Non-machining surface strengthening of transformation toughened

Details Non-machining surface strengthening of transformation toughened Non-machining surface strengthening of transformation toughened

1992-03-10

1993-07-20

Rose, Robert A.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51283R, B24C 110

Patent

active

052282457

ABSTRACT:
Transformation-toughened material bodies such as transformation-toughened zirconia may be strengthened by grit blasting the body surface. Grit blasting of the surface with a grit material such as alumina or silicon carbide can result in flexural strength increases of at least about 10-20% compared to the body prior to blasting. The method of the invention provides strength increases comparable or better than those resulting from surface grinding and may be used for a broader variety of body shapes.

REFERENCES:
patent: 3828488 (1974-08-01), Skriletz et al.
patent: 4067745 (1978-01-01), Garvie et al.
patent: 4287740 (1981-09-01), Kumar
patent: 4877638 (1989-10-01), Novak et al.

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