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  • 1
    Electronic Resource
    Electronic Resource
    Organoclay Effect on Transverse Tensile Strength and In-Plane Shear Strength of Unidirectional Glass/Epoxy Nanocomposites (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 334-335 (Mar. 2007), p. 773-776 
    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: This research focuses on the fabrication of glass fiber/epoxy organoclay nanocomposites aswell as on the investigation of organoclay effect on transverse tensile strength and in-plane shearstrength of the nanocomposites. To demonstrate the organoclay effect, three different loadings oforganoclay were dispersed respectively in the epoxy resin using a mechanical mixer followed bysonication. The corresponding glass/epoxy nanocomposites were produced by impregnating dry glassfiber with organoclay epoxy compound via a vacuum hand lay-up procedure. For evaluatingtransverse tensile strengths, the unidirectional coupon specimens were prepared and tested in thetransverse direction. Results indicate that with the increment of organoclay loadings, the glass/epoxynanocomposites demonstrate higher transverse tensile strength. On the other hand, the in-plane shearstrengths were measured from [± 45]s laminates. It is revealed that when the organoclay loadingsincrease, the in-plane shear strength of glass/epoxy nanocomposites also increases appropriately.Scanning Electron Microscopy (SEM) observations on the failure surfaces indicate that the increasingcharacteristics in transverse and in-plane failure stresses may be ascribed to the enhanced fiber/matrixbonding modified by the organoclay
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.334-335.773.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Size Effect on Fracture Behaviours of Epoxy Composites with Micron and Nano Alumina Particles (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 334-335 (Mar. 2007), p. 777-780 
    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: This research is aimed to fabricate the nano and micron particle reinforced composites aswell as to understand the particulate size effect on the mechanical behaviors of the composites. Thestiffness, strength and fracture toughness were investigated in this study. Spherical alumina particleswith diameters of 5 microns and 10-20 nano meters were dispersed respectively into the epoxy resinusing the mechanical mixer followed by the sonication. To measure the stiffness and strength of thecomposites, coupon specimens were prepared and then tested in tension. On the other hand, thefracture toughness was evaluated by performing three point bending tests on the single edge notchbending specimens. Experimental results revealed that the Young’s modulus of composites basicallyis not affected by particulate size; while, the tensile strength of the composites containing nanoparticles is higher than that with micron particles. From the fracture tests, it was indicated that thecomposites containing nano particles possess superior fracture toughness than the composites withmicron inclusions
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.334-335.777.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Investigating Nanoparticle Effect on the Mode I Fracture Toughness of Glass/Epoxy Composites (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 47-50 (June 2008), p. 1153-1156 
    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 research is aimed to investigate the influence of spherical nanoparticles on the fracturebehavior of glass fiber/epoxy composites. Two different contents of silica nanoparticles, 10wt% and20wt %, were introduced into the composite samples. Through a sol-gel technique, the silica particleswith diameter of 25 nm were dispersed uniformly into the epoxy matrix. Subsequently, the silicaepoxy mixtures were impregnated into the unidirectional glass fiber mat by means of a vacuum handlay-up process to form the unidirectional glass fiber/epoxy laminate. During the fabrication, a porousfilm was inserted into the mid-plane of the laminate to generate the pre-crack. The Mode I fracturetoughness of the composites with different nanoparticles contents were then determined form thedouble cantilever beam (DCB) specimens. Based on the experimental observations, it was found thatthe glass fiber/epoxy composites with silica nanoparticles exhibit superior fracture toughness thanthose that do not contain any silica particles. Scan Electronic Microscopy (SEM) observations on thefailure surfaces indicated that the enhanced fracture toughness could be due to the improvedinterfacial bounding in conjunction with the nanoparticle debonding from the surrounding epoxy. Ingeneral, such failure mechanisms may complicate the fracture process, dissipating more fractureenergy
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/41/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.47-50.1153.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Fabrication and Mechanical Properties of Glass Fiber/Epoxy Nanocomposites (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 505-507 (Jan. 2006), p. 37-42 
    Details
    ISSN: 1662-9752
