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특허 상세정보

Boron carbide fiber reinforced articles

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C09K-005/14    B01J-027/22    C04B-035/10    C04B-035/563    C04B-035/565    C04B-035/58    C04B-035/583    C04B-035/622    C04B-035/628    C04B-035/80    C22C-049/14    D01F-009/08   
출원번호 US-0954518 (2015-11-30)
등록번호 US-10208238 (2019-02-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Workman Nydegger
인용정보 피인용 횟수 : 0  인용 특허 : 90
초록

Methods of producing continuous (or discontinuous) boron carbide fibers. The method comprises reacting a continuous or discontinuous carbon fiber material and a boron oxide gas within a temperature range of from approximately 1400° C. to approximately 2200° C. Articles including such partially or fully converted fibers may be provided, including such reinforcing fibers in a matrix of ceramic (a CMC), in metal (a MMC), or other matrix (e.g., polymer, etc.).

대표
청구항

1. An article comprising fibers dispersed in a matrix, the fibers having a diameter of less than or equal to approximately 20 μm and comprising a boron carbide conversion layer over an unconverted carbon fiber core, the boron carbide conversion layer comprising carbon from a starting carbon fiber material that has been converted to boron carbide; wherein an adherence strength of the boron carbide conversion layer is at least equal to an adherence strength of carbon to itself in the unconverted carbon fiber core. 2. The article of claim 1, wherein the mat...

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