Development of Binderless WC Hard Alloy Prepared by Pulsed Current Sintering

Development of Binderless WC Hard Alloy Prepared by Pulsed Current Sintering

In this paper, we describe an experimental study of pulsed current sintered binderless tungsten carbide hard metal. The binderless tungsten carbide is expected to be a highly precious mold material used under high temperature and harsh conditions. Low temperature and rapid sintering are achieved by...

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Veröffentlicht in:Nihon Kinzoku Gakkai shi (1952) 2007-02, Vol.71 (2), p.195
Hauptverfasser: Kawakami, Yuji, Enjoji, Takashi, Mouri, Shigeki, Tanaka, Hiroki, Takashima, Kazuki
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container_title Nihon Kinzoku Gakkai shi (1952)
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creator Kawakami, Yuji
Enjoji, Takashi
Mouri, Shigeki
Tanaka, Hiroki
Takashima, Kazuki
description In this paper, we describe an experimental study of pulsed current sintered binderless tungsten carbide hard metal. The binderless tungsten carbide is expected to be a highly precious mold material used under high temperature and harsh conditions. Low temperature and rapid sintering are achieved by the pulsed current sintering method. The developed material has more than 99% of relative density and Rockwell hardness of 96.5[HR30N] without applying hot isostatic press. Due to its rapid sintering, the material has fine microstructure and fine surface roughness. The polished surface roughness (Ra) is less than 3 nm.
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title Development of Binderless WC Hard Alloy Prepared by Pulsed Current Sintering
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