COATED OPTICAL DEVICES AND METHODS OF MAKING THE SAME
    21.
    发明申请
    COATED OPTICAL DEVICES AND METHODS OF MAKING THE SAME 审中-公开
    包覆的光学装置及其制造方法

    公开(公告)号:WO1997007070A1

    公开(公告)日:1997-02-27

    申请号:PCT/US1996013365

    申请日:1996-08-16

    CPC classification number: C03C25/106 C03C25/104

    Abstract: The present invention relates to coated optical devices, such as optical fibers and optical wave guides, and methods for forming coated optical devices. Methods for forming coated optical devices comprise providing at least one optical device and contacting at least a portion of at least one optical device with at least one coating composition comprising at least one metal-nitrogen polymer. The at least one coating composition may further comprise at least one multifunctional organic electrophile comprising at least one monomer, oligomer, or polymer comprising a plurality of organic electrophilic substituents. The coating composition contacting at least a portion of an optical device is at least partially crosslinked, thereby forming coated optical devices which exhibit enhanced resistance to, for example, deterioration resulting from, among other things, exposure to chemicals and environmental factors.

    Abstract translation: 本发明涉及诸如光纤和光波导的涂覆光学器件以及用于形成涂覆的光学器件的方法。 用于形成涂覆的光学装置的方法包括提供至少一个光学装置,并使至少一个光学装置的至少一部分与包含至少一种金属 - 氮聚合物的至少一种涂层组合物接触。 所述至少一种涂料组合物还可包含至少一种包含至少一种包含多个有机亲电取代基的单体,低聚物或聚合物的多官能有机亲电试剂。 与光学装置的至少一部分接触的涂料组合物至少部分交联,从而形成涂覆的光学装置,其表现出对例如暴露于化学品和环境因素等导致的劣化的增强的抗性。

    METHODS FOR FABRICATING SHAPES BY USE OF ORGANOMETALLIC, CERAMIC PRECURSOR BINDERS
    22.
    发明申请
    METHODS FOR FABRICATING SHAPES BY USE OF ORGANOMETALLIC, CERAMIC PRECURSOR BINDERS 审中-公开
    通过使用有机物,陶瓷前体粘合剂来形成形状的方法

    公开(公告)号:WO1994025199A1

    公开(公告)日:1994-11-10

    申请号:PCT/US1994004806

    申请日:1994-04-28

    CPC classification number: B22C1/205

    Abstract: This invention relates to the discovery of organometallic ceramic precursor binders used to fabricate shaped bodies by different techniques. Exemplary shape making techniques which utilize hardenable, liquid, organometallic, ceramic precursor binders include the fabrication of negatives of parts to be made (e.g., sand molds and sand cores for metalcasting, etc.), as well as utilizing ceramic precursor binders to make shapes directly (e.g., brake shoes, brake pads, clutch parts, grinding wheels, polymer concrete, refractory patches and liners, etc.). In a preferred embodiment, this invention relates to thermosettable, liquid ceramic precursors which provide suitable-strength sand molds and sand cores at very low binder levels and which, upon exposure to molten metalcasting exhibit low emissions toxicity as a result of their high char yields of ceramic upon exposure to heat.

    Abstract translation: 本发明涉及用于通过不同技术制造成形体的有机金属陶瓷前体粘合剂的发现。 使用可硬化,液体,有机金属,陶瓷前体粘合剂的示例性形状制造技术包括制造要制备的部件的负片(例如,用于金属铸造的砂模和砂芯等),以及利用陶瓷前体粘合剂来形成形状 直接(例如制动蹄,刹车片,离合器部件,砂轮,聚合物混凝土,耐火贴片和衬垫等)。 在一个优选的实施方案中,本发明涉及可热固的液体陶瓷前体,它们以非常低的粘合剂水平提供合适的强度砂模和砂芯,并且在暴露于熔融金属铸造之后,由于它们的高焦炭产率, 陶瓷暴露于热量。

    CRYSTALLIZATION OF GRAIN BOUNDARY PHASES IN SILICON CARBIDE CERAMICS
    23.
    发明申请
    CRYSTALLIZATION OF GRAIN BOUNDARY PHASES IN SILICON CARBIDE CERAMICS 审中-公开
    碳化硅陶瓷中晶界相的晶体结构

    公开(公告)号:WO1994014726A1

    公开(公告)日:1994-07-07

    申请号:PCT/US1993012623

    申请日:1993-12-28

    CPC classification number: C04B35/645 C04B35/573 C04B35/575 C04B35/65

    Abstract: A silicon carbide ceramic having crystalline grain boundary phases is prepared by heating a composition comprising silicon carbide, a silicate glass and a high metal content transition metal silicide, to a temperature of 1300 DEG to 2100 DEG C under vacuum until oxygen is removed from the glass as SiO gas, and the glass that remains within the silicon carbide ceramic crystallizes.

    Abstract translation: 通过将包含碳化硅,硅酸盐玻璃和高金属含量的过渡金属硅化物的组合物在真空下加热到1300-2100℃的温度来制备具有晶界相的碳化硅陶瓷,直到氧气从玻璃中除去 作为SiO气体,残留在碳化硅陶瓷内的玻璃结晶。

    GATING MEANS FOR METAL MATRIX COMPOSITE MANUFACTURE
    29.
    发明申请
    GATING MEANS FOR METAL MATRIX COMPOSITE MANUFACTURE 审中-公开
    金属基复合材料制品的成型手段

    公开(公告)号:WO1991017011A1

    公开(公告)日:1991-11-14

    申请号:PCT/US1991003235

    申请日:1991-05-09

    Abstract: The present invention relates to the use of a gating means (3) in combination with a spontaneous infiltration process to produce a metal matrix composite body. Particularly, a permeable mass of filler material or a preform (2) is spontaneously infiltrated by molten matrix metal (5) to form a metal matrix composite body. A gating means (3) is provided which controls or limits the areal contact between molten matrix metal (5) and the filler material or preform (2). The use of a gating means (3) provides for control of the amount of matrix metal (5) which can contact the preform (2) or filler material, which may result in less machining of a formed metal matrix composite body compared with a similar metal matrix composite body made without a gating means (3). Moreover, the use of a gating means (3) ameliorates the tendency of a formed metal matrix composite body to warp due to the contact between the formed composite body and matrix metal carcass.

    Abstract translation: 本发明涉及门控装置(3)与自发渗透方法的组合以产生金属基质复合体的用途。 特别地,填充材料或预制件(2)的可渗透物质被熔融基质金属(5)自发渗透以形成金属基质复合体。 提供了控制或限制熔融基质金属(5)与填料或预制件(2)之间的面接触的浇注装置(3)。 浇注装置(3)的使用提供了可以接触预成型件(2)或填充材料的基质金属(5)的量的控制,这可能导致与类似物形成的金属基体复合材料相比较少的加工 金属基体复合体,不具有门控装置(3)。 此外,使用浇注装置(3)可改善由于形成的复合体与基质金属体之间的接触而导致形成的金属基体复合体翘曲的倾向。

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