Tooling materials for molds
    81.
    发明授权
    Tooling materials for molds 失效
    模具模具材料

    公开(公告)号:US5458480A

    公开(公告)日:1995-10-17

    申请号:US70439

    申请日:1993-10-06

    CPC分类号: B29C33/38 B22F5/007 C04B35/80

    摘要: This invention relates generally to the fabrication of materials for use as tools in various applications. Specific emphasis is placed upon certain ceramic matrix composite materials and metal matrix composite materials for use as tools as well as certain ceramic matrix composite and/or metal matrix composite coatings on substrate materials, also for use as tools. This invention makes specific reference to a number of different materials for use as tools in the molding of thermoplastic materials (e.g., polymers, plastics, ceramics, glasses, metals) with particular emphasis being directed to the thermoplastic molding of plastics or polymers.

    摘要翻译: PCT No.PCT / US91 / 09118 Sec。 371日期:1993年10月6日 102(e)1993年10月6日授权PCT 1991年12月5日提交。本发明一般涉及用作各种应用中的工具的材料的制造。 特别强调某些陶瓷基复合材料和金属基复合材料用作工具以及用作基板材料的某些陶瓷基体复合材料和/或金属基复合涂层,也可用作工具。 本发明具体参考许多不同的材料,用作模制热塑性材料(例如聚合物,塑料,陶瓷,玻璃,金属)中的工具,特别强调的是塑料或聚合物的热塑性模塑。

    Set up for making shaped ceramic composites with the use of a barrier
means and articles produced thereby
    82.
    发明授权
    Set up for making shaped ceramic composites with the use of a barrier means and articles produced thereby 失效
    用于制造成型陶瓷复合材料,使用隔离装置和由此生产的制品

    公开(公告)号:US5436209A

    公开(公告)日:1995-07-25

    申请号:US107425

    申请日:1993-08-16

    IPC分类号: C04B35/65 C04B35/71 C04B35/80

    摘要: In the present invention, there is described a setup for producing a self-supporting ceramic body or ceramic composite by the oxidation of a parent metal to form a polycrystalline ceramic material comprising the oxidation reaction product of said parent metal with an oxidant, including a vapor-phase oxidant, and optionally one or more metallic constituents dispersed throughout the polycrystalline ceramic material. The setup is used with a method which comprises the steps of providing at least a portion of said parent metal with a barrier means at least partially spaced from said parent metal for establishing at least one surface of the ceramic body, and heating said parent metal to a temperature above its melting point but below the melting point of the oxidation reaction product to form a body of molten metal. At that temperature, the molten metal is reacted with the oxidant, thus forming the oxidation reaction product. At least a portion of the oxidation reaction product is maintained in contact with and between the molten metal and oxidant to transport the molten metal through the oxidation reaction product toward the barrier means and into contact with fresh oxidant so that the oxidation reaction product continues to form at an interface between the oxidant and previously formed oxidation reaction product. The reaction is continued until the oxidation reaction product contacts the barrier means to produce a ceramic body having the surface established by the barrier means. A shaped ceramic composite is formed by superimposing a barrier means onto either a loose mass of filler material or a self-supporting preform and infiltrating the mass of filler or preform with the polycrystalline ceramic matrix, which grows until it contacts the barrier means.

    摘要翻译: 在本发明中,描述了通过母体金属的氧化来生产自支撑陶瓷体或陶瓷复合体的装置,以形成多晶陶瓷材料,该多晶陶瓷材料包括所述母体金属的氧化反应产物与氧化剂,包括蒸汽 相氧化剂和任选的一种或多种分散在整个多晶陶瓷材料中的金属成分。 该装置使用的方法包括以下步骤:使所述母体金属的至少一部分具有与所述母体金属至少部分间隔开的阻挡装置,用于建立陶瓷体的至少一个表面,并将所述母体金属加热到 高于其熔点但低于氧化反应产物的熔点的温度以形成熔融金属体。 在该温度下,熔融金属与氧化剂反应,形成氧化反应产物。 氧化反应产物的至少一部分保持与熔融金属和氧化剂接触并且在熔融金属和氧化剂之间传输熔融金属通过氧化反应产物朝向阻挡装置并与新鲜的氧化剂接触,使得氧化反应产物继续形成 在氧化剂和预先形成的氧化反应产物之间的界面处。 反应继续进行,直到氧化反应产物与阻挡装置接触以产生具有通过阻挡装置建立的表面的陶瓷体。 通过将隔离装置叠加在松散的填充材料或自支撑预成型件上并将多孔陶瓷基体浸入填料或预成型体中,形成成形的陶瓷复合材料,该多晶陶瓷基体生长直到与阻挡装置接触。

