... breakage, plastic deformation of polymer matrix, friction between the bead and matrix, geometric interlocking between the bead and matrix, and debonding of the fiber–matrix, bead–matrix and fiber–bead interfaces are accounted for; calculations are carried out for pullout of beadless and beaded fibers...

... is encountered at point 2. For D soft  = 1.0 damage softening begins at the onset of plastic deformation (point 2) and continues to soften until D  = 1.0 and the failed surface is reached (point 3). For D soft  = 0.5 gradual softening begins at D  = 0.5 (point 4) and gradually softens to the failed surface...

... results, and the role of dislocation obstacles is interpreted in terms of their spatial density. Simulations provide insight into yielding and plastic deformation of indented single-crystal materials, and establish a basis for developing coarse-grained plasticity models of localized contact deformation...

... at cell level while maintaining the history of plastic deformation at ligament level. First, the phenomenological elastoplastic constitutive behavior of the ligaments composing the unit cell is modeled. Then, using the constitutive ligament model, the effective unit cell response is obtained from...

... mechanical contact metals plastic deformation rough surfaces shear strength slip yield stress contact mechanics analytical solution plasticity friction Green’s function influence coefficients The semi-analytical method (SAM)—which consists of the numerical summation of analytical...

... and dissipation effects. The study provides a basis to predict the particle impact damping containing plastic deformation and to model the impact damped vibration system enrolling microparticles as a damping agent. 03 03 2008 23 03 2009 23 07 2009 damping elastic deformation elastic...

... density functional theory dislocation density finite element analysis interface structure plastic deformation High strength Al–Cu–Mg alloys, such as 2024-Al and 2048-Al, were widely used in applications that require high fracture toughness and crack propagation resistance, such as aircraft...

.... 30 04 2008 26 01 2009 15 06 2009 alumina ceramics grain size hardness impact (mechanical) microcracks plasticity alumina sphere impact grain size microcracks plastic deformation constraint hardness When confined within a metallic medium, ceramics have...

... subsequently calibrated by finite element calculations. The results show that the ratio of scratch force to normal force (or apparent friction coefficient) can be partitioned into two additive components: one due to interfacial friction and another associated with plastic deformation. The plastic component...

... a value that considers both hysteresis due to the plastic deformation and viscoelastic (rate-dependent) sources of energy dissipation during collision. 22 11 2007 11 03 2008 20 08 2008 elasticity mechanical contact plastic deformation viscoelasticity viscoplasticity impact...

... . Nan , C. W. , and Clarke , D. R. , 1996 , “ The Influence of Particle Size and Particle Fracture on the Elastic/Plastic Deformation of Metal Matrix Composites ,” Acta Mater. 1359-6454 10.1016/1359-6454(96)00008-0 , 44 , pp. 3801 – 3811 . Stolken , J. S. , and Evans , A. G...

... delamination interfacial strength plastic deformation indentation hardness The delamination of thin coating films from substrates is a critical issue for the reliability of micro- and nanoelectronic devices, since interface failures may lead to failure of the total system. To measure the interfacial...

...W. Wayne Chen; Q. Jane Wang; Fan Wang; Leon M. Keer; Jian Cao Accumulative plastic deformation due to repeated loading is crucial to the lives of many mechanical components, such as gears, stamping dies, and rails in rail-wheel contacts. This paper presents a three-dimensional numerical model...

... entangled thermoplastic. 18 09 2006 16 02 2007 11 01 2008 polymers plastic deformation infrared detectors photodetectors infrared spectra compressive testing compressive strength yield strength temperature measurement thermomechanical treatment amorphous state split...

... and “ + ” for the tensile stress. The associated bending moments (undesired in most cases) will also be less pronounced in thicker plates. The outcome is that after the shot-peening process the mean residual stress inside the plastically deformed zone is uniformly compressive . The expressions for plane stress...

... metallic foam plastic deformation uniaxial loading yield strength strain hardening relative density The properties of metallic cellular materials (honeycomb, foam, hollow sphere agglomerate) have been studied extensively in recent years ( 1 ) owing to the wider engineering applications...

...Alexander M. Korsunsky; Gabriel M. Regino Autofrettage is a treatment process that uses plastic deformation to create a state of permanent residual stress within thick-walled tubes by pressurizing them beyond the elastic limit. The present paper presents a novel analytical approach...

... established. More generally, homogenization is also needed for large-scale (ship-level) simulations, even with unilayer cores. sandwich structures structural panels metals finite element analysis plastic deformation impact (mechanical) 10 12 2005 19 04 2006 Velocities...

... the behavior of the present element in linear plane stress states and non-linear plane strain states as well as in axi-symmetric problems. finite element analysis stress-strain relations elastic deformation plastic deformation nonlinear equations For practical industrial applications...

... decrease as energy is dissipated by plastic deformation of the faces and the core. They reach zero simultaneously in all constituents . This occurs at time t III , coincident with the back face reaching its final, permanent deflection (Figs. 9 10 ). Some differences among core topologies...