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| 1 | Effect of processing parameters on the microstructure and thermal conductivity of diamond/Ag composites fabricated by spark plasma sintering显示文摘Diamond/metal composites with 50 vol.% diamond have been produced by spark plasma sintering(SPS) using pure Ag as a matrix and diamond particles as reinforcement.Three kinds of powder mixing processes were used to prepare the mixture of diamond/Ag powders:dry mixing without milling medium,wet mixing and magnetic blending.Subsequently,they were all consolidated by SPS at various processing parameters to produce bulk diamond/Ag composites.Then samples were heat treated in order to obtain a higher thermal conductivity.The effect of processing parameters on the morphologies of the mixed powders,the microstructure and the thermal conductivity of the composites were investigated by comparing the experimental data.It reveals that particles were easy to agglomerate and the distribution of mixed powders was inhomogeneous by dry mixing method,and wet mixing method is too complex.The most favorable mixing process is magnetic blending by which the powders can be homogenously mixed and the composites prepared by optimized SPS processing parameters can obtain the highest relative density and the best thermal conductivity among the composites prepared by different processes.The magnetic blending diamond/Ag composites even have a 23% increase in thermal conductivity compared with pure silver sintered by SPS. | GAO Wenjia,JIA Chengchang,JIA Xian,LIANG Xuebing,CHU Ke,ZHANG Luman,HUANG Hai,and LIU Meng School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China | 2010 | Rare Metals2010，29，6： | 6 |
| 2 | Clinical Characteristics of Ulcerative Colitis in Singapore, a Multiracial City–State显示文摘 | Khoon-Lin Ling Choon-Jin Ooi Widjaja Luman Wei-Kuen Cheong Francis Seow Choen Han-Seong Ng | 2002 | Journal of Clinical Gastroenterology2002，，2： | 2 |
| 3 | Development and characterization of high performance solid propellants containing nano-sized energetic ingredients显示文摘 | Luman J R Wehrman B Kuo K K | 2007 | Proceed- ings of the Combustion Institute2007，31，： | 1 |
| 4 | Tropical glyceryl trinitrate relaxes the sphincter of Oddi显示文摘 | Luman W Pryde A Heading RC ct al | 1997 | Gut1997，40，4： | 1 |
| 5 | Influence of cholecystectomy on sphincter of Oddi motility 显示文摘 | Luman W Williams AJ Pryde A | 1997 | Gut1997，41，3： | 1 |
| 6 | Upgrading complex systems of systems:A CAIV methodology for warfare area requirements allocation显示文摘 | Luman R R | 2000 | Military Operations Research2000，5，2： | 1 |
| 7 | Clinical characteris- tics of ulcerative colitis in Singapore, a multiracial city- state显示文摘 | Ling KL Ooi CJ Luman W | 2002 | Journal of Clinical Gastroenterology2002，35，2： | 1 |
| 8 | Development and characterization of high performance solid propellants containing nano-sized energetic ingredients显示文摘 | Luman J R Wehrman B Kuo K K | 2007 | Proceedings of the Combustion Institute2007，31，： | 1 |
| 9 | Quality of life patients stented for malignant biliaryobstructions显示文摘 | Luman W Cull A Palmer KR | 1997 | Eur J Castroenterol- Hepatol1997，9，： | 1 |
| 10 | Selbststeuerung der wissenschaft显示文摘 | LUMAN N | 1968 | Jahrbuch fur Sozialwissenschaft1968，19，2： | 1 |
| 11 | Development and characterization of high performance solid propellants containing nano-sized energetic ingredients显示文摘 | Luman J R Wehrman B Kuo K K | 2007 | Proceedings of the Combustion Institute2007，31，： | 1 |
| 12 | no Longer a Myth,the Emergence of the Patent Troll:Stifling Innovation,Increasing litigation,and Extorting Billions显示文摘 | Luman J F Dodson C | | 0，，05： | 1 |
| 13 | Development and characterization of high performance solid propellants containing nano-sized energetic ingredients显示文摘 | Luman J R Wehrman B Kuo K K | 2007 | Proceedings of the Combustion Institute2007，31，2： | 1 |
| 14 | The impact of reinforcement contingencies on AD/HD:A review and theoretical appraisal显示文摘 | LUMAN M OOSTERLAAN J SERGEANT JA | 2005 | Clin Psychol Rev2005，25，4： | 1 |
| 15 | Helicobacter pylori infection is unlikely to be transmitted between partners:evidence from genotypic study in partners of infected patients显示文摘 | Luman W Zhao Y Ng HS | 2002 | Eur J Gastroenterol Hepatol2002，14，5： | 1 |
| 16 | Dendritic polymers composed of glycerol and succinic acid: synthetic methodologies and medical applications 显示文摘 | N R Luman T Kim M W Grinstaff | 2004 | Pure and Applied Chemistry2004，76，78： | 1 |
| 17 | No Longer a Myth, the Emergence of the Patent Troll: Stifling Innovation, Increasing Litigation, and Extorting Billions显示文摘 | Luman J F Dodson C L | 2006 | Technology and Intellectual Property Law2006，18，5： | 1 |
| 18 | A combination of ciprofloxacia and rowaehol does not prevent biliary stent occlusion 显示文摘 | Luman W Ghosh S Palmer KR | 1999 | Gastrointest Endosc1999，49，1： | 1 |
| 19 | Upgrading complex systems of systems : A CAIV methodology for warfare area requirements allocation 显示文摘 | Ronald R Luman | 2000 | Military Operations Research2000，，10： | 1 |
| 20 | Influence of cholecystectomy on sphincter of Oddi motility显示文摘 | Williams AJ Pryde A | 1997 | Gut1997，41，3： | 1 |
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