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Impregnation method for transformation of transition alumina to a alpha alumina 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C04B-035/10
출원번호 US-0552891 (1990-07-16)
발명자 / 주소
  • Wood Thomas E. (St. Paul MN)
출원인 / 주소
  • Minnesota Mining and Manufacturing Company (St. Paul MN 02)
인용정보 피인용 횟수 : 130  인용 특허 : 0

초록

The method of the present invention is useful in preparing an improved alpha alumina-based ceramic. The improvement consists of the addition of a precursor of an alpha phase nucleating to transition alumina. The method is particularly useful in preparing alpha alumina-based abrasive grain.

대표청구항 ▼

A method of making an alpha alumina-based ceramic, having a seeded microstructure comprising alpha alumina domains nucleated with an alpha chromic oxide nucleating agent, said method comprising the steps of: a) preparing a liquid admixture which comprises a sufficient amount of a precursor of alpha

이 특허를 인용한 특허 (130)

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