Sharif Digital Repository

Tearing energy of an annealed bilayer sheet through multiple and single tensile tests

Author

Beygi, R.

Pub. Year

2011

Subjects

Anneal. / Bilayer sheets. / Tearing energy. / Tensile tests. / Two layers. / Tensile testing. / Steel sheet.

Energy absorption mechanism of Alsteel bilayer sheets produced by cold roll welding during wedge tearing

Author

Beygi, R.

Pub. Year

2010

Subjects

Alsteel bilayer. / Cold roll welding. / Energy absorption. / Tearing. / Absorption mechanisms. / Bi-layer. / Bilayer sheets. / Bond strength. / Cold-roll. / Experimental data. / Good correlations. / Load-displacement curve. / Properties of composites. / Theoretical equation. / Absorption. / Mechanical properties. / Welding.

The effects of annealing phenomena on the energy absorption of roll-bonded Al-steel sheets during wedge tearing

Author

Beygi, R.

Pub. Year

2010

Subjects

Annealing phenomena. / Roll-bonded sheets. / Annealing effects. / Bilayer sheets. / Bond strength. / Bonded sheets. / EDS analysis. / Energy systems. / Fe intermetallics. / Flow stress. / Plastic bending. / SEM image. / Three component. / Absorption. / Aluminum. / Annealing. / Bending (deformation) / Cold rolling. / Energy absorption. / Metal analysis. / Paper sheeting. / Phase interfaces. / Steel sheet.

Microstructural evolution and fracture behavior of friction-stir-welded Al-Cu laminated composites

Author

Beygi, R.

Pub. Year

2014

Subjects

Banding structures. / Contact surface. / Fracture behavior. / Friction stir butt welding. / Hardness measurement. / Particle distributions. / Retreating side. / Scanning electron microscopy image. / Energy dispersive spectroscopy. / Fracture mechanics. / Laminated composites. / Microstructural evolution. / Scanning electron microscopy. / Tensile testing. / Welding. / Welds. / Aluminum.

Butt joining of Al-Cu bilayer sheet through friction stir welding

Author

Beygi, R.

Pub. Year

2012

Subjects

Al-Cu sheet. / bilayer sheet. / Advancing side. / Bilayer sheets. / Butt joining. / Cold-roll bonding. / Cu layers. / Defect-free. / Hardness profile measurement. / Hardness values. / Material Flow. / Microstructural investigation. / Stir zones. / Friction stir welding. / Hardness. / Joining. / Microstructure. / Roll bonding. / Aluminum.

Impulsive noise removal from images using sparse representation and optimization methods

Author

Beygi Harchegani, S.

Pub. Year

2010

Subjects

Image de-noising. / Impulsive noise. / Impulsive noise removal. / Natural images. / Noisy image. / Optimization method. / Original images. / Sparse representation. / Sparsity. / Impulse noise. / Information science. / Signal processing. / Iterative methods.

Predicting freight attraction with multivariate linear regression and geographically weighted regression using satellite nighttime light data

Author

Momeni Rad, F.

Publisher

International Journal,

Pub. Year

2024

Subjects

Freight Attraction. / GWR model. / MLR model. / Nighttime Light. / Linear regression. / Freight activity. / Freight attraction. / Freight data. / Geographically weighted regression. / Geographically Weighted Regression modelling. / Multivariate linear regression model. / Multivariate linear regressions. / Night time lights. / Road freights. / Visible infrared imaging radiometer suites. / Freight transportation.

Semisolid joining of aluminum A356 alloy by partial remelting and mechanical stirring

Author

Alvani, S. M. J.

Pub. Year

2010

Subjects

Semi-solid holding. / A356. / Localized stirring. / Semi-solid joining. / Semi-solids. / Shear punch. / Thermal treatment. / Aluminum. / Aluminum alloys. / Gas heating. / Gases. / Heat treatment. / Joining. / Lakes. / Liquids. / Mechanical properties. / Nozzles. / Oxygen. / Plasmas. / Substrates. / Thermal conductivity. / Welding. / Welds. / Nitrogen.

DM Water Plant Sedimentation as a Cheap and Waste Source of Catalyst for Biodiesel Production

Author

Moradi, G.

Publisher

Walter de Gruyter GmbH

Pub. Year

2016

Subjects

CaO. / DM water plant sedimentation. / MgO. / Activation energy. / Biodiesel. / Kinetics. / Methanol. / Optimization. / Rate constants. / Reaction kinetics. / Sedimentation. / Soybean oil. / Biodiesel production. / Catalyst concentration. / Central composite designs. / Demineralized water. / Effects of temperature. / First-order kinetic models. / Transesterification reaction. / Water plant. / Catalysts.

