Method of machining cast iron

作者: Vinod K. Sarin , Sergej-Tomislav Buljan , Robert A. Penty

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摘要: A composite article and cutting tool are prepared by densification to form a body consisting essentially of particles hard refractory material uniformly distributed in matrix first phase second phase, said crystalline silicon nitride being an intergranular comprising suitable aid selected from the group yttrium oxide, zirconium hafnium oxide lanthanade rare earth oxides mixture thereof.