Sharif Digital Repository

Dislocation density and flow stress modeling of nanostructured Al-SiC p composite during accumulative roll bonding

Author

Kavosi, J.

Pub. Year

2013

Subjects

Composite model. / Dislocation density. / ETMB model. / Flow stress. / Accumulative roll bonding. / Al-SiC_p. / ARB. / Composite models. / Comprehensive model. / Dislocation densities. / Dislocation generation. / Dislocation structures. / Mechanical model. / Nano-structured. / SiC particles. / Strain and strain rates. / Stress evolution. / Stress modeling. / Plastic flow. / Roll bonding. / Silicon carbide. / Strain rate. / Aluminum.

Friction stir welding of severely plastic deformed aluminum using (Al2O3+ graphite) hybrid powders: Grain structure stability and mechanical performance

Author

Moosavi, S. E.

Publisher

Elsevier Editora Ltda,

Pub. Year

2022

Subjects

Al2O3. / Aluminum. / Constrained groove pressing. / Thermal stability. / Alumina. / Aluminum oxide. / Ductile fracture. / Friction. / Friction stir welding. / Grain boundaries. / Grain growth. / Grain refinement. / Grain size and shape. / Graphite. / Nanoparticles. / Powders. / Research laboratories. / Strain energy. / Friction-stir-welding. / Heat-affected zones. / One-pass. / Powder grains. / Stability performance. / Stir zones. / Structure stability. / Three-pass. / Weld efficiency. / Thermodynamic stability.

The effects of intermediate and post-annealing phenomena on the mechanical properties and microstructure of constrained groove pressed copper sheet

Author

Rafizadeh, E.

Pub. Year

2009

Subjects

Anneal. / Copper. / Microstructure. / Sever plastic deformation. / Abnormal grain growths. / Commercial purities. / Constrained groove pressings. / Copper sheets. / Elevated temperatures. / Inhomogeneity. / Post-annealing. / Properties and microstructures. / Severe plastic deformations. / Yield strengths. / Aluminum sheet. / Annealing. / Grain growth. / Hardness. / Plastic deformation. / Plastic sheets. / Mechanical properties.

Modeling of dislocation density and strength on rheoforged A356 alloy during multi-directional forging

Author

Kavosi, J.

Pub. Year

2014

Subjects

Dislocation density. / Multi-directional forging. / Nes model. / Dislocation densities. / Eutectic structures. / Globular phase. / Model prediction. / Shear-lag model. / Shear-punch tests. / Strength. / Alloys. / Aspect ratio. / Eutectics. / Forecasting. / Forging.

Assessment of the vertical stiffness of elastomeric bearing due to displacement and rotation

Author

Kazeminezhad, E.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Bearing rotation. / Elastomeric bearing. / Finite element. / Lateral displacement. / Bridge bearings. / Finite element method. / Rotation. / Base isolation. / Empirical relations. / Lateral displacements. / Nonlinear finite element program. / Vertical stiffness. / Stiffness.

Modified procedure of lead rubber isolator design used in the reinforced concrete building

Author

Kazeminezhad, E.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Base isolation. / Lead rubber isolator. / Nonlinear time history analysis. / Performance point method.

Friction stir welding of constrained groove pressed Al1050 using Al2O3 nanoparticles

Author

Keshavarz, H.

Pub. Year

2024

Subjects

Al2O3. / Friction stir welding. / Mechanical properties. / Microstructure. / Alumina. / Aluminum. / Aluminum alloys. / Aluminum oxide. / Crystal microstructure. / Dynamic recrystallization. / Friction. / Grain growth. / Grain refinement. / Grain size and shape. / Microhardness. / Nanoparticles. / Research laboratories. / Tensile strength. / Textures. / Constrained groove pressing. / Equiaxed grain structure. / Fine grain structure. / HAZ softening. / Microstructures and mechanical properties. / Nano sized. / Stir zones. / Three-pass. / Traverse speed.

On the sensitivity of the nanostructural parameters on youngg"s modulus of PLSNs in fully intercalated structures

Author

Zehtab Yazdi, A.

Pub. Year

2009

Subjects

Conventional models. / D-spacing. / Developed model. / Experimental data. / Fully intercalated structures. / Intercalated structures. / Low weight. / Micromechanical model. / Modeling results. / Multiscale modeling. / Multiscales. / Nanostructural. / Particle volume fractions. / Polymer chains. / Polymer layered silicate nanocomposites. / Polymer-layered silicate nanocomposites (PLSNs) / Silicate layers. / Structural parameter. / Theoretical investigations. / Aspect ratio. / Mechanical properties. / Polymers. / Silicates. / Nanocomposites.

Effect of severe plastic deformation on evolution of intermetallic layer and mechanical properties of cold roll bonded Al-Steel bilayer sheets

Author

Dehghanpour Baruj, H.

Publisher

Elsevier Editora Ltda,

Pub. Year

2020

Subjects

Aluminum. / Bilayer sheet. / Roll bonding. / Severe plastic deformation (SPD) / Steel. / Aluminum coated steel. / Aluminum sheet. / Annealing. / Cold rolled steel. / Energy dispersive spectroscopy. / Optical emission spectroscopy. / Plastic deformation. / Scanning electron microscopy. / Shear stress. / Tensile strength. / Constrained groove pressing. / Dislocation densities. / Field emission scanning electron microscopes. / Mechanical interlock. / Micro-structural observations. / Morphology and composition. / Severe plastic deformations. / Ultimate tensile strength. / Intermetallics.

