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  • 1
    Electronic Resource
    Electronic Resource
    Adsorption of Fluoride by Aligned Carbon Nanotubes Supported Ceria Nanoparticles (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 1221-1224 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: Ceria nanoparticles supported on aligned carbon nanotubes (CeO2/ACNTs), a noveladsorbent for fluoride from drinking water, were prepared by chemical reaction of CeCl3 withNaOH on aligned carbon nanotube solution and subsequent heat treatment. The best fluorideadsorption effect of CeO2/ACNTs occurs at pH 4.0 ~ 9.0. The largest adsorption capacity ofCeO2/ACNTs reaches 33.7 mg g-1 at an equilibrium fluoride concentration of 18.0 mg l-1 at pH 7.0.The experiment results suggest that CeO2/ACNTs have great potential applications inenvironmental protection
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.1221.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Composite Nanofibers for Textile Applications (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 1237-1240 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: Functional core-shell structured composite nanofibers can be fabricated bymeans of electrospinning of two polymer solvents in a coaxial, two-capillary spinneretsystem. Three groups of composite nanofibers, Nylon-6(cell)/PVA(core), PC(cell)/PU(core) and PU(cell)/Nylon-6(core), have been developed using this technique.Morphological, structural, and mechanical characterizations are conducted for thedeveloped composite nanofibers and their applications as textile materials have beenexplored
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.1237.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Surface Modification of Nanosized Biphasic α-TCP/HA Powders (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 330-332 (Feb. 2007), p. 223-226 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Stearic acid was utilized to modify biphasic alpha-tricalcium phosphate(α-TCP)/hydroxyapatite (HA) powders in the ethanol. The results showed that the dispersion ofbiphasic α-TCP/HA powders (BCPs) in non-polar matrix improved. And the released content ofCa2+ and PO43- of the BCPs soaked in the NaAc-HAc buffer solution (pH 5.0) was almost same asthat before modification. Stearic acid could modify the suface properties of BCPs and would notobviously affect their biological characteristics, which affords a good groundwork of application ofcalcium phosphates powders
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.330-332.223.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Preparation of N-Doped TiO〈sub〉2〈/sub〉 Photocatalytic Paint and its Sterilization Performance under Visible-Light Irradiation (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 1964-1967 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A new functional photocatalytic paint was prepared by adding N-doped nanocrystalline anataseTiO2 powders into self-engineered oxidation resistance latex paint system. The property of the UV-Vislight absorbance of the paint was characterized. The effects of the amount, types, and the introducingmethods of the TiO2 in the paints on the behavior of the UV absorption, photocatalytic properties of thepaint were systematically investigated. UV-Vis absorption spectra reveal that the ultraviolet light canstrongly be absorbed by the paints. The absorption edge of the N-doped nanocrystalline anatase powdersmodified paint has red-shifted to visible light region. The colony counting method is used to study itssterilization performance under visible light irradiation. The sterilization experiments show that the rateof sterilizing staphylococcal bacteria by the N-doped TiO2 modified paint can exceed more than 99%after the paint has been irradiated by the visible light for 2 to 4 hours
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.1964.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Microstructures and Mechanical Properties of Natural Fibers (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 33-37 (Mar. 2008), p. 553-558 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Natural fibers are excellent substitute materials for man made fibers in making fiberreinforced composites due to their high specific strength and modulus, low density, low price, easyavailability in some countries, recyclable and degradable properties. They have raised great attentionsamong material scientists and engineers in the past decade. Many researches have been conducted tostudy the mechanical properties, especially interfacial properties of natural fiber reinforcedcomposites. However, the properties, such as mechanical performances, moisture absorptionbehaviors, et. al of natural fibers themselves have been seldom investigated. Knowing the relationshipbetween microstructures and properties of natural fibers are important for understanding the bulkproperties of natural fiber composites and also good instructions for designing bio-mimic materials.In this study, four kinds of natural fibers which were extracted from different plant sources wereinvestigated. The microstructures of these natural fibers were revealed with the aid of opticalmicroscopy. Microstructure models were thereof set up and mechanical properties for therepresentative volume element were assumed. Fiber bundle fracture models together with probabilitystatistics analysis were employed to calculate the mechanical properties of natural fibers. The resultswere compared with the experimental measurements. Different mechanical behaviors of naturalfibers which were functioned differently in the nature were clearly explained by the above studies
