FABRICATION OF NANOSTRUCTUREDWC-BASED HARD MATERIALS WITH DIFFERENT CONTENTS OFCoBY HIGH FREQUENCY INDUCTION HEATED SINTERING

Duck-Soo Kang, Kee-Do Woo (), Eui-Pyo Kwon, Sang-Hyuk Kim, Min-Seok Moon and In-Jin Shon
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Duck-Soo Kang: Divison of Advanced Materials Engineering, The Research Center of Industrial Technology (RCIT), Chonbuk National University, Chonbuk 561-756, Republic of Korea
Kee-Do Woo: Divison of Advanced Materials Engineering, The Research Center of Industrial Technology (RCIT), Chonbuk National University, Chonbuk 561-756, Republic of Korea;
Eui-Pyo Kwon: Divison of Advanced Materials Engineering, The Research Center of Industrial Technology (RCIT), Chonbuk National University, Chonbuk 561-756, Republic of Korea
Sang-Hyuk Kim: Divison of Advanced Materials Engineering, The Research Center of Industrial Technology (RCIT), Chonbuk National University, Chonbuk 561-756, Republic of Korea
Min-Seok Moon: Department of Hydrogen and Fuel Cells, Specialized Graduate School, Chonbuk National University, Chonbuk 561-756, Republic of Korea
In-Jin Shon: Divison of Advanced Materials Engineering, The Research Center of Industrial Technology (RCIT), Chonbuk National University, Chonbuk 561-756, Republic of Korea;

Surface Review and Letters (SRL), 2010, vol. 17, issue 02, 251-255

Abstract: Hard materials, in particular tungsten carbide (WC) hard material has been used in many industries as cutting tool and abrasive materials. For improving toughness, binders are added into carbide materials. The effect ofCoas binder on the mechanical properties in the nanosizedWCwas discussed. The hardness and fracture toughness were also investigated using 30 kgf load Vickers indenter. The nanosizedWC-8, 10 and 12 vol.%Cocomposites were successfully fabricated without grain growth by high frequency induction heated sintering (HFIHS), which is the rapid sintering method, due to short sintering time 1140°C. The nanosizedWC–Cocomposites fabricated by HFIHS have better mechanical properties thanWC–Cocomposite fabricated by commercial sintering.

Keywords: Nanostructures; high-energy ball milling; WChard material; nanocomposite (search for similar items in EconPapers)
Date: 2010
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DOI: 10.1142/S0218625X10014016

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