Sound velocity in severely deformed aluminum alloys: AA1100 and AA2024

Author

Yaghoubi, F.

Publisher

Springer,

Pub. Year

2020

Subjects

Aluminum alloy. / Microstructure. / Multi-axial compression. / Severe plastic deformation. / Ultrasound velocity. / Acoustic wave scattering. / Axial compression. / Energy dispersive spectroscopy. / Plastic deformation. / Refining. / Scanning electron microscopy. / Shear flow. / Ultrasonic velocity. / Deformation strain. / Deformed aluminum alloys. / Dynamic recovery. / Microstructural evaluation. / Severe plastic deformations. / Ultra-sound velocities. / Ultrasonic wave scattering. / X-ray energy dispersive spectroscopy. / Aluminum alloys.

Prediction of the mechanical properties of rods after cold forging and heat treatment

Author

Kazeminezhad, M.

Pub. Year

2013

Subjects

FEM. / Cold forging. / Hall Petch relationship. / Hardness values. / Hybrid algorithms. / Monte Carlo model. / Finite element method. / Forging. / Hardness. / Mechanical properties. / Monte Carlo methods. / Plastic flow. / Heat treatment.

Modeling of austenite to ferrite transformation

Author

Kazeminezhad, M.

Pub. Year

2012

Subjects

Kinetics. / Model. / Phase transformation. / Austenite-to-ferrite transformation. / Boundary migration. / Chemical free energy. / Cooling rates. / Ferrite grain size. / Q-state Potts model. / Strain-free. / Algorithms. / Austenite. / Enzyme kinetics. / Free energy. / Models. / Phase transitions. / Steel. / Ferrite.

Combination of the upper bound and potts models for simulation of microstructure in wire drawing and annealing processes

Author

Kazeminezhad, M.

Pub. Year

2009

Subjects

Annealing conditions. / Annealing processes. / Coarse grains. / Copper wires. / Die angles. / Drawing processes. / Drawn wires. / Grain size distributions. / Grain sizes. / Modeling results. / Potts models. / Reduction in areas. / Simulation. / Stored energies. / Stored energy distributions. / Upper bounds. / Annealing. / Copper. / Grain size and shape. / Microstructure. / Simulated annealing. / Wire. / Wire drawing.

Modeling nano-scale grain growth of intermetallics

Author

Kazeminezhad, M.

Pub. Year

2009

Subjects

Conventional materials. / Grain sizes. / Growth of intermetallics. / Monte Carlo. / Monte carlo simulations. / Nano-scale. / Nanostructured intermetallics. / Power laws. / Real time. / Simulation. / Time units. / Grain size and shape. / Heating. / Intermetallics. / Materials. / Monte Carlo methods. / Nanocrystalline materials. / Nanotechnology. / Palladium. / Zirconium. / Grain growth.

A comparison of low carbon steel and Al-Mg alloy sheets in quasi-static tearing collisions

Author

Kazeminezhad, M.

Pub. Year

2009

Subjects

Absorbed energies. / Aluminum alloy sheets. / Inclination angles. / Low carbon steels. / Mean values. / Mg alloy sheets. / Wedge angles. / Wedge tools. / Absorption. / Alloys. / Alumina. / Aluminum. / Aluminum alloys. / Aluminum metallurgy. / Aluminum sheet. / Carbon steel. / Energy absorption. / Light metals. / Magnesium printing plates. / Steel. / Superconducting wire. / Steel sheet.

Relationship between the stored energy and indentation hardness of copper after compression test: Models and measurements

Author

Kazeminezhad, M.

Pub. Year

2008

Subjects

Compression testing. / Copper. / Differential scanning calorimetry. / Indentation. / Mathematical models. / Vickers hardness testing. / Indentation hardness. / Energy storage.

Monte Carlo simulation of recrystallization with hardness input of cold worked metal

Author

Kazeminezhad, M.

Pub. Year

2008

Subjects

Annealing. / Compression testing. / Data compression. / Monte Carlo methods. / Microstructure. / Monte Carlo modelling. / Recrystallization. / Simulation. / Hardness.

A study on the computation of the redundant deformation factor in wire drawing of austenitic 304 stainless steel

Author

Kazeminezhad, M.

Pub. Year

2008

Subjects

Computation theory. / Deformation. / Finite element method. / Velocity. / Wire drawing. / Redundant deformation factors. / Spherical velocity fields. / Superposition methods. / Trapezoidal velocity. / Austenitic stainless steel.

Modeling the effect of redundant strain factor on the microstructure inhomogeneity of drawn and annealed wire

Author

Kazeminezhad, M.

Pub. Year

2007

Subjects

Annealing. / Grain size and shape. / Mathematical models. / Monte Carlo methods. / Strain control. / Wire drawing. / Annealing time. / Grain size distribution. / Microstructure inhomogeneity. / Redundant strain factor. / Microstructure.

Simulation the ultra-fine microstructure evolution during annealing of metal processed by ECAP

Author

Kazeminezhad, M.

Pub. Year

2008

Subjects

Annealing. / Copper. / Epitaxial growth. / Equal channel angular pressing (ECAP) / Evolutionary algorithms. / Forming. / Lithography. / Mathematical models. / Metal analysis. / Metal pressing. / Microstructure. / Morphology. / Nucleation. / Pressing (forming) / Simulated annealing. / Steel analysis. / Annealing temperature. / Experimental data. / Fine microstructure. / Grain sizes. / Microstructure evolutions. / Monte Carlo modelling. / Nucleation rates. / Pure copper. / Simulation results. / Microstructural evolution.