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  • 1
    facet.materialart.
    Unknown
    Academic
    In:  New York, Academic, vol. 2, no. 3, pp. 2-203, (ISBN 0-19-513895-3)
    Publication Date: 1971
    Keywords: Textbook of geophysics ; Rheology ; Inelastic ; Maxwell ; SLS ; Zener ; standard ; linear ; solid ; Attenuation ; QVAL
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Rheologica acta 25 (1986), S. 440-443 
    ISSN: 1435-1528
    Keywords: Nonlinear elastic constitutive model ; strain stiffening behavior ; membrane inflation ; extension ; natural rubber
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract A nonlinear, two constant stress-deformation form is deduced for elastic materials. At very large stretch ratios of greater than about 3 or 4, the model exhibits the strain stiffening behavior common to many elastomers. The constitutive form is very simple since the two material constants enter it as multiplying constants times certain nonlinear deformation terms. The model is evaluated with respect to data upon natural rubber under both uniaxial and bi-axial stress conditions. The model is also used to evaluate data obtained from a nonlinear membrane inflation experiment. The latter experimental capability and corresponding data are new.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 19 (1968), S. 233-243 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Zusammenfassung Es werden zwei Variationsprinzipien und zwei zugeordnete Minimalprinzipien für die lineare Theorie der Viscoelastizität aufgestellt. Dabei werden Bedingungen formuliert, welche hinreichend sind für eine Lösung mit Variablen-Trennung.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 19 (2000), S. 1465-1468 
    ISSN: 1573-4811
    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
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 18 (1999), S. 1371-1373 
    ISSN: 1573-4811
    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
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    International journal of fracture 15 (1979), S. 3-21 
    ISSN: 1573-2673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Résumé On généralise le critère d'instabilité de Griffith pour la propagation d'une fissure afin de fournir un critère pour une croissance de fissure dépendant du temps. La procédure utilisée est similaire à celle de Griffith quand il en est fait usage pour un équilibre global de l'énergie. La méthode de Griffith est généralisée par l'insertion d'un terme de dissipation du taux énergétique dans la loi d'équilibre. Ce terme de taux de dissipation est dérivé afin de représentér le comportement des matériaux viscoélastiques; dès lors, les résultats finals sont principalement applicables au comportement des polymères. Les résultats finals consistent en des expressions analytiques concises pour exprimer la vitesses de propagation en fonction des propriétés de fluage du matériau, du niveau de contrainte et de l'énergie ou du travail associé aux nouvelles surfaces créées par la fissure en cours de propagation. Ces solutions analytiques sont tout à fait générales; la restriction première qui y est apportée procède du fait qu'elles sont dérivées de conditions asymptotiques pour des vitesses de fissuration élevées et lentes. Pour finir, on compare les prédictions analytiques avec les résultats expérimentaux dans le cas d'un élastomère polyuréthane.
    Notes: Abstract The Griffith instability criterion for crack propagation is generalized to provide a criterion for time-dependent crack growth. Our procedure is similar to that of Griffith in its use of a global energy balance. The Griffith method is generalized by the inclusion of the rate-of-energy dissipation term in the balance law. This rate-of-dissipation term is derived to represent the behavior of viscoelastic materials; thus the final results are applicable primarily to polymeric behavior. Our final results are concise analytical expressions [Eqns. (50)] for crack velocity as a function of the creep properties of the material, the level of loading, and the energy or work content of the crack-generated new surface. These analytical solutions are quite general; the primary restriction occurs because they are derived under asymptotic conditions of high- and low-crack velocities. Finally, we compare the analytical predictions with experimental results for a polyurethane elastomer.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    International journal of fracture 16 (1980), S. R233 
    ISSN: 1573-2673
    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
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    International journal of fracture 17 (1981), S. R169 
    ISSN: 1573-2673
    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
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    International journal of fracture 23 (1983), S. R11 
    ISSN: 1573-2673
    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
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  • 10
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 33 (1987), S. 1053-1054 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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