It is thus an object of {HEAD ~ the invention} to obtain {TAIL ~ a ceramic material} for chipforming machining, particularly of steel, in which the above mentioned weaknesses of todays known aluminum oxide based cutting tool materials have been eliminated 
to obtain
It is thus an object of { HEAD ~ the invention } to obtain { TAIL ~ a ceramic material } for chipforming machining , particularly of steel , in which the above mentioned weaknesses of todays known aluminum oxide based cutting tool materials have been eliminated
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