...B. Yang; J. Irsa; Y.-P. He; C. A. Lundgren; Y.-P. Zhao A parametric study is carried out to shed light on the elastoplastic behavior of a nanowire under lithiation. The Li-ion diffusivity is assumed to be significantly higher at near-saturation than at dilute concentration. It leads...

...Cyprian T. Lachowicz; Dorian S. Lachowicz Presenting a method of identifying and calculating the elastoplastic strain energy density with the instantaneous power of strain, authors of this paper propose using it as a fatigue life/parameter for materials prone to nonproportional cyclic hardening...

... adhesives cracks elastoplasticity shear modulus shear strength stress analysis tensile strength viscoplasticity 09 05 2010 10 03 2011 05 07 2011 05 07 2011 2011 American Society of Mechanical Engineers ...

... of the steel container adds additional compression to the glass, which lowers the internal tensile stress levels. This is balanced by tensile stress in the steel wall that causes it to yield. 28 07 2010 22 04 2011 24 06 2011 24 06 2011 elastoplasticity finite element...

... to determine residual deformation and stresses. Algorithmic consistent moduli for elastoplastic deformations including transformation plasticity are also obtained. Leblond’s phase evolution equation, coupled with the energy equation, is employed to calculate the phase volume fraction; this plays an important...

... damage model. The fatigue damage can be caused by numerous loading cycles, even in an elastic state; the damage will then influence the elastoplastic behaviors. The coupling effect of both enfeebles the material strength and leads to the rupture. An important improvement on the Sines fatigue criterion...

... elastoplasticity fatigue finite element analysis notch strength shapes (structures) stress-strain relations Theory of Critical Distances notch cyclic plasticity low/medium-cycle fatigue Critical distance approaches have been used for over half a century for the prediction of fatigue and other...

... alloy specimens is developed. In parallel ceramic-metal joints are produced and tested. Residual stresses are measured by X-ray diffraction while the joint strength is assessed by four-point bend tests. The obtained elastoplastic properties of the filler are introduced into finite element models...

.... , 1994 , “ Post-Critical Discontinous Localization Analysis of Small-Strain Softening Elastoplastic Solids ,” Arch. Appl. Mech. 0939-1533 , 64 , pp. 267 – 285 . Steinmann , P. , Larsson , R. , and Runesson , K. , 1997 , “ On the Localization Properties of Multiplicative Hyperelasto...

... equations in the framework of continuum damage mechanics under large plastic deformation are presented. Special care is paid to the strong coupling between the main mechanical fields such as elastoplasticity, mixed nonlinear isotropic and kinematic hardenings, ductile isotropic damage, and contact...

...Serge Cescotto; Li Xiang; Laurent Duchene 29 06 2007 25 01 2008 13 03 2008 cracks elasticity elastoplasticity fracture mechanics nonlinear media The natural neighbor method can be considered as one of the many variants of the meshless methods...

... and processed with the optical system. The results were compared to existing analytical models for fully elastic and elastoplastic cases as well as a finite element model developed using a Johnson–Cook plasticity material model. The comparison shows that the analytical models do not predict the experimental...

...-dimensional form and it applies to full density materials for which the yield/failure strength in uniaxial tension is less than or at most equal to the magnitude of that in uniaxial compression. ductile-brittle transition failure (mechanical) yield stress plastic flow elastoplasticity...

... accuracy prior to the tryout stage of the press operations ( 5 6 7 ). springback optimization response surface methodology process parameter stress deviation automotive components steel response surface methodology deep drawing finite element analysis elastoplasticity optimisation...

...Chaiwut Gamonpilas; Esteban P. Busso A method that can determine uniquely the elastoplastic properties from indentation loading and unloading curves has been developed. It is based on finite element modeling and inverse analysis of two separate indenters. The approach was validated by numerical...

...S. A. Meguid; G. Shagal; J. C. Stranart In this paper, we provide two different symmetry cells to describe the shot-peening process. In this multiple impingement model, we study the dynamic behavior of TI-6Al-4V targets subjected to a large number of shots. Three-dimensional elastoplastic finite...

... optimum thickness and to test different thermal loads in order to optimize the industrial process and to improve the tool’s life. 11 09 2003 26 06 2006 stress analysis finite element analysis thermal stresses life testing thermocouples pyrometers elastoplasticity viscoplasticity...

..., the highly developed mathematical methods used in plasticity can be used to describe shape memory alloys. nickel alloys titanium alloys wires thermoelasticity elastoplasticity thermomechanical treatment martensitic transformations reverse martensitic transformations martensitic structure...

... is no longer elastic but plastic or rather viscoplastic. Such behavior requires a nonlinear viscoplastic model but also a method for model parameters determination. viscoplasticity parameters identification glassy polymers behavior elastoplasticity viscoplasticity polymers amorphous state...

..., shows an elastoplastic response. Microcracking at the corners of sharp indentations was not observed in amorphous nanoporous films, and rarely in harder, crystalline nanoporous films. High-resolution scanning electron microscopy revealed a collapse of the nanoporous structure beneath the indentor tip...