    Shaped ceramic composites with a barrier
    83.
    发明授权
    Shaped ceramic composites with a barrier 失效
    形状陶瓷复合材料与屏障

    公开(公告)号:US5236786A

    公开(公告)日:1993-08-17

    申请号:US659523

    申请日:1991-02-22

    IPC分类号: C04B35/65 C04B35/71 C04B35/80

    摘要: In the present invention there is provided a method for producing a self-supporting ceramic or ceramic composite body by the oxidation of a parent metal to form a polycrystalline ceramic material comprising the oxidation reaction product of said parent metal with an oxidant, including a vaporphase oxidant, and optionally one or more metallic constituents dispersed throughout the polylcrystalline ceramic material. The method comprises the steps of providing at least a portion of said parent metal for establishing at least one surface of the ceramic body, and heating said parent metal to a temperature above its melting point but below the melting point of the oxidation reaction product to form a body of molten metal. At that temperature, the molten metal is reacted with the oxidant, thus forming the oxidation reaction product. At least a portion of the oxidation reaction product is maintained in contact with and between the molten metal and oxidant to transport the molten metal through the oxidation reaction product toward the barrier means and into contact with the oxidant so that fresh oxidation reaction product continues to form at an interface between the oxidant and previously formed oxidation reaction product. The reaction is continued until the oxidation reaction product contacts the barrier means to produce a ceramic body having the surface established by the barrier means. A shaped ceramic composite is formed by superimposing a barrier means onto either a loose mass of filler material or a self-supporting preform, and infiltrating the mass of filler or preform with the polycrystalline ceramic matrix, which grows until it contacts the barrier means.

    摘要翻译: 在本发明中,提供了一种通过母体金属的氧化来制造自支撑陶瓷或陶瓷复合体的方法,以形成包含所述母体金属与氧化剂的氧化反应产物的多晶陶瓷材料,所述氧化剂包括气相氧化剂 ,以及任选地分散在整个多晶陶瓷材料中的一种或多种金属成分。 该方法包括以下步骤:提供所述母体金属的至少一部分以建立陶瓷体的至少一个表面,并将所述母体金属加热至高于其熔点但低于氧化反应产物的熔点的温度,以形成 一团熔融金属。 在该温度下,熔融金属与氧化剂反应,形成氧化反应产物。 氧化反应产物的至少一部分保持与熔融金属和氧化剂接触并且在熔融金属和氧化剂之间输送熔融金属通过氧化反应产物朝向阻挡装置并与氧化剂接触,使得新鲜的氧化反应产物继续形成 在氧化剂和预先形成的氧化反应产物之间的界面处。 反应继续进行,直到氧化反应产物与阻挡装置接触以产生具有通过阻挡装置建立的表面的陶瓷体。 通过将隔离装置叠加在松散的填充材料或自支撑预成型件上,并将多孔陶瓷基体浸入填料或预成型体中,形成成形的陶瓷复合材料,该多晶陶瓷基体生长直至与阻挡装置接触。

    Shaped ceramic composites and methods of making the same
    84.
    发明授权
    Shaped ceramic composites and methods of making the same 失效
    成型陶瓷复合材料及其制作方法

    公开(公告)号:US5162273A

    公开(公告)日:1992-11-10

    申请号:US659481

    申请日:1991-02-25

    IPC分类号: C04B35/65 C04B35/71 C04B35/80

    摘要: Self-supporting ceramic composite bodies of desired shape are produced by infiltrating a permeable self-supporting preform with polycrystalline matrix material comprising an oxidation reaction product obtained by oxidation of a parent metal precursor, such as aluminum, and optionally containing therein metallic constituents. The composite body is formed by contacting a zone of a permeable self-supporting preform, having at least one defined surface boundary spaced from said contacting zone, with a body of molten metal which is reacted with a suitable vapor-phase oxidant to form an oxidation reaction product. Within a certain temperature region, and optionally with one or more dopants in or on the parent metal or said permeable preform, molten parent metal migrates through previously formed oxidation reaction product into contact with the oxidant, causing the oxidation reaction product to grow into the preform toward said defined surface boundary so as to infiltrate the preform up to said defined surface boundary with the oxidation reaction product, thus providing the composite structure of desired geometry.