    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: This research is aimed to fabricate glass fiber/epoxy nanocomposites containingorganoclay as well as to understand the organoclay effect on the in-plane shear strength of thenanocomposites. To demonstrate the organoclay effect, three different loadings of organoclay, weredispersed in the epoxy resin using mechanical mixer followed by sonication. The correspondingglass/epoxy nanocomposites were prepared by impregnating the organoclay epoxy mixture into the dry glass fiber through a vacuum hand lay-up process. Off-axis block glass/epoxy nanocomposites were tested in compression to produce in-plane shear failure. It is noted only the specimens showing in-plane shear failure mode were concerned in this study. Through coordinate transformation law,the uniaxial failure stresses were then converted to a plot of shear stress versus transverse normal stress from which the in-plane shear strength was obtained. Experimental results showed that the fiber/epoxy nanocomposite exhibit higher in-plane shear strength than the conventional composites. This increased property could be ascribed to the enhanced fiber/matrix adhesion promoted by theorganoclay
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/11/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.505-507.37.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Investigating Strain Rate Effect on Transverse Compressive Strength of Fiber Composites (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 306-308 (Mar. 2006), p. 733-738 
    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: This research aims to investigate strain rate effect on transverse compressive strength of unidirectional fiber composites. Both glass/epoxy and graphite/epoxy composites were taken into account in this study. To demonstrate strain rate effect, composite brick specimens were fabricated and tested to failure in the transverse direction at strain rate ranges from 10-4/s to 500/s. For strain rate less than 1/s, the experiments were conducted by a hydraulic MTS machine. However, the higher strain rate tests were performed using a Split Hopkinson Pressure Bar (SHPB). Experimental observations reveal that the transverse compressive strengths increase corresponding to the increment of the strain rates. A semi-logarithmic function was employed to describe the rate sensitivity of the transverse compressive strength. SEM photographic on the failure surfaces depicts that forglass/epoxy composites, the failure mechanism is mainly due to the matrix shear failure, however, for the graphite/epoxy composites, it becomes the fiber and epoxy interfacial debonding which could dramatically reduce the transverse compressive strengths of the fiber composites
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/50/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.306-308.733.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Strain Rate Effect on Out of Plane Shear Strength of Fiber Composites (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 345-346 (Aug. 2007), p. 725-728 
    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: This research aims to investigate strain rate effect on the out of plane shear strength ofunidirectional fiber composites. Both glass/epoxy and graphite/epoxy composites were considered inthis study. To demonstrate strain rate effect, composite brick specimens were fabricated and tested tofailure in the transverse direction at strain ranges from 10-4/s to 700/s. Experimental observationsreveal that the main failure mechanism of the specimens is the out of plane shear failure taking placeon the plane oriented around 30 to 35 degree to the loading direction. The corresponding out-of-planeshear strength was obtained from the uniaxial failure stress through Mohr-Coulomb strength analysis.In addition, the associated shear strain rate on the failure plane was calculated through the coordinatetransformation law. Results show that the out-plane shear strength increases with the increment of theshear train rates. A semi-logarithmic function expressed in terms of the normalized shear strain ratewas employed to describe the rate dependence of the out-plane shear strength
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/54/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.345-346.725.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    An intuitive and device-independent method of generating color atlases for electronic displays (1998)
    Springer
    The visual computer 14 (1998), S. 328-342 
    Details
    ISSN: 1432-2315
    Keywords: Key words: CIE UCS ; CIE L*u*v* ; 3D Color gamut ; Color atlas ; Color scheme ; Device-independent color description ; CRT ; Displays ; device colorimetric characterization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003710050144
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  • 8
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    Characterizing mechanical properties of graphite using molecular dynamics simulation (2010)
    Elsevier
    Details
    Publication Date: 2010-01-01
    Print ISSN: 0261-3069
    Electronic ISSN: 1873-4197
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Elsevier
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  • 9
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    Organoclay effect on transverse compressive strength of glass/epoxy nanocomposites (2006)
    Springer
    Details
    Publication Date: 2006-09-20
    Print ISSN: 0022-2461
    Electronic ISSN: 1573-4803
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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  • 10
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    Cytotoxicity of municipal solid waste incinerator ash wastes toward mammalian kidney cell lines (2008)
    Elsevier
    Details
    Publication Date: 2008-05-01
    Print ISSN: 0045-6535
    Electronic ISSN: 1879-1298
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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