McMahon, John F. Formerly, New York State Technical Service Program, Alfred, New York.
- Abrasive materials
- Abrasive wheels
- Hardness tests
- Additional Readings
A material of extreme hardness that is used to shape other materials by a grinding or abrading action. Abrasive materials may be used either as loose grains, as grinding wheels, or as coatings on cloth or paper. They may be formed into ceramic cutting tools that are used for machining metal in the same way that ordinary machine tools are used. Because of their superior hardness and refractory properties, they have advantages in speed of operation, depth of cut, and smoothness of finish.
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