Sökning: "hyperelasto-plasticity"

Hittade 3 avhandlingar innehållade ordet hyperelasto-plasticity.

  1. 1. Modeling and experimental characterization of pearlitic rail steels subjected to large biaxial strains

    Författare :Knut Andreas Meyer; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; hyperelasto-plasticity; axial-torsion; kinematic hardening; biaxial loading; Pearlitic steel;

    Sammanfattning : Large shear strains develop in the near-surface region under the running band of railway rails. Rolling Contact Fatigue (RCF) cracks often initiate in this region, causing major problems for the railway industry. However, characterization of the constitutive and fatigue behavior of this region is difficult due to the large gradient of properties. LÄS MER

  3. 2. Modeling and experimental characterization of large biaxial strains and induced anisotropy in pearlitic rail steel

    Författare :Knut Andreas Meyer; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Pearlitic steel; yield criteria; distortional hardening; axial-torsion; kinematic hardening; biaxial loading; hyperelasto-plasticity;

    Sammanfattning : Large shear strains accumulate in the near-surface region under the running band of railway rails. In this region, rolling contact fatigue cracks often initiate, causing major problems for the railway industry. LÄS MER

  4. 3. Modeling of Inelastic Response of Metals with Emphasis on Cyclic Viscoplasticity

    Författare :Magnus Ekh; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; large strains; integration; anisotropy; plasticity; creep; viscoplasticity; kinematic hardening; metals; damage; calibration;

    Sammanfattning : This thesis is concerned with the continuum modeling of the macroscopic behavior of engineering metals, in particular as part of life prediction strategies. Focus is primarily placed on the formulation and numerics of models for cyclic rate-dependent response. LÄS MER