Spark Plasma Sintering of WC-Based 10wt%Co Hard Alloy: A Study of Sintering Kinetics and Solid-Phase Processes

被引：24

作者：

Buravleva, Anastasia A. ^{[1
]}

Fedorets, Alexander N. ^{[1
]}

Vornovskikh, Anastasia A. ^{[1
]}

Ognev, Alexey V. ^{[2
]}

Nepomnyushchaya, Valeria A. ^{[1
]}

Sakhnevich, Vladimir N. ^{[1
]}

Lembikov, Aleksey O. ^{[1
]}

Kornakova, Zlata E. ^{[1
]}

Kapustina, Olesya V. ^{[1
]}

Tarabanova, Anna E. ^{[1
]}

Reva, Victor P. ^{[1
]}

Buravlev, Igor Yu. ^{[1
]}

机构：

[1] Far Eastern Fed Univ, 10 Ajax Bay, Vladivostok 690922, Russia

[2] Far Eastern Fed Univ, Inst High Technol & Adv Mat, Lab Spin Orbitron, Vladivostok 690922, Russia

来源：

MATERIALS | 2022年 / 15卷 / 03期

关键词：

tungsten carbide (WC); hard metal alloy; WC-Co; spark plasma sintering (SPS); grain size; GRAINED TUNGSTEN-CARBIDE; MECHANICAL-PROPERTIES; CEMENTED CARBIDES; ELECTRIC-FIELD; MICROSTRUCTURE; CERAMICS; CO; CERMETS; POWDER; SPS;

D O I：

10.3390/ma15031091

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The paper describes the method for producing WC-10wt%Co hard alloy with 99.6% of the theoretical density and a Vickers hardness of ~1400 HV 0.5. Experimental data on densification dynamics, phase composition, morphology, mechanical properties, and grain size distribution of WC-10%wtCo using spark plasma sintering (SPS) within the range of 1000-1200 degrees C are presented. The high quality of the product is provided by the advanced method of high-speed powder mixture SPS-consolidation at achieving a high degree of densification with minimal calculated grain growth at 1200 degrees C.

引用

页数：13

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