    摘要翻译: 将具有所需形状的自支撑陶瓷复合体通过渗透具有多晶基体材料的可渗透的自支撑预制件来制造,所述多晶基体材料包括通过母体金属前体如铝氧化而形成的氧化反应产物,并且任选地含有金属成分。 复合体通过将具有至少一个限定的表面边界与所述接触区间隔开的可渗透的自支撑预成型件的区域与熔融金属体接触而形成,该主体与合适的气相氧化剂反应以形成氧化物 反应产物。 在一定的温度范围内,并且任选地在母体金属或所述可渗透的预制件中或之上具有一种或多种掺杂剂,熔融母体金属通过预先形成的氧化反应产物迁移到与氧化剂接触的位置,使氧化反应产物生长到预制件中 朝向所述限定的表面边界,以便将氧化反应产物渗入预型体直到所述限定的表面边界,从而提供所需几何形状的复合结构。

    Ceramic articles with a polymer component and methods of making same
    85.
    发明授权
    Ceramic articles with a polymer component and methods of making same 失效
    具有聚合物组分的陶瓷制品及其制备方法

    公开(公告)号:US5110675A

    公开(公告)日:1992-05-05

    申请号:US415181

    申请日:1989-09-29

    申请人: Marc S. Newkirk

    发明人: Marc S. Newkirk

    IPC分类号: C04B35/65 C04B41/48 C04B41/83

    摘要: A self-supporting ceramic body having a polymer component, which includes first providing a self-supporting ceramic body comprising (i) a polycrystalline oxidation reaction product formed upon oxidation of a molten parent metal with an oxidant, and (ii) interconnected porosity at least partially accessible from one or more surfaces of said ceramic body. The polymer is disposed or formed within the interconnected porosity. The polymer is situated so as to alter, modify or contribute to the properties of the ceramic body originally formed.

    摘要翻译: 一种具有聚合物组分的自支撑陶瓷体,其包括首先提供自支撑陶瓷体,其包括(i)在氧化剂氧化熔融母体金属时形成的多晶氧化反应产物,和(ii)至少互连的孔隙率 部分地可从所述陶瓷体的一个或多个表面接近。 聚合物被设置或形成在互连孔隙内。 聚合物的位置是为了改变,改变或有助于最初形成的陶瓷体的性质。

    Reservoir feed method of making ceramic composite structures and
structures made thereby
    86.
    发明授权
    Reservoir feed method of making ceramic composite structures and structures made thereby 失效
    由此制作陶瓷复合结构和结构的储层进料方法

    公开(公告)号:US5086019A

    公开(公告)日:1992-02-04

    申请号:US478845

    申请日:1990-02-12

    IPC分类号: B28B7/34 C04B35/65

    摘要: A method for producing a self-supporting ceramic composite structure comprising a ceramic matrix embedding a filler, includes oxidizing a parent metal to form a polycrystalline material comprising the oxidation reaction product of the parent metal and, optionally, one or more metallic constituents. The method includes heating the parent metal to provide a source of molten parent metal and a reservoir of molten metal which is in communication with the parent metal and contacting the molten parent metal with a permeable bedding of filler. The molten parent metal reacts with the oxidant to form the oxidation reaction product and is replenished by the reservoir as the reacting continues for a time sufficient to grow the oxidation reaction product to a desired extent and thereby embed at least a portion of the bedding of filler within the oxidation reaction product to form the ceramic composite structure. The bedding of filler may have any suitable shape, including that of a hollow body, the interior of which is contacted by the molten parent metal to grow the oxidation reaction product through the shaped, hollow body of filler.