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.33-37.553.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Deformation Analysis of Shape Memory Alloy Using SEM Scanning Moiré Method (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 33-37 (Mar. 2008), p. 675-680 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In this paper, scanning electron moiré method is used to measure the mechanical behaviorof Ferro-based shape memory alloys(SMA). The moiré patterns are formed by the interferencebetween a 1000 lines/mm cross-type specimen grating (which is fabricated using electron beamlithography) and the scanning lines of Scanning Electron Microscope (SEM). When the specimen issubjected to uniform tension load at the room temperature, the unloading residual strain values in thedifferent regions under the same tensile load and the values in the same region under different tensileloads are compared respectively. The shape memory effect is also studied. From the experimentalresults, it can be concluded that the proposed moiré method is highly accurate to measure themechanical behavior of microscopic field
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.33-37.675.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    An Evaluation of CaF〈sub〉2〈/sub〉 Doping Tricalcium Silicate as Dental Restorative Materials (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 47-50 (June 2008), p. 1339-1342 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The aim of this study was to evaluate the suitability of CaF2 doping tricalcium silicate(Ca3SiO5, C3S) as dental restorative materials. The solid state reaction method was used to prepareCaF2 doping C3S (F-C3S) using CaCO3, SiO2 and CaF2 as the starting materials. The in vitrobioactivity, the rate of heat evolution and the compressive strength were investigated. The in vitrobioactivity was examined by soaking the pastes in simulated body fluid (SBF). The FTIR and SEMresults indicated the hydroxycarbonate apatite (HCA) layers of F-C3S pastes and pure C3S pastesoccurred after soaking for 1 day and 3 days, respectively. The difference in bioactivity wasattributed to the formation of F-substituted apatite, which has a Ksp lower than HCA. As comparedwith the pure C3S, the rate of heat evolution during the hydration of F-C3S was slower. This wasavail to the dimensional stability of dental restorative materials. The pastes of F-C3S had a lowerearly compressive strength in the early stage, but a higher compressive strength in the later stage.Our results indicated that F-C3S would be bonded better to the teeth because of the earlier formationof HCA and the higher later compressive strength. F-C3S may be a progressive candidate for dentalrestorative materials
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/41/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.47-50.1339.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    An Analysis of Temperature Stress and Deforming Considering Shrinkage and Creep in Super-Long Frame Structure (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 326-328 (Dec. 2006), p. 1467-1470 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: To test the temperature stress and deformation of the major platform in NanjingOlympic Sports Center, 8 shrinkage members and 3 creep members were poured on the worksitefor comparison analysis. With finite elements analysis, gliding rubber supporters were used on allthe pillar tops. The floor stress would be in a constant compressive stress with pre-stress andpost-cast-span. This method makes the appearance and developments of structure cracks undereffective control. Under temperature changes, the buildings were ensured not to have damageablecracks. This project was passed with super quality
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.326-328.1467.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Research on Morphology and Phase Structure of Al/Cu Interfaces Formed by Explosive Cladding (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 2569-2571 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The morphology and phase structure of Al/Cu explosive compounded interface were observedby scanning electron microscope, high-resolution transmission electron microscope and X-ray energyspectrometer. The results reveal that the interface of Al/Cu appears wave-like structure, with an averagewavelength of 1.0mm and crest height of 0.3mm. Every wave has its front-nest. The wavelike interfacesare composed of microcrystal compound layer, non-crystal and nanocrystal. Several kinds of compoundssuch as Al9Cul2, Al4Cu9, Al2Cu, η-AlCu, β-AlCu3 and unidentified phase structure were found inAl/Cu interface. There are some bent lattice fringes around the front-nest. The research of microstructurein anchoring area revealed the nature of explosive cladding in metallurgical anchoring
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/54/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.2569.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Surface Aluminizing and Internal Oxidation of Cu-Al-Y Alloy (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 2661-2663 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A method of the aluminizing treatment on the surface of Cu-Al-Y alloy with addition of rareearth compound CeCl3 in 1173K was carried out. The followed internal oxidation of the aluminizedCu-Al-Y alloy was also carried out in the commercial nitrogen gas medium to generate Al2O3 dispersedhardening copper matrix composites. The hardness distribution in aluminized layer and microstructurewere studied. Results show that the addition of rare earth oxide CeCl3 has great accelerating effect on thealuminizing, the aluminized layer deeper and uniform than that not add CeCl3 at the same condition. It ispossible to generate Al2O3 particles dispersed hardening layer depth reached about 200μm in the surfaceof specimens with aluminizing and internal oxidation technique
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/54/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.2661.pdf
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