|
|
Article: Materials handbook.(ABRASIVES-HYDROXYAPATITE)
- Article from:
- Ceramic Industry
- Article date:
- January 1, 2006
CopyrightCOPYRIGHT 2006 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
ABRASIVES. Substances used to grind, shape or polish another material. Abrasives used in the ceramic industry can be classified as either conventional abrasives or superabrasives. The size, shape, hardness and friability of an abrasive particle determine its characteristics as an abrasive. Coarse, larger grains normally remove material faster than smaller grains, which usually give better surface finish.
Conventional abrasives can be silicon carbide, aluminum oxide, boron carbide, tungsten carbide, hardened steel and coated tools. Silicon carbide, also called carborundum, aluminum oxide and boron carbide, a compound of boron and carbon, are crystals used for ...