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| 1 | Melt Infiltration Ability and Microstructural Evolution of Fe40Al/ TiC Composites System显示文摘Pressureless melt infiltration is an economic route f or preparation of high-density ceramic/melt composites. In this study, the Fe40 Al iron aluminide intermetallic, a low cost material of excellent oxidation and corrosion resistance, was used as binder for fabricating Fe40Al/TiC composites b y pressureless melt infiltration. The wetting ability of liquid Fe40Al in porous TiC pre-form was studied by in-situ monitoring the melting and infiltration p rocess. The infiltration ability was investigated by observing the distance of l iquid Fe40Al intrusion in porous TiC pre-forms at different infiltration temper atures and times by using optical microscope. Porous TiC per-forms with density of 60%~88%TD (theoretical density), prepared under pre-defined sintering temp e rature cycles, were used for fabricating Fe40Al/TiC composites in the range of 1 2%~40% metal content by volume. Almost full dense Fe40Al/TiC composites were su c cessfully fabricated by this technique. Liquid Fe40Al exhibited excellent infilt ration ability, the distance of complete intrusion of liquid Fe40Al in the TiC s intered pre-form with density of 88%TD was over 7 mm after 5 min at the inf iltration temperature of 1 450 ℃. Microstructural observation by SEM and TEM also showed that liquid Fe40Al filled the very narrow gaps among TiC particles, the interfaces of TiC particles and F e40Al plastic ligaments being metallurgical bonded. TEM revealed that high densi ty of dislocations formed in Fe40Al ligaments during solidification, which favor the mechanical properties. Ti decomposed from TiC particles and dissolved into Fe40Al during infiltration. According to the compositional analysis of TEM-EDS, the concentration of Ti in Fe40Al ranges at 1at%~4at% depending on composite f a bricating conditions and the distance from the measuring point to the closest Ti C particles. XRD analysis indicated that the composites were composed of two pha ses, the original TiC and Fe 0.4Al 0.6 intermetallic. No new phase formed during infiltration, but the lattice parameter of Fe 0.4Al 0.6 was expended due to the Ti in the solid solution. | F J Oliveira J L Baptista J M Vieira | 2002 | 厦门大学学报(自然科学版)2002，41，S1： | 2 |
| 2 | Milk - coagulating enzymes of tuna fish waste as a rennet substitute 显示文摘 | Tavares J F Baptista J A Marcone M F | 1997 | International Journal of Food Sciences and Nutrition1997，48，3： | 1 |
| 3 | Long-term exposure to high glucose increases the content of several exocy- totic proteins and of vesicular GABA transporter in cultured retinal neural cells显示文摘 | BAPTISTA F I CASTILHO A F GASPAR J M | 2015 | Nenrosci Lett2015，602，： | 1 |
| 4 | Free-radical scavenging capacity and reducing power of wild edible mushrooms from northeast Portugal: Indi-vidual cap and stipe activity显示文摘 | Ferreira I C F R Baptista P Vilas-Boas M | 2007 | Food Chemistry2007，100，15： | 1 |
| 5 | Cutting forces and wear analysis of Si3 N4 diamond coated tools in high speed machi- ning 显示文摘 | MARTINHO R P SILVA F J G BAPTISTA A P M | 2008 | Vacuum2008，82，12： | 1 |
| 6 | Skeletal mass in adolescent male athletes and nonathletes:Relationships with high-impact sports显示文摘 | DIAS Q A L CARNERO E A BAPTISTA F M et a l | 2011 | J Strength Condition Res2011，25，12： | 1 |
| 7 | Wear behaviour of uncoated and diamond coated Si3N4 tools under severe turning conditions 显示文摘 | Martinho R P Silva F J G Baptista A P M | 2007 | Wear2007，263，： | 1 |
| 8 | Microwave Plasma Chemical Vapour Deposition Diamond Nucleation on Ferrous Substrates with Ti and Cr Interlayers显示文摘 | Silva F J G Baptista A P M Pereira E | 2002 | Diamond and Related Materials2002，11，： | 1 |
| 9 | Insu-lin influences autophagy response distinctively in mac-rophages of different compartments 显示文摘 | Sunahara K K Nunes F P Baptista M A | 2014 | Cell PhysiolBiochem2014，34，6： | 1 |
| 10 | Free- radical scavenging capacity and reducing power of wild edible mushrooms from northeast Portugal:Individual cap and stipe activity显示文摘 | Ferreira I C F R Baptista P Villas-Boas M | 2007 | Food Chemistry2007，100，4： | 1 |
| 11 | Mutations leading to increased levels of resistance to glycopeptide antibiotics in VanBtype enterocacci显示文摘 | Baptista M Depardieu F Reynolds P | | 0，，01： | 1 |
| 12 | Force control of robotic manipulators using a fuzzy predictive approach显示文摘 | Baptista L F Sousa J M | 2001 | Journal of Intelligent and Robotic Systems2001，30，4： | 1 |
| 13 | Predicting mixing volumes in serial transport in pipelines 显示文摘 | Freitas Rachid F B Carneriro de Araujo J H Baptista R M | 2002 | Journal of Fluids Engineering2002，124，2： | 1 |
| 14 | Cryptography with chaos at the physical level显示文摘 | Machado R F Baptista M S Grebogi C | 2004 | Chaos Solitons and Fractals2004，21，： | 1 |
| 15 | Perspectives of using Euphorbia splendens as a molluscicide in schistosomiasis control programs 显示文摘 | BAPTISTA D F VASCONCELLOS M C LOPES F E | 1994 | Southeast Asian Journal of Trop Public Health1994，，3： | 1 |
| 16 | Application of biological measures for stream intergrity assessment in south-east Brazil显示文摘 | SILVEIRA M P BAPTISTA D F BUSS D F | 2005 | Environmental Monitoring and Assessment2005，101，： | 1 |
| 17 | Tribological behaviour of epoxy based composites for rapid tooling显示文摘 | Vasconcelos P V Lino F J Baptista A M | 2006 | Wear2006，260，12： | 1 |
| 18 | Free- radical scavenging capacity and reducing power of wild edible mushrooms from northeast Portugal: Individual cap and stipe activity显示文摘 | FERREIRA I C F R BAPTISTA P VILAS-BOAS M | 2007 | Food Chemistry2007，100，4： | 1 |
| 19 | Milk-Coagulating Enzymes of Tuna Fish Waste as a Rennet Substitute显示文摘 | TAVARES J E P BAPTISTA J A B B MARCONE M F | 1997 | International Journal of Food Science and Nutrition1997，48，3： | 1 |
| 20 | Free-radical scavenging capacity and reducing power of wild edible mushrooms from northeast Portugal: individual cap and stipe activity显示文摘 | FERREIRA I C F R BAPTISTA P VILAS-BOAS M | 2007 | Food Chemistry2007，100，4： | 1 |
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