Abrasive product

Details Abrasive product Abrasive product

2005-03-01

2005-03-01

Marcheschi, Michael A (Department: 1755)

Abrasive tool making process, material, or composition

With inorganic material

C051S308000, C051S309000, C051S293000

Reexamination Certificate

active

06860914

ABSTRACT:
An abrasive product which comprises a polycrystalline mass of self-bonded abrasive particles of irregular shape, the product being substantially free of a second phase and containing substantial plastic deformation of the abrasive particles. The abrasive particles are preferably diamond or cubic boron nitride and the plastic deformation of the particles is preferably at least 0.3 percent. The abrasive product may be made by subjecting a mass of the particles to elevated temperature and pressure conditions.

REFERENCES:
patent: 3399254 (1968-08-01), Dunnington
patent: 3574580 (1971-04-01), Stephens et al.
patent: 3829544 (1974-08-01), Hall
patent: 4224380 (1980-09-01), Bovenkerk et al.
patent: 4828582 (1989-05-01), Frushour
S.T. Davey et al.: “An Investigation of plastic deformation in sintered diamond compacts using photoluminescence spectrosopy” Journal of Materials Science Letters, vol. 3, pp. 1090-1092, no month.
C.A.M. Casanova et al., “Experimental study of plastic deformation during sintering of cubic boron nitride compacts” Diamond and Related Materials, vol. 8, No. 8-9, pp. 1451-1454 08/99.
T. Evans et al.: “Photoluminescence studies of sintered diamond compacts” Journal of Materials Science, vol. 19, pp. 2405-2414 1984, no month.

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