Fracture properties of steel fiber reinforced high strength concrete using work of fracture and size effect methods

Author

Kazemi, M. T.

Publisher

Elsevier Ltd,

Pub. Year

2017

Subjects

Fracture energy. / High-strength concrete. / Steel fiber. / Toughness. / Bending tests. / Concretes. / Fibers. / Fracture. / Fracture mechanics. / High performance concrete. / High strength steel. / Reinforced concrete. / Reinforcement. / Software testing. / Steel fibers. / Characteristic length. / Experimental program. / Fiber volume fractions. / Fracture behavior. / Fracture parameter. / High strength concretes. / Steel fiber reinforced high strength concrete. / Three-point bending test. / Brittle fracture.

Experimental and analytical model analysis of Babolsar's steel arch bridge

Author

Beygi, M. H. A.

Publisher

Taylor and Francis/ Balkema,

Pub. Year

2006

Subjects

Analytical models. / Application programs. / Arch bridges. / Arches. / Base stations. / Concrete slabs. / Costs. / Data acquisition. / Degrees of freedom (mechanics) / Digital computers. / Electric measuring bridges. / Finite element method. / Flanges. / Floors. / Frequency domain analysis. / Instrument testing. / Life cycle. / Location. / Low pass filters. / Maintenance. / Natural frequencies. / Rivers. / Seismographs. / Seismology. / Software testing. / Steel beams and girders. / Steel bridges. / Steel testing. / Stochastic models. / Stochastic systems. / Stringers. / Vibration analysis. / Vibration measurement. / Earthquake response analysis. / Finite element analysis software. / Natural frequencies and modes. / Stochastic subspace identification. / Stochastic subspace identification methods. / Stochastic subspace methods. / Three dimensional finite element model. / Three translational degrees of freedoms. / Time domain analysis.

Friction stir butt welding of Al-Cu bilayer laminated composites: analysis of force, torque, and temperature

Author

Beygi, R.

Pub. Year

2017

Subjects

Al-Cu laminated composite. / Axial load and torque. / Aluminum. / Axial loads. / Butt welding. / Defects. / Friction. / Friction stir welding. / Laminating. / Torque. / Tribology. / Welding. / Welds. / Bi-layer. / Defect-free. / Force and torques. / Friction stir butt welding. / Material Flow. / Welding process. / Laminated composites.

The effect of aging on the fracture characteristics and ductility of self-compacting concrete

Author

Beygi, M. H. A.

Pub. Year

March 2014

Subjects

Fracture behavior. / Self-compacting concrete. / Toughness. / Brittle fracture.

The effect of water to cement ratio on fracture parameters and brittleness of self-compacting concrete

Author

Beygi, M. H. A.

Publisher

Elsevier Ltd,

Pub. Year

2013

Subjects

Brittle fracture. / Aggregates. / Brittleness. / Cements. / Concrete aggregates. / Fracture mechanics. / Plasticity. / Self compacting concrete. / Toughness. / Brittleness numbers. / Characteristic length. / Experimental research. / Fracture behavior. / Fracture characteristics. / Fracture parameter. / Selfcompacting concretes (SCC) / Three-point bending test. / Brittle fracture.

Influence of tool geometry and contact condition on friction stir welding of Al-Cu laminated composites

Author

Beygi, R.

Pub. Year

2014

Subjects

Al-Cu laminated composite. / Contact condition. / Friction stir welding. / Tool geometry. / Advancing side. / Contact conditions. / Intermetallic formation. / Material Flow. / Mixed regions. / SEM analysis. / Welding procedures. / Aluminum. / Engineering technology. / Geometry. / Laminated composites. / Materials science. / Tools. / Welding.

Evaluation of the effect of maximum aggregate size on fracture behavior of self compacting concrete

Author

Beygi, M. H. A.

Pub. Year

2014

Subjects

Aggregate. / Self-compacting concrete. / Toughness. / Characteristic length. / Experimental program. / Fracture behavior. / Fracture characteristics. / Fracture process zone. / Maximum aggregate sizes. / Maximum size of coarse aggregate. / Three-point bending test. / Brittle fracture. / Fractal dimension. / Fracture mechanics. / Self compacting concrete. / Toughness. / Aggregates.

A misbehavior‐tolerant multipath routing protocol for wireless Ad hoc networks [electronic resource] / Hanie Sedghi, Mohammad Reza Pakravan, Mohammad Reza Aref.

Author

Sedghi, H. (Haniyeh).