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    • 2. 发明授权
    • Process for preparing self-supporting bodies and products made thereby
    • 制备自支撑体及其制品的方法
    • US4978644A
    • 1990-12-18
    • US449521
    • 1989-12-12
    • Danny R. WhiteTerry D. Claar
    • Danny R. WhiteTerry D. Claar
    • C04B35/58C04B35/65
    • C04B35/5805C04B35/58064C04B35/58071C04B35/58078C04B35/652C04B35/653
    • Self-supporting bodies are produced by reactive infiltration of a parent metal into a boron nitride material typically resulting in a body comprising a boron-containing compound, a nitrogen-containing compound and metal. The mass to be infiltrated may contain one or more inert fillers admixed with the boron nitride, to produce a composite by reactive infiltration, which composite comprises a matrix which embeds the filler material. The matrix, in a composite body containing filler material, comprises one or more of metal, a boron-containing compound and a nitrogen-containing compound. The relative amounts of reactants and process conditions may by 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.
    • 通过将母体金属反应性渗透到氮化硼材料中而产生自支撑体,通常产生包含含硼化合物,含氮化合物和金属的体。 待渗透的物质可以包含一种或多种与氮化硼混合的惰性填料,以通过反应性渗透产生复合材料,该复合材料包括嵌入填料的基质。 含有填料的复合体中的基体包含一种或多种金属,含硼化合物和含氮化合物。 反应物和工艺条件的相对量可以通过改变或控制以产生包含不同体积百分比的陶瓷,金属和/或孔隙率的主体。 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。
    • 9. 发明授权
    • Method for forming bodies by reactive infiltration
    • 通过反应性渗透形成体的方法
    • US5520880A
    • 1996-05-28
    • US307649
    • 1994-09-19
    • William B. JohnsonEugene S. ParkGerhard H. SchirokyDanny R. WhiteTerry D. Claar
    • William B. JohnsonEugene S. ParkGerhard H. SchirokyDanny R. WhiteTerry D. Claar
    • B22F3/10C04B35/65C04B41/45C04B41/50C22C1/10B22F7/00
    • C04B41/009C04B35/652C04B41/4556C04B41/5071C22C1/1036
    • 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.
    • 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。
    • 10. 发明授权
    • Process for preparing self-supporting bodies
    • 制定自力式机构的过程
    • US5187128A
    • 1993-02-16
    • US551748
    • 1990-07-12
    • Danny R. WhiteTerry D. Claar
    • Danny R. WhiteTerry D. Claar
    • C04B35/58C04B35/65
    • C04B35/632C04B35/58007C04B35/58014C04B35/58028C04B35/5805C04B35/581C04B35/584C04B35/652
    • Self-supporting bodies are produced by reactive infiltration of a parent metal into a boron nitride material typically resulting in a body comprising a boron-containing compound, a nitrogen-containing compound and metal. The mass to be infiltrated may contain one or more inert fillers admixed with the boron nitride, to produce a composite by reactive infiltration, which composite comprises a matrix which embeds the filler material. The matrix, in a composite body containing filler material, comprises one or more of metal, a boron-containing compound and a nitrogen-containing compound. 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.
    • 通过将母体金属反应性渗透到氮化硼材料中而产生自支撑体,通常产生包含含硼化合物,含氮化合物和金属的体。 待渗透的物质可以包含一种或多种与氮化硼混合的惰性填料,以通过反应性渗透产生复合材料,该复合材料包括嵌入填料的基质。 含有填料的复合体中的基体包含一种或多种金属,含硼化合物和含氮化合物。 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。