Measuring the strength of abrasive grains

Details Measuring the strength of abrasive grains Measuring the strength of abrasive grains

1993-02-12

1995-02-28

Chilcot, Jr., Richard E.

Measuring and testing

By abrasion, milling, rubbing, or scuffing

73790, G01N 356, G01N 1902, G01D 116

Patent

active

053926331

ABSTRACT:
An apparatus and method of speedily measuring the strength of individual abrasive grains such as diamonds in which the grains are crushed between two hard rollers and the compressive force exerted on the grain by the rollers at the moment of fracture is measured.

REFERENCES:
patent: 3053073 (1962-09-01), Baughman
patent: 5133209 (1992-07-01), Noguchi et al.
Belling, N. G., and Bialy, L., "The Friatester-10 Years Later," Industrial Diamond Review, Aug. 1974, pp. 285-291.
Belling, N. G., "Friatesting & Diamond Strength: A Review," Industrial Diamond Review, Mar. 1992, pp. 133-137.
Brecker, J. N., "The Fracture Strength of Abrasive Grains," Journal of Engineering for Industry, Nov. 1974, pp. 1253-1257.
Field, J. E., "Strength and Fracture Properties of Diamond," in The Properties of Diamond, J. E. Field, ed., 1979 Academic Press, pp. 281-324.
Field, J. E., and Freeman, C. J., "Strength and Fracture Properties of Diamond," Philosophical Magazine A, vol. 43, No. 3, 1981, pp. 595-618.
Field, J. E., "Strength, Fracture and Erosion Properties of Diamond," in The Properties of Natural and Synthetic Diamond, J. E. Field, ed., 1992 Academic Press, pp. 473-513.
Himmel, T., et al., "Crushing Strength of Diamond Grits," Journal of Hard Materials, vol. 1, No. 2, 1990, pp. 103-121.
Stupkina, L. M., "Impact Strength of Diamond", Soviet Physics-Crystallography, vol. 15, No. 4, Jan.-Feb. 1971, pp. 728-730.

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