Sharif Digital Repository

Hot workability of ultrafine-grained aluminum alloy produced by severe plastic deformation of Al6063 powder and consolidation [electronic resource] / Hamed Asgharzadeh, Abdolreza Simchi and Hyoung Seop Kim.

Author

Asgharzadeh, H. (Hamed).

Subjects

Dynamic recrystallization (DRX) / Mechanical alloying (MA) / Severe plastic deformation (SPD) / Ultrafine-grained aluminum. / Workability.

Hot deformation behavior of P/M Al6061-20% SiC composite

Author

Asgharzadeh, H.

Publisher

Trans Tech Publications Ltd,

Pub. Year

2007

Subjects

Aluminum. / Dynamic recrystallization. / Hot pressing. / Hot working. / Metal extrusion. / Microstructure. / Silicon carbide. / Direct hot extrusion. / Hot compression tests. / Particulate reinforcement. / Plastic instability. / Metallic matrix composites.

Constitutive analysis and microstructural evolution in hot working of nanostructured Al6063

Author

Asgharzadeh, H.

Publisher

European Powder Metallurgy Association (EPMA),

Pub. Year

2012

Subjects

Aluminum. / Hot deformation. / Nanostructured materials. / Restoration mechanisms. / Activation energy. / Compression testing. / Crystal microstructure. / Deformation. / Dynamic recrystallization. / Grain growth. / Hot working. / Mechanical alloying. / Powder metallurgy. / Constitutive analysis. / Deformation mechanism. / Micro-structural observations. / Microstructural changes. / Recrystallized grains. / Restoration mechanism. / Uni-axial compression tests. / Zener-Hollomon parameter. / Aluminum alloys.

Development of a stream function-upper bound analysis applicable to the process of plate rolling

Author

Asgharzadeh, A.

Publisher

Emerald Group Publishing Ltd

Pub. Year

2016

Subjects

Finite element analysis. / Stream function. / Upper bound theorem. / ABAQUS. / Buoyancy. / Cold rolling. / Computation theory. / Deformation. / Functions. / Rolling. / Velocity. / Mathematical solutions. / Optimum velocity field. / Thermal finite element analysis. / Two-dimensional conduction. / Upper bound analysis. / Upper bound solution. / Finite element method.

Supersolidus liquid phase sintering of Al6061/SiC metal matrix composites

Author

Asgharzadeh, H.

Pub. Year

2009

Subjects

Al6061/SiC composite. / Densification. / Sintering. / Aluminium alloys. / Aluminium matrix. / Composite compacts. / Detrimental effects. / Dry nitrogen. / Hard particles. / Liquid Phase. / Mechanical strength. / Metal matrix composites. / Microstructural development. / Pre-alloyed powder. / Reinforcement content. / Reinforcement particles. / SiC particles. / Sintering temperatures. / Solid phase sintering. / Solidus temperature. / Supersolidus liquid phase sintering. / Aluminum. / Liquid phase sintering. / Liquids. / Metallurgy. / Microstructure. / Powder metals. / Reinforcement. / Silicon carbide. / Metallic matrix composites.

Hot deformation of PM Al6061 alloy produced by sintering and powder extrusion

Author

Asgharzadeh, H.

Pub. Year

2008

Subjects

Al6061 alloy. / Compression tests. / Deformation activation energies. / Deformation behaviours. / Dynamic recoveries. / Dynamic recrystallisation. / Extruded alloys. / Extruded materials. / Flow curves. / High temperatures. / Hot deformation. / Plastic instabilities. / Powder extrusions. / Restoration process. / Sintered compacts. / Strain softening. / Thermally activated. / Alloys. / Compression testing. / Deformation. / Microstructure. / Porosity. / Powders. / Recrystallization (metallurgy) / Sintering. / Strain hardening. / Strain rate. / Stress-strain curves. / Tensile strength. / Activation energy.

Effect of sintering atmosphere and carbon content on the densification and microstructure of laser-sintered M2 high-speed steel powder

Author

Asgharzadeh, H.

Pub. Year

2005

Subjects

Argon. / Austenite. / Carbon. / Continuous wave lasers. / Densification. / Metallic matrix composites. / Microhardness. / Microstructure. / Sintering. / Carbon content. / Laser sintering. / Sintering atmosphere. / Steel powder metallurgy.

High-temperature deformation and structural restoration of a nanostructured Al alloy [electronic resource] / H. Asgharzadeh, A. Simchi and H. S. Kim.

Author

Asgharzadeh, H.

Subjects

Aluminum. / Nanostructured materials. / High-temperature deformation. / Restoration mechanisms.

Microstructure, strengthening mechanisms and hot deformation behavior of an oxide-dispersion strengthened UFG Al6063 alloy [electronic resource] / H. Asgharzadeh, H. S. Kim and A. Simchi.

Author

Asgharzadeh, H.

Subjects

Ultrafine-grained materials. / Aluminum matrix nanocomposite. / Microstructure. / Hot deformation. / Dynamic recrystallization.

Microstructure features, strengthening mechanisms and hot deformation behavior of oxide-dispersion Strengthened Al6063 alloy with ultrafine-grained structure [electronic resource] / H. Asgharzadeh, H. S. Kim and A. Simchi.

Author

Asgharzadeh, H.

Subjects

Ultrafine-grained materials. / Aluminum matrix nanocomposite. / Microstructure. / Hot deformation. / Dynamic recrystallization.

Hot deformation of ultrafine-grained Al6063/Al2O3 nanocomposites [electronic resource] / H. Asgharzadeh, A. Simchi and H. S. Kim.

Author

Asgharzadeh, H.

Microstructural features, texture and strengthening mechanisms of nanostructured Al6063 alloy processed by powder metallurgy [electronic resource] / H. Asgharzadeh, A. Simchi and H. S. Kim.

Author

Asgharzadeh, H.

Subjects

Nanostructured materials. / Aluminum alloys. / Microstructure. / Texture. / Strengthening mechanism.

Rheological master curves for modified asphalt binders

Author

Asgharzadeh, S. M.

Publisher

Sharif University of Technology,

Pub. Year

2013

Subjects

Complex modulus. / Modified binder. / Pavement performance. / Phase angle. / Rheological master curve. / Asphalt. / Asphalt mixtures. / Ethylene. / Rheometers. / Styrene. / Temperature. / Complex modulus. / Master curve. / Modified binders. / Phase angles. / Binders. / performance assessment. / Rheology. / Temperature effect.

An efficient tabu search algorithm for the single row facility location problem [electronic resource] / Hamed Samarghandi, Kourosh Eshghi.

Author

Samarghandi, H. (Hamed).

Subjects

Facilities planning and design. / Linear ordering problem. / Tabu search. / Integerprogramming.

Sensitivity analysis of matching pennies game [electronic resource] / Hamed Yarmand, Kourosh Eshghi.

Author

Yarmand, H. (Hamed).

Subjects

Matching pennies game. / Two-person zero-sum games. / Sensitivity analysis of games.