CUTTING INSERT
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United States of America Patent
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Issued Date -
Jul 31, 2014
app pub date -
Sep 3, 2012
filing date -
Sep 2, 2011
priority date (Note) -
Abandoned
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Abstract
A cutting insert has only cutting edge portion thereof made of SiC whisker reinforced ceramics brazed to the shank with active solder. This provides improved cutting performance by increased toughness and high strength of the SiC whisker reinforced ceramics without limitation in shape while reducing manufacturing costs. The cutting insert includes a cutting edge portion made of SiC whisker reinforced ceramics, and a shank to which the cutting edge portion is mounted. The cutting edge portion is brazed to the shank using an active solder, and the whiskers are disorderedly arranged and agglomerated in the cutting edge portion.
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