Sharif Digital Repository

Characterisation of phase segregation during back extrusion of ZA27 semisolid alloy

Author

Mola, J.

Pub. Year

2007

Subjects

Extrusion. / Metal forming. / Phase transitions. / Segregation (metallography) / Back extrusion. / Mechanical stirring. / Phase segregation. / Semisolid processing. / ZA27 alloy. / Mechanical alloying.

Joining metals by combining mechanical stirring and thermomechanical treatment to form a globular weld structure

Author

Shalchi Amirkhiz, B.

Publisher

Trans Tech Publications Ltd,

Pub. Year

2006

Subjects

Binary alloys. / Joining. / Lead alloys. / Strain hardening. / Tin alloys. / Welds. / Dendritic microstructure. / Fine stirrer. / Globular structure. / Localized semisolid. / Mechanical stirring. / Semi-solid joining. / Shear-punch tests. / Thermomechanically affected zones. / Thermomechanical treatment.

Phase segregation susceptibility of ZA27 alloy at different shear rates

Author

Mola, J.

Publisher

Trans Tech Publications Ltd,

Pub. Year

2006

Subjects

Metal extrusion. / Optimization. / Phase separation. / Shear deformation. / Size distribution. / Supersaturation. / Back extrusion. / Phase segregation susceptibility. / Segregation intensity. / Semi-solid processing. / Binary alloys.

Evaluation of microstructure and mechanical properties of aluminum to copper friction stir butt welds

Author

Sarrafi, R.

Pub. Year

2011

Subjects

Base metals. / Butt joints. / Butt welds. / Copper atoms. / Dissimilar welding. / Friction stir. / Friction stir welds. / Harmful effects. / High quality. / High strength. / Mechanical stirring. / Microstructural features. / Microstructure and mechanical properties. / Properties and microstructures. / Solid-state welding process. / Stir zones. / Tensile loading. / Tensile tests. / Ultimate tensile strength. / Weld microstructure. / Welding process. / Aluminum. / Butt welding. / Copper. / Electric welding. / Friction. / Gas welding. / Heat affected zone. / Intermetallics. / Mechanical properties. / Microstructural evolution. / Stainless steel. / Tensile strength. / Tensile testing. / Tribology. / Friction stir welding.

Joining metals by combining mechanical stirring and thermomechanical treatment to form a globular weld structure

Author

Amirkhiz, B. S.

Publisher

Trans Tech Publications Ltd,

Pub. Year

2006

Subjects

Microstructure. / Strength of materials. / Temperature measurement. / Thermomechanical treatment. / Dendritic microstructure. / Localized semisolids. / Mechanical stirring. / Semisolid joining. / Welds.

Plastic injection molding dies using hybrid additively manufactured 420/CX stainless steels: electrochemical considerations

Author

Shahriari, A.

Publisher

Nature Publishing Group,

Pub. Year

2022

Subjects

Additives. / Carbides. / Chromium compounds. / Electrochemical corrosion. / Electrochemical impedance spectroscopy. / Fabrication. / Injection molding. / Sodium chloride. / Stainless steel. / Steel corrosion. / AISI 420. / Electrochemical behaviors. / Electrochemical noise technique. / Electrochemical-impedance spectroscopies. / Electrochemicals. / Molding dies. / Mott-Schottky analysis. / NaCl solution. / Plastic injection molding. / Potentiodynamics polarization. / Corrosion resistance.

Author Correction: Plastic injection molding dies using hybrid additively manufactured 420/CX stainless steels: electrochemical considerations (npj Materials Degradation, (2022), 6, 1, (70), 10.1038/s41529-022-00280-y)

Author

Shahriari, A.

Publisher

Nature Publishing Group,

Pub. Year

2022

The influence of the ratio of "rotational speed/traverse speed" (ω/v) on mechanical properties of AZ31 friction stir welds

Author

Abbasi Gharacheh, M.

Pub. Year

2006

Subjects

Magnesium alloys. / Parameter estimation. / Rotation. / Shear strength. / Speed control. / Welds. / AZ31 magnesium alloy. / Friction Stir Welding (FSW) / Incomplete root penetration. / Shear punch test (SPT) / Friction welding.

Evaluation of microstructure and mechanical properties in friction stir welded A356 + 15%SiCp cast composite

Author

Amirizad, M.

Pub. Year

2006

Subjects

Composite materials. / Elastic moduli. / Friction. / Joining. / Mechanical properties. / Microstructure. / Plastic deformation. / Seam welding. / Tools. / A356+155 Sic p composites. / Friction stir welding. / Localized frictional heat. / Welding.

