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    • 3. 发明授权
    • Inverse shape replication method of making ceramic composite articles
and articles obtained thereby
    • 制造陶瓷复合制品的反型复制方法及由此得到的制品
    • US5275987A
    • 1994-01-04
    • US983191
    • 1992-11-30
    • Marc S. NewkirkAndrew W. UrquhartH. Daniel Lesher
    • Marc S. NewkirkAndrew W. UrquhartH. Daniel Lesher
    • C04B35/622C04B35/117C04B35/65C04B35/10
    • C04B35/117C04B35/652C04B2235/3217C04B2235/3418C04B2235/3826C04B2235/401C04B2235/402C04B2235/428C04B2235/6028C04B2235/80Y10T428/249987
    • A method of producing a self-supporting ceramic composite body having therein at least one cavity which inversely replicates the geometry of a positive mold of parent metal. The method includes embedding the mold of parent metal within a conformable bed of filler to provide therein a cavity shaped and filled by the mold. The assembly is heated to melt the parent metal mold, e.g., an aluminum parent metal mold, and contacted with an oxidant to oxidize the molten parent metal to form a polycrystalline material which grows through the surrounding bed of filler, the molten metal being drawn through the growing polycrystalline material to be oxidized at the interface between the oxidant and previously formed oxidation reaction product whereby the cavity formerly filled by the mold of parent metal is eventually evacuated of the metal. There remains behind a cavity whose shape inversely replicates the original shape of the mold. The method provides ceramic composite articles having therein at least one cavity inversely replicating the shape of the mold which supplied the parent metal for oxidation.
    • 一种自支撑陶瓷复合体的制造方法,其中具有至少一个反向复制母体金属正模的几何形状的空腔。 该方法包括将母体金属模具嵌入到适形的填料床中,以在其中提供由模具成型并填充的空腔。 将组件加热以熔化母体金属模具,例如铝母体金属模具,并与氧化剂接触以氧化熔融母体金属,以形成通过周围的填料床生长的多晶材料,熔融金属被吸入 在氧化剂和预先形成的氧化反应产物之间的界面处被氧化的生长中的多晶材料,由此母体金属的模具以前被填充的空腔最终被排出金属。 在其后面仍然存在一个模腔,其形状相反地复制了模具的原始形状。 该方法提供了陶瓷复合材料制品,其中具有至少一个空腔,其相反地复制了供应母体金属进行氧化的模具的形状。
    • 4. 发明授权
    • Inverse shape replication method of making ceramic composite articles
    • 制造陶瓷复合制品的逆形复制方法
    • US4828785A
    • 1989-05-09
    • US823542
    • 1986-01-27
    • Marc S. NewkirkAndrew W. UrquhartH. Daniel Lesher
    • Marc S. NewkirkAndrew W. UrquhartH. Daniel Lesher
    • C04B35/622C04B35/117C04B35/65
    • C04B35/117C04B35/652C04B2235/3217C04B2235/3418C04B2235/3826C04B2235/401C04B2235/402C04B2235/428C04B2235/6028C04B2235/80Y10T428/249987
    • A method of producing a self-supporting ceramic composite body having therein at least one cavity which inversely replicates the geometry of a positive mold of parent metal. The method, includes embedding the mold of parent metal within a conformable bed of filler to provide there in a cavity shaped and filled by the mold. The assembly is heated to melt the parent metal mold, e.g., an aluminum parent metal mold, and contacted with an oxidant to oxidize the molten parent metal to form a polycrystalline material which grows through the surrounding bed of filler, the molten metal being drawn through the growing polycrystalline material to be oxidized at the interface between the oxidant and previously formed oxidation reaction product whereby the cavity formerly filled by the mold of parent metal is eventually evacuated of the metal. There remains behind a cavity whose shape inversely replicates the original shape of the mold. The method provides ceramic composite articles having therein at least one cavity inversely replicating the shape of the mold which supplied the parent metal for oxidation.
