Glass-ceramic bonded abrasive tools
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United States of America Patent
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Sep 26, 2000
Grant Date -
N/A
app pub date -
Feb 4, 1994
filing date -
Jan 7, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides an abrasive tool that comprises sol-gel alumina abrasive grains bonded together by a glass-ceramic bond material, the tool comprising from about 35 to 65% by volume void spaces, wherein at least about 75% of the volume of the bond material is located in the bond posts or in a coating on the abrasive grains and in which the volume proportion of bond to grain is from about 0.06 to 0.6.
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