Cemented carbides from WC powders obtained by the SHS method

被引：14

作者：

Zaitsev, A. A. ^{[1
]}

Vershinnikov, V. I. ^{[2
]}

Konyashin, I. ^{[1
,3
]}

Levashov, E. A. ^{[1
]}

Borovinskaya, I. P. ^{[2
]}

Ries, B. ^{[3
]}

机构：

[1] Natl Univ Sci & Technol MISiS, Moscow 119049, Russia

[2] Russian Acad Sci, Inst Struct Macrokinet & Mat Sci, Chernogolovka 142432, Moscow Oblast, Russia

[3] Element Six GmbH, D-36151 Burghaun, Germany

来源：

MATERIALS LETTERS | 2015年 / 158卷

关键词：

Cemented carbides; WC powders; Hardness; Fracture toughness; MEAN GRAIN-SIZE; DIFFERENT COMBINATIONS; WEAR DAMAGE; TESTS;

D O I：

10.1016/j.matlet.2015.06.058

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Microstructure and properties of WC-Co cemented carbides from WC powders obtained by the self-propagating high-temperature synthesis (SHS) were examined. The microstructure and properties of a submicron carbide grade with 5% Co made from the near-nano SHS WC powder and a standard submicron grade are similar. Microstructure of a medium-coarse WC-6%Co grade made from the mediumcoarse SHS WC powder and its properties are comparable with those of the standard medium-coarse carbide grade for percussive drilling. Results of laboratory performance tests on percussive drilling of the medium-coarse WC-6%Co grade obtained from both the SHS powder and conventional WC powder indicate that their wear-resistance and performance toughness are very similar. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：329 / 332

页数：4

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