103 Result(s)
within
English
Engineering
Characterization and Evaluation of Materials
Pan **g
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Article
The limit load of a C-shaped specimen
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Article
Void nucleation effects on shear localization in porous plastic solids
The influence of void nucleation occurring during the deformation history on shear localization is investigated by employing a constitutive model of a rate independent porous plastic solid. Both plastic strain...
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Localization of deformation in rate sensitive porous plastic solids
The effect of material rate sensitivity on the localization of deformation in a porous visco-plastic solid is examined under plane strain tension and axisymmetric tension conditions. The plastic flow rule prop...
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Photothermal radiometric detection and imaging of surface cracks
This paper discusses surface crack detection by photothermal radiometric imaging (PRI). In PRI, also called dynamic infrared scanning, a surface is scanned with a spot of heat. Imperfections are detected by ra...
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The double-light-beam method in three-dimensional scattered-light photoelasticity
This paper presents a new scattered-light photoelasticity technique which may be called the double-light-beam measurement method. Principal-stress directions and relative retardations related to the principal-...
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Plane-stress crack-tip fields for power-law hardening orthotropic materials
Plane stress mode I near-tip fields in orthotropic materials are examined. Plastic orthotropy is described by Hill's quadratic yield function and the strain hardening behavior is given by an appropriate genera...
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Plane-stress crack-tip fields for perfectly plastic orthotropic materials
Plane stress mode I crack-tip fields for perfectly plastic orthotropic materials are studied. Plastic orthotropy is described by Hill's quadratic yield function. The construction of crack-tip fields is based o...
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Plane-strain mixed-mode near-tip fields in elastic perfectly plastic solids under small-scale yielding conditions
Within the context of the small-strain approach, plane-strain mixed-mode near-tip fields of a stationary crack in an elastic perfectly plastic Mises solid under small-scale yielding conditions are examined by ...
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The numerical variational principle of structural analysis for elastoplastic creep damage problems
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The effects of rate sensitivity and plastic potential surface curvature on plastic flow localization in porous solids
Plastic flow localization in porous elastic-viscoplastic solids is analyzed with an emphasis on the effects of material rate sensitivity and plastic potential surface curvature. The effect of rate sensitivity ...
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The effect of grain-size on the stress and velocity fields ahead of a crack in a material which deforms by Coble creep
The stress and velocity fields ahead of a grain-boundary crack in a material which deforms by Coble creep are investigated for a series of grain sizes using the numerical analysis technique established by Cock...
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Void growth ahead of a dominant crack in a material which deforms by coble creep
This paper examines the process of void growth ahead of a dominant crack in a material which deforms by grain-boundary diffusion. A numerical technique recently developed by the authors is used to analyse the ...
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A statically determined solution for the near tip field of plane stress steady state crowing cracks
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Effects of non-singular stresses on crack-tip fields for pressure-sensitive materials, Part 1: Plane strain case
Mode I near-tip stress fields for elastic perfectly plastic pressure-sensitive materials under plane strain and small-scale yielding conditions are presented. A Coulomb-type yield criterion described by a line...
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Interaction of a dislocation with a surface crack in nonlocal elasticity
The interaction of a screw dislocation with a surface crack is analyzed in nonlocal elasticity under applied shear loading. The stress field is determined near the crack and the dislocation. The classical sing...
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Edge function analysis of stress intensity factors in cracked anisotropic plates
The edge function method, which involves the use of analytic solutions to model field behavior in the various parts of an elastic region, is applied to the analysis of a finite anisotropic plate with a single ...
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Response to discussion “fracture mechanics analysis of cracked 2-D anisotropic media with a new formulation of the boundary element method” by E. Pan and B. Amadei
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Fracture of SiC tubes under combined tension/torsion
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Influences of non-singular stresses on plane-stress near-tip fields for pressure-sensitive materials and applications to transformation toughened ceramics
In this paper, we investigate the effects of the non-singular stress (T stress) on the mode I near-tip fields for elastic perfectly plastic pressure-sensitive materials under plane-stress and small-scale yielding...
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Fracture mechanics analysis of cracked 2-D anisotropic media with a new formulation of the boundary element method
A new formulation of the boundary element method (BEM) is proposed in this paper to calculate stress intensity factors for cracked 2-D anisotropic materials. The most outstanding feature of this new approach i...
