... generates a total 42,224 number of elements. The adaptive remeshing technique in DEFORM 3D helps to avoid mesh distortion that generates because of large plastic deformation during FSSW simulation. The maximum interference depth (the depth, an element edge of the workpiece, crosses the surface of the tool...

... the nucleation of the twin to the reorientation of the nanowire. For [110]-oriented Fe nanowires, the plastic deformation is dominated by dislocation slip. The independent events such as the nucleation, slip, and annihilation of dislocations are the causes of the unsteady fluctuations in the stress–strain curve...

...P. C. Zhao; Y. T. Hu; L. L. Wang; Z. W. Liu The plastic deformation during flash-butt welding (FBW) and its effects on weld quality are investigated by using numerical and experimental methods. The electro-thermo-mechanical coupling model of FBW is validated by comparing the calculated temperature...

... analysis plastic deformation self-pierce riveting The need to decrease fuel consumption and greenhouse gas emissions has led the automotive industry to seek materials with enhanced strength-to-weight ratios [ 1 ]. Suitable materials, such as aluminum and magnesium alloys, are being employed...

... the particle-matrix interface. 13 04 2011 14 06 2011 20 10 2011 20 10 2011 particle reinforced composites particle size plastic deformation plasticity size effect stress-strain relations work hardening strain gradient plasticity metal matrix composites particle size...

... effect. elastoplasticity fatigue plastic deformation steel work hardening Many existing industrial structures such as pressure layers in nuclear plants, turbine fan blades in aviation or energetics, and even variety of pressurized vessels and other containers are subjected...

... 01 07 2011 01 07 2011 calcium compounds cavitation crazing differential scanning calorimetry drawing (mechanical) elastic deformation filled polymers particle reinforced composites particle size plastic deformation scanning electron microscopy tensile strength...

.... Each method is evaluated at a number of temperatures. 20 05 2010 18 01 2011 23 03 2011 23 03 2011 aluminium alloys boron alloys carbon chromium alloys extrapolation fatigue gas turbines molybdenum alloys nickel alloys niobium alloys plastic deformation superalloys...

... significantly increases the creep resistance. Descriptive equations that predict low-stress creep plasticity, which are somewhat different than traditional creep-equation forms, are presented. cold working creep plastic deformation plasticity stainless steel yield stress It has been suggested...

...Marcin Hojny; Miroslaw Glowacki The subject of the presented paper is the modeling of strain-stress relationship, which is the main mechanical property characteristic of the behavior of steel subjected to plastic deformation. The major challenge of the research is the temperature of the deformation...

...Yong Huang; Mason Morehead Various methods for the production of bulk nanostructured (NS)/ultrafine-grained (UFG) materials have been developed, including equal channel angular extrusion (ECAE), a form of severe plastic deformation. Using an ECAE NS/UFG copper bar as an example, this study has...

...C. D. Hopkins; M. J. Dapino; S. A. Fernandez Ultrasonic additive manufacturing (UAM) is an emerging solid-state fabrication process that can be used for layered creation of solid metal structures. In UAM, ultrasonic energy is used to induce plastic deformation and nascent surface formation...

...X. H. Zhou; X. Su The surface topography of aluminum and titanium alloys after plastic deformation is investigated using white-light interferometry. The surface profiles of tensile samples in the longitudinal and transverse directions are analyzed. The surface develops self-affine roughness...

... MPa for internal pressurization, and 300 ° C for forming temperature. Using this testing machine, experiments of T-shape protrusion of magnesium alloy AZ61 tubes at elevated temperatures are carried out. A commercial finite element code DEFORM 3D is used to simulate the plastic deformation of the tube...

... internal stresses martensitic steel plastic deformation shot peening lath martensite residual stress relaxation crystal plasticity shot peening It is well known that mechanical surface treatments, such as deep rolling, shot peening, and laser shock peening, can significantly improve...

...E. A. Baxevani; A. E. Giannakopoulos The present paper presents a relation between the vickers hardness HV and the loading stiffness C of instrumented vickers indentation of metal substrates. The relation is based on the fact that the nonaxisymmetry of the plastic deformation of the vickers...

... is made between ECAP and NECAP. Finally, texture predictions are presented for NECAP of fcc polycrystals. The advantages of this severe plastic deformation process are the following: (i) significantly larger strains can be obtained in one pass with respect to the classical ECAP process, (ii) grains become...

... whitening levels. Increased surface irregularity and large size voids at high forming temperatures produce lower stress whitening. 23 04 2009 10 12 2009 15 06 2010 15 06 2010 cracks filled polymers particle reinforced composites plastic deformation stress-strain...

... micromechanics plastic deformation plasticity shear strength tensile strength Most structural components are subjected to cyclic loading with some type of overload (OL), including structural components in military aircraft. The modeling effects of initial overloads on the fatigue behavior of metals...

... the cyclic behavior of the employed aluminum alloy. 14 04 2008 13 02 2009 02 11 2009 02 11 2009 aluminium alloys elasticity fatigue micromechanics plastic deformation plasticity probability stress-strain relations thermodynamic properties As far as the crack...