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Some properties of WC-.BETA.t-Co cemented carbide having stratified structures of sheet-like WC phases.
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- Kobori Keiichi
- 東芝タンガロイ(株)
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- Ueki Mitsuo
- 東芝タンガロイ(株)
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- Saito Tsuyoshi
- 東芝タンガロイ(株)
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- Suzuki Hisashi
- 千葉工業大学工学部金属工学科
Bibliographic Information
- Other Title
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- 異方性WC‐βt‐Co超硬合金の諸性質
- イホウセイ WC ベータ t Co チョウコウ ゴウキン ノ ショ セイシツ
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Description
It was recently found by the present authors that, when WC-βt-Co alloy (βt=WC/TiC/TaC s.s.) was sintered by using Co powder and βt powder supersaturated with WC (named βt(E) powder), sheet-like WC phases crystallized in the structure during sintering. The βt(E)-Co mixed powder was sintered and then hot-pressed to get anisotropic WC-βt-8mass%Co alloy specimens having the stratified structure of sheet-like WC. Some properties such as mechanical properties, cutring performance, etc. of the above alloy were investigated.<BR>The sheet of WC, its surface orientation being coincided with (0001) planes of WC, became parallel to the specimen surface perpendicular to the hot-pressing direction with increasing reduction in thickness. The surface hardness and transverse-rupture strength of specimen were higher than those of usually isotropic alloy. The crack propagation across the sheet-like WC was greatly checked. The edge strength of cutting tools was improved considerably. The phenomena above mentioned were discussed in detail.
Journal
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- Journal of the Japan Society of Powder and Powder Metallurgy
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Journal of the Japan Society of Powder and Powder Metallurgy 36 (4), 379-384, 1989
Japan Society of Powder and Powder Metallurgy
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Keywords
Details 詳細情報について
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- CRID
- 1390282681285332224
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- NII Article ID
- 130000813625
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- NII Book ID
- AN00222724
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- ISSN
- 18809014
- 05328799
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- NDL BIB ID
- 3236103
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed