Harold D. Lesher ,  Terry D. Claar ,  Michael K. Aghajanian ,  John P. Biel, Jr.

    IPC分类号： C04B35/65 ,  C04B35/76 ,  C04B35/80 ,  C04B41/50 ,  C04B41/87 ,  C04B35/58

    CPC分类号： C04B41/5025 ,  C04B35/652 ,  C04B35/76 ,  C04B35/80 ,  C04B41/87

    摘要： A method of making self-supporting ceramic composite structures having filler embedded therein includes infiltrating a permeable mass of filler with polycrystalline material comprising an oxidation reaction product obtained by oxidation of a parent metal such as aluminum and optionally, containing therein non-oxidized constituents of the parent metal. The structure is formed by placing a parent metal adjacent to a permeable filler and heating the assembly to melt the parent metal and provide a molten body of parent metal which is contacted with a suitable vapor-phase oxidant. Within a certain temperature region and optionally, aided by one or more dopants in or on the parent metal, molten parent metal will migrate through previously formed oxidation reaction product into contact with the oxidant, causing the oxidation reaction product to grow so as to embed the adjacent filler and provide the composite structure. In a preferred embodiment, a parent metal comprising aluminum is oxidized by a vapor-phase oxidant comprising nitrogen to form a ceramic matrix comprising an aluminum nitride oxidation reaction product. In a particularly preferred embodiment, one or more protective coatings are applied to the filler prior to formation of the aluminum nitride oxidation reaction product matrix.

    摘要翻译： 制造具有嵌入其中的填料的自支撑陶瓷复合结构的方法包括用多晶材料渗透可渗透的填料，所述多晶材料包含通过氧化母体金属如铝而获得的氧化反应产物，并且任选地含有其中的非氧化成分 母金属。 通过将母体金属放置在可渗透填料附近并加热该组件以熔化母体金属并提供与合适的气相氧化剂接触的母体金属的熔融体来形成结构。 在一定温度范围内，任选地，由母体金属中或母体金属上的一种或多种掺杂剂辅助，熔融母体金属将迁移通过预先形成的氧化反应产物与氧化剂接触，使氧化反应产物生长，从而嵌入 相邻填料并提供复合结构。 在优选的实施方案中，包含铝的母体金属被包含氮的气相氧化剂氧化以形成包含氮化铝氧化反应产物的陶瓷基体。 在特别优选的实施方案中，在形成氮化铝氧化反应产物基质之前，将一种或多种保护性涂料施加到填料上。