    摘要翻译: 一种生产包含填充填料的陶瓷基体的自支撑陶瓷复合结构体的方法包括氧化母体金属以形成包含母体金属和任选的一种或多种金属成分的氧化反应产物的多晶材料。 该方法包括加热母体金属以提供熔融母体金属源和与母体金属连通并与熔融母体金属与填充物的可渗透层合物接触的熔融金属储存器。 熔融母体金属与氧化剂反应形成氧化反应产物,并由储存器补充,因为反应继续进行足以将氧化反应产物生长至所需程度的时间,从而嵌入填料填料的至少一部分 在氧化反应产物内形成陶瓷复合结构。 填料的床垫可以具有任何合适的形状,包括中空体的形状,其内部与熔融母体金属接触,以通过成型的中空填料体生长氧化反应产物。

    Composite ceramic structures
    87.
    发明授权
    Composite ceramic structures 失效
    复合陶瓷结构

    公开(公告)号:US5053367A

    公开(公告)日:1991-10-01

    申请号:US541437

    申请日:1990-06-22

    IPC分类号: C04B35/65

    CPC分类号: C04B35/652

    摘要: A self-supporting ceramic composite body produced by a method body which comprises preparing a polycrystalline material as the oxidation reaction product of a parent metal with a vapor-phase oxidant, comminuting the resulting material to a particulate, forming a permeable mass of said particulate as filler, and infiltrating said particulate with an oxidation reaction product of a parent metal with a vapor-phase oxidant, thereby forming said ceramic composite body.

    摘要翻译: 一种通过方法体制造的自支撑陶瓷复合体,包括制备作为母体金属与气相氧化剂的氧化反应产物的多晶材料,将所得材料粉碎成颗粒,形成所述颗粒的可渗透物质作为 填料,并用母体金属与气相氧化剂的氧化反应产物渗透所述颗粒,从而形成所述陶瓷复合体。

    Ceramic articles with a polymer component and methods of making same
    88.
    发明授权
    Ceramic articles with a polymer component and methods of making same 失效
    具有聚合物组分的陶瓷制品及其制备方法

    公开(公告)号:US4892786A

    公开(公告)日:1990-01-09

    申请号:US67522

    申请日:1987-06-26

    申请人: Marc S. Newkirk

    发明人: Marc S. Newkirk

    摘要: A method of producing self-supporting ceramic or ceramic composite bodies having a polymer component, which includes first providing a self-supporting ceramic or ceramic composite body comprising (i) a polycrystalline oxidation reaction product formed upon oxidation of a molten parent metal with an oxidant, and (ii) interconnected porosity at least partially accessible from one or more surfaces of said ceramic body. The polymer is disposed or formed within the interconnected porosity. The polymer is situated so as to alter, modify or contribute to the properties of the ceramic or ceramic composite body originally formed.

    摘要翻译: 一种制备具有聚合物组分的自支撑陶瓷或陶瓷复合体的方法,其包括首先提供自支撑陶瓷或陶瓷复合体,其包括(i)在熔融母体金属氧化氧化剂时形成的多晶氧化反应产物 ,和(ii)至少部分可从所述陶瓷体的一个或多个表面接近的互连孔隙。 聚合物被设置或形成在互连孔隙内。 聚合物的位置是为了改变,改变或有助于最初形成的陶瓷或陶瓷复合体的性质。

    Method for producing ceramic abrasive materials
    90.
    发明授权
    Method for producing ceramic abrasive materials 失效
    陶瓷研磨材料的生产方法

    公开(公告)号:US4867758A

    公开(公告)日:1989-09-19

    申请号:US894229

    申请日:1986-08-07

    申请人: Marc S. Newkirk

    发明人: Marc S. Newkirk

    IPC分类号: B24D3/14 C04B35/65 C09K3/14

    CPC分类号: C04B35/652 C09K3/1409

    摘要: In the present invention there is provided a method for producing abrasive ceramic and ceramic composite material characterized by an abrasive grain as the comminuted form of a polycrystalline ceramic material. The abrasive grains of the present invention consist essentially of the oxidation reaction product of a parent metal precursor with a vapor phase oxidant, and, optionally one or more metallic constituents such as non-oxidized constituents of the parent metal. There is also provided a method for producing abrasive grains which additionally consist of one or more inert filler materials.