| WC-Co의 열충격 후 파괴 현상과 기계적 성질 |
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| Fracture Behavior and Mechanical properties of WC-Co Subjected to Thermal Shock |
| 한동빈 , Joh 1 |
Department of Materials Science and Engineering Pensylvania State University
1University of Florida |
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| ABSTRACT |
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WC-Co composites are widely used as cutting or drilling tools because of their high hardness, strength, and fracture toughness. The working temperature is, however, generally in the range of 300-$700^{circ}C$ so thermal shock fracture of WC-Co can occur. In this study, the strength, fracture toughness and fracture surface of 16wt% Co bonded tungsten carbide composites before and after thermal shock were observed. |
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