Modified sol-gel alumina

Details Modified sol-gel alumina Modified sol-gel alumina

1994-11-17

1996-06-18

Jones, Deborah

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51307, B24D 334

Patent

active

055273696

ABSTRACT:
Alpha alumina abrasive grits with grain boundaries modified with at least one of yttria and a rare earth metal oxide, and one or more oxides selected from the oxides of magnesium and/or transition elements, perform at enhanced levels if at least the yttria and/or rare earth metal oxide modifiers are present within the body of the grit in concentrations at least as high as their concentrations at the surface of the grit.

REFERENCES:
patent: 4314827 (1982-02-01), Leitheiser et al.
patent: 4518397 (1985-05-01), Leitheiser et al.
patent: 4543107 (1985-09-01), Rue
patent: 4770671 (1988-09-01), Monroe et al.
patent: 4881951 (1989-11-01), Wood et al.
patent: 5132789 (1994-05-01), Wood
patent: 5139978 (1992-08-01), Wood
patent: 5164348 (1992-11-01), Wood
patent: 5372620 (1994-12-01), Rowse et al.

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