Nippon Tungusten Review

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2007  Volume 39 

Characteristics and applications of new ceramics "NPZ-28" for light load shearing and forming process
Kouki MINAMOTO, Mitsuyoshi NAGANO, Tetsurou KIRYUU, Norimitsu MUKAE
Key words NPZ-28, ceramics, press die, shearing tool, micro-chipping, Finite Element Method, FEM, Wire Electric Discharging, tribology, dry press


Cemented carbides business is one of our businesses based on powder metallurgy process which is our company's core technology. Our company has always been occupied with ultra-precise press die business in the part of cemented carbide products.
In order to satisfy customer needs of die parts materials, we developed a new ceramics material for press die parts "NPZ-28". In this paper, we describe characteristics and applications of new ceramics "NPZ-28".
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