    • 一种自支撑陶瓷复合体的制造方法,其中具有至少一个反向复制母体金属正模的几何形状的空腔。 该方法包括将母体金属模具嵌入适形的填料床中,以在模具中形成并填充的空腔中。 将组件加热以熔化母体金属模具,例如铝母体金属模具,并与氧化剂接触以氧化熔融母体金属,以形成通过周围的填料床生长的多晶材料,熔融金属被吸入 在氧化剂和预先形成的氧化反应产物之间的界面处被氧化的生长中的多晶材料,由此母体金属的模具以前被填充的空腔最终被排出金属。 在其后面仍然存在一个模腔,其形状相反地复制了模具的原始形状。 该方法提供了在其中具有至少一个空腔的陶瓷复合制品,其反向复制了供给母体金属进行氧化的模具的形状。
    • 7. 发明授权
    • Composite ceramic articles
    • 复合陶瓷制品
    • US5187130A
    • 1993-02-16
    • US659473
    • 1991-02-25
    • Marc S. NewkirkAndrew W. UrquhartHarry R. ZwickerH. Daniel Lesher
    • Marc S. NewkirkAndrew W. UrquhartHarry R. ZwickerH. Daniel Lesher
    • C04B35/65C04B35/76C04B35/80C04B41/50C04B41/87
    • C04B41/87C04B35/652C04B35/76C04B35/80C04B41/5025
    • Self supporting ceramic composite structures having filler embedded therein produced by a method which 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.
    • 具有嵌入其中的填料的自支撑陶瓷复合结构体通过包括通过氧化母体金属如铝并且任选地含有母体的非氧化成分而获得的氧化反应产物的多晶材料渗透渗透性的方法制备的填料 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,并且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,导致氧化反应产物生长以便嵌入相邻 填料并提供复合结构。
    • 9. 发明授权
    • Surface bonding of ceramic bodies
    • 表面粘结陶瓷体
    • US5238886A
    • 1993-08-24
    • US868077
    • 1992-04-13
    • Stanley J. LuszczAndrew W. UrquhartMarc S. Newkirk
    • Stanley J. LuszczAndrew W. UrquhartMarc S. Newkirk
    • C04B35/65C04B37/00
    • C04B37/001C04B35/652C04B35/657C04B2235/5224C04B2235/656C04B2237/064C04B2237/403Y10T428/12007Y10T428/12153Y10T428/12167Y10T428/12611Y10T428/12618Y10T428/12667
    • Ceramic bodies are bonded together via a layer of an oxidation reaction product of a molten metal, which metal is present in one or both of the ceramic bodies prior to bonding. At least one of the ceramic bodies comprises a ceramic product formed by the oxidation reaction of molten parent metal (e.g., alumina from molten aluminum) and grown as molten metal is transported through, and oxidized on the surface of, its own oxidation product. One or both of the ceramic bodies used in the bonding process contains surface-accessible channels of residual metal, i.e., metal channels which have resulted from molten-metal transport during the ceramic growth process. When the suitably assembled ceramic bodies are heated in the presence of an oxidant at a temperature above the melting point of the residual metal, molten metal at the surface of at least one of the ceramic bodies reacts with the oxidant to form a layer of oxidation reaction product, which may or may not incorporate at least one filler material. This layer of oxidation reaction product continues to grow between the facing surfaces of the assembled ceramic bodies until the oxidation reaction product forms a bond between the ceramic bodies.
    • 陶瓷体通过熔融金属的氧化反应产物层结合在一起,该金属在粘合之前存在于一个或两个陶瓷体中。 陶瓷体中的至少一个包括通过熔融母体金属(例如,来自熔融铝的氧化铝)的氧化反应形成的陶瓷产物,并且随着熔融金属生长而形成的陶瓷产物被自身氧化产物输送并氧化在其自身氧化产物的表面上。 用于接合工艺中的一种或两种陶瓷体包含残留金属的表面可接近通道,即在陶瓷生长过程中由熔融金属输送引起的金属通道。 当适当组装的陶瓷体在氧化剂存在下在高于残余金属熔点的温度下加热时,至少一个陶瓷体表面的熔融金属与氧化剂反应形成一层氧化反应 产品,其可以或可以不并入至少一种填充材料。 该层氧化反应产物在组装的陶瓷体的相对表面之间继续生长,直到氧化反应产物在陶瓷体之间形成结合。