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- Fabrication of W-Cu Composite by Resistance Sintering under Ultrahigh Pressure
- Y.S. Kwon, J.S. Kim, Z.J. Zhou
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Journal of Korean Powder Metallurgy Institute 2003;10(3):181-185
DOI: https://doi.org/10.4150/KPMI.2003.10.3.181
1Research Center for Machine Parts and Materials Processing, University of Ulsan
2Research Center for Machine Parts and Materials Processing, University of Ulsan
3Department of Inorganic Non-metallic Material, University of Science & Technology Beijing
2Research Center for Machine Parts and Materials Processing, University of Ulsan
3Department of Inorganic Non-metallic Material, University of Science & Technology Beijing
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Abstract
Resistance sintering under ultra-high pressure if developed to fabricate W-Cu composite containing 5 to 80v/o copper. The consolidation was carried out under pressure of 6 to 8 GPa and input power of 18 to 23 kW for 50 seconds. The densification effect and microstructure of these W-Cu composites are investigated. The effect of W particle size on ,sintering density was also studied. The micro hardness was measured to evaluate the sintering effect.
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