... of ASME for publication in the J ournal of E ngineering M aterials and T echnology . 30 10 2021 15 02 2022 15 02 2022 18 03 2022 shock tube FSSW joining sheet forming strain rate failure plastic deformation constitutive relations fracture mechanical behavior...

... 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. 15 11 2010 06 03 2011 18 07 2011 18 07 2011 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...

... mechanisms in semicrystalline polymers. 26 03 2010 04 03 2011 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...

... to ductility, increases with temperature. The elevated measure of plasticity and the customary availability of monotonic tensile tests contribute to the appeal of this well-known method. Plastic deformation obtained through the tensile test is comparable to that which would be observed via a high-strain...

... 2010 22 11 2010 21 03 2011 21 03 2011 cold working creep plastic deformation plasticity stainless steel yield stress It has been suggested that creep plasticity at low temperatures (and in general) can occur in materials with relatively high strain-rate sensitivity...

...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...

... (percentage) of relaxation. Describing the differential intergranular yielding is necessary to capture the experimentally observed residual stress relaxation trends. bending crystal microstructure fatigue internal stresses martensitic steel plastic deformation shot peening 24 11 2009 27...

... 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. cracks filled polymers particle reinforced composites plastic deformation stress-strain relations thermoforming thermoforming particulate reinforced composites...

...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...

... 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...

... and on the fatigue life are carefully studied. It shows the dependence of the fatigue life on the mean stress value. 14 04 2008 13 02 2009 02 11 2009 02 11 2009 aluminium alloys elasticity fatigue micromechanics plastic deformation plasticity probability stress-strain relations...