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  • 1
    Electronic Resource
    Electronic Resource
    Viscoplastic behaviour of stainless steel AISI 316L under cyclic loading conditions (1990)
    Springer
    Acta mechanica 84 (1990), S. 109-125 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Experimental results on stainless steel AISI 316L under cyclic loading conditions, at room temperature, showing dependence of the consolidation stress on strain rate are obtained and used for the calibration of a viscoplastic numerical model based on total strain and overstress. An explicit dependence for the evolution of the nonlinear viscosity function on cycle number and strain rate on the one hand, and of the equilibrium stress-strain diagram origin shift at loading reversal on cycle number, have been obtained and the calibrated model is found to yield results which are in very good agreement with the experimental data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01176091
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Buckling of a rectangular plate under a self-equilibrating stress due to dislocations (1994)
    Springer
    Acta mechanica 104 (1994), S. 97-103 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The buckling of thin elastic rectangular plates due to two arrays of edge dislocations symmetrically placed with respect to the longitudinal axis of the plate is studied for two different dislocation orientations. The analysis is based on the governing equation of plate buckling. Through a standard eigenvalue analysis the buckling criterion is analytically-numerically computed and numerical results are presented pertaining to cases of practical engineering interest such as welding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01170279
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Viscoplastic behaviour of stainless steels AISI 316L and 316H (1989)
    Springer
    Acta mechanica 76 (1989), S. 161-187 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The theory of viscoplasticity based on total strain and overstress is used in order to simulate the sensitivity to the rate of loading of two commonly used stainless steels, namely AISI 316L and 316H. The consitutive model has been implemented within a transient finite element computer code using a stress update algorithm based on the elastic predictor-return mapping concept. Both monotonic and cyclic loading conditions are considered in one or more space dimensions. Experimental results showing strain-rate dependence at room temperature are reported for both types of steel and used for calibrating the viscoplastic numerical model. An explicit dependence of the nonlinear viscosity function on the strain rate has been obtained and the calibrated model is found to yield results which are in excellent agreement with the experimental data. Finally the calibrated viscoplastic model is applied to predict the response of two representative structures subjected to impulsive loading. The results indicate a significant effect of the rate of loading on the internal stress distribution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01253578
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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