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.
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页数：13
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