Analysis of entropy generation and convective heat transfer of Al 2O 3 nanofluid flow in a tangential micro heat sink

Author

Shalchi Tabrizi, A.

Pub. Year

2012

Subjects

Tangential microchannel heat sink. / Convective heat transfer. / Entropy generation. / Heat Transfer enhancement. / Hydrodynamic performance. / Micro channel heat sinks. / Micro heat sink. / Nano-fluid. / Nanofluid flow. / Nanofluids. / Particle diameters. / Particles concentration. / Particles sizes. / Pumping power. / Total entropy. / Water nanofluids. / Aluminum. / Cooling systems. / Entropy. / Heat sinks. / Heat transfer. / Reynolds number. / Volume fraction. / Nanofluidics.

Microstructure-property characterization of a friction-stir welded joint between AA5059 aluminum alloy and high density polyethylene

Author

Khodabakhshi, F.

Pub. Year

2014

Subjects

AA5059. / Dissimilar materials. / Friction-stir joining. / High density polyethylene(HDPE) / Joint strength. / Property characterizations.

Numerical investigation of wall curvature effects on heat transfer and film cooling effectiveness

Author

Shalchi Tabrizi, A.

Publisher

Begell House Inc,

Pub. Year

2016

Subjects

Convex surface. / Numerical simulation. / Computer simulation. / Cooling. / Finite volume method. / Heat transfer. / Reynolds number. / Concave surface. / Convex surfaces. / Cooling effectiveness. / Flat plate. / Wall curvature. / Navier Stokes equations.

Microwave-induced Cannizzaro reaction over neutral γ-alumina as a polymeric catalyst [electronic resource] / A. Pourjavadi, B. Soleimanzadeh, G. B. Marandi.

Author

Pourjavadi, A. (Ali).

Subjects

Polymeric catalyst. / γ-Alumina. / Solid support reaction. / Cannizzaro reaction. / Microwave irradiation.

SnCl4/SiO2: an efficient heterogeneous alternative for one-pot synthesis of β-acetamidoketones

Author

Mirjalili, B. B. F.

Pub. Year

2009

Subjects

β-acetamidoketones. / One-pot synthesis. / SnCl4/SiO2. / Tin chloride (SnCl4)

Turbulent flow in converging nozzles, part one: Boundary layer solution

Author

Maddahian, R.

Pub. Year

2011

Subjects

Analytical solution. / Boundary layer integral method. / Swirl intensity decay rate. / Analytical model. / Analytical solutions. / Axial velocity. / Boundary layer growth. / Boundary layer thickness. / Boundary-layer solution. / Conical nozzle. / converging nozzle. / Converging nozzles. / Decay rate. / Developed model. / Different cone angles. / Entrance region. / Experimental data. / Fourth-order. / Free vortices. / Governing equations. / Integral method. / Layer parameters. / Numerical simulation. / Predictor-corrector methods. / Robust procedures. / Shear rates. / Spherical coordinate systems. / Swirl intensity. / Turbulent swirling flows. / Velocity profiles. / Boundary layers. / Computer simulation. / Cooling systems. / Decay (organic) / Differential equations. / Mathematical models. / Nozzles. / Shear deformation. / Swirling flow. / Atmospheric thermodynamics.

Numerical investigation of steady density currents flowing down an incline using v2̄ - F turbulence model

Author

Khakzad, N.

Pub. Year

2007

Subjects

Approximation theory. / Concentration (process) / Flow rate. / Numerical methods. / Reynolds equation. / Strain. / Turbulence models. / Momentum equation. / Numerical modeling. / Transport equation. / Current density.

Numerical simulation of turbid-density current using v2̄ - f turbulence model

Author

Mehdizadeh, A.

Pub. Year

2005

Subjects

Coarse particles. / Density currents. / Reservoir sedimentation. / Turbulence model. / Computer simulation. / Current density. / Damping. / Mathematical models. / Reynolds number. / Turbidity. / Turbulence. / Velocity measurement. / Turbulent flow.

Analytical solution for creeping motion of a viscoelastic drop falling through a Newtonian fluid

Author

Vamerzani, B. Z.

Pub. Year

2014

Subjects

Creeping fluid. / Oldroyd-B model. / Perturbation solution. / Viscoelastic drop.

Theoretical and experimental study on the motion and shape of viscoelastic falling drops through Newtonian media

Author

Vamerzani, B. Z.

Publisher

Springer Verlag

Pub. Year

2016

Subjects

Drop shape and motion. / Experimental. / Theoretical. / Viscoelastic droplet.