Sharif Digital Repository

Stabilization of nanostructured materials using fine inert ceramic particles

Author

Razavi Tousi, S. S.

Pub. Year

2010

Subjects

A. Grain growth. / B. Grain size. / Fine ceramic particles. / Nanostructures. / Analytical investigations. / Boundary correlations. / Ceramic particle. / Drag pressure. / Fine ceramic particles. / Fine ceramics. / Grain size. / Random distribution. / Ceramic materials. / Crystalline materials. / Drag. / Grain size and shape. / Nanostructures. / Grain growth.

Pure-injectivity of tensor products of modules

Author

Pournaki, M. R.

Pub. Year

2014

Subjects

Classical ring. / Linearly compact module. / Pure-injective module. / Tensor product.

What is... Stanley depth?

Author

Pournaki, M. R.

Pub. Year

2009

Effect of gamma ray on poly(lactic acid)/poly(vinyl acetate-co-vinyl alcohol) blends as biodegradable food packaging films

Author

Razavi, S. M.

Pub. Year

2014

Subjects

Blend. / Gamma irradiation. / Gas permeability. / Poly(lactic acid) / Biodegradable food packaging. / Gas barrier properties. / Immiscible blends. / Oxygen barrier properties. / Poly lactic acid. / Sterilization process. / Transparent films. / Blending. / Copolymers. / Glass