Titanium nitride aluminum based sintered material and its produc

Details Titanium nitride aluminum based sintered material and its produc Titanium nitride aluminum based sintered material and its produc

1997-12-24

1999-11-09

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Refractory

501 962, 501 984, C04B 3558

Patent

active

059814160

ABSTRACT:
The purpose of the present invention is to provide a titanium nitride aluminum based sintered material having excellent durability and able to be cheaply produced and cut spheroidal graphite cast iron at high speed and be used as a cutting tool material having a long life, and a method of production the same. The present invention resides in a production method of a titanium nitride aluminum based sintered material characterized in that powder of Ti.sub.(1-x) Al.sub.x N (x=0.05.about.0.70) is sintered. Said x is preferably set to a range from 0.05 to 0.15 or from 0.50 to 0.70. 0.2 to 11.1% of an additive by volume constructed by TiO.sub.y (y=1.about.2) and/or Al.sub.2 O.sub.3 is preferably externally added to the above titanium nitride aluminum based sintered material.

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