Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James Michael McHale, Jr.0
Rajeev Tirumala Pakalapati0
Date of Patent
April 26, 2011
0Patent Application Number
110621990
Date Filed
February 18, 2005
0Patent Primary Examiner
Patent abstract
A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and (iv) aluminum and/or one or more non-oxide aluminum compounds. The sintered bodies may have sufficient strength and toughness to be used as a tool material in solid, i.e. not carbide supported, form, and may be useful in heavy machining of cast irons.
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