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  • 1
    Electronic Resource
    Electronic Resource
    Selectivity of singlet methylene reactions with cycloalkenes (1976)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 80 (1976), S. 1653-1657 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100556a002
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The relationship between tensile strength and flexure strength in fiber-reinforced composites (1980)
    Springer
    Experimental mechanics 20 (1980), S. 211-216 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Tensile data on unidirectional composites generated from a flexure test usually yield a higher strength than observed from a standard tensile coupon. According to a statistical-strength theory based on a Weibull distribution, the presence of a stress gradient in the flexure-test results in an apparent increase in tensile strength as compared to the tensile test under uniform stress. In the present paper, this concept is explored by utilizing data from unidirectional graphite-epoxy composites to compare with theoretical results generated from a two-parameter Weibull distribution. A larger variation in tensile strength is observed from tensile-coupon data than from flexure data. Such differences are not in accordance with strength theories based on a uniform flaw distribution and raise questions concerning variability of the test methods, as well as sources of material variability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02327601
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Experimental determination of shear modulus of laminated fiber-reinforced composites (1967)
    Springer
    Experimental mechanics 7 (1967), S. 447-448 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02326304
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    On short-beam shear tests for composite materials (1985)
    Springer
    Experimental mechanics 25 (1985), S. 294-300 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Interlaminar beam tests in the form of three-point and four-point flexure are examined both experimentally and analytically. Experimental data are obtained on unidirectional composites. Photomicrographs of actual failure modes and results of a stress analysis based on classical theory of elasticity are utilized to supplement the experimental data. Complex failure modes in the presence of extremely high combined stress gradients are observed and cast serious doubts on the usefulness of interlaminar-beam experiments for characterizing the delamination resistance of composite materials. Further difficulties are encountered with ductile-matrix-resin composites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02325100
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of end attachment on the strength of fiber-reinforced composite cylinders (1973)
    Springer
    Experimental mechanics 13 (1973), S. 185-192 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The effect of end fixity on the strength of composite cylindrical characterization specimens subjected to axisymmetric loading is studied both analytically and experimentally. Flügge's shell theory in conjunction with the maximum-strain criterion is used to study the effect of end moments and load introduction on tube strength. Analytical results are compared to data obtained on graphite/epoxy fiber-reinforced tubes and flat specimens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02322651
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Use of the flexure test for determining environmental behavior of fibrous composites (1978)
    Springer
    Experimental mechanics 18 (1978), S. 185-190 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Use of the unidirectional flexure test for assessing environmental effects on organix matrix composites is investigated. Results show that moisture and temperature induce a change in failure mode from filament dominated to matrix dominated. Thus, the flexure test provides a simple means for determining environmental conditions which induce significant changes in mechanical behavior related to flexure-stress conditions. Environmental test procedures are also emphasized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02324140
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Analysis for vinyl chloride in PVC powders by head-space gas chromatography (1975)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 19 (1975), S. 3169-3172 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: At a temperature above the glass transition point of poly(vinyl chloride) (PVC), the solubility of vinyl chloride monomer (VCM) in PVC accurately follows Henry's law behavior for VCM contents up to 4000 ppm. This observation has lead to a rapid, simple gas-chromatographic method for the determination of VCM in PVC from the analysis of the vapor phase (head-space) over PVC powder samples in a sealed container. The basic experimental techniques, calculations, and examples of experimental data are given. The method can be used with any commercial gas chromatograph equipped with a flame ionization detector without instrument modification.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1975.070191202
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    Paper (German National Licenses)
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