Multiscale model to study the effect of interfaces in carbon nanotube-based composites
Article Abstract:
A hierarchical multiscale methodology linking molecular dynamics and the finite element method through atomically informed cohesive zone model parameters to represent interfaces is developed to study the atomic scale interface effects on composite behavior. The developed methodology is used to study the effect of interface strength on stiffness of the carbon nanotubes (CNT)-based composite.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 2005
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A new quantitative sensitivity analysis of the flow stress of 18 engineering materials in machining
Article Abstract:
A new quantitative sensitivity analysis of the flow stress of 18 engineering materials based on the well-known Johnson-Cook model is presented. The sensitivity analysis helps to clarify how strain hardening strain-rate hardening, and temperature softening quantitatively contribute to the variation of the material flow stress when cutting different work materials.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 2005
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Mesodamage evolution in polycrystals
Article Abstract:
A micromechanical model of damaged elasto-inelastic behavior is proposed to predict the plastic fatigue life for fcc metallic polycrystals under multiaxial loading paths. It is demonstrated that the model can correctly describe the overall and local damaged behavior of polycrystals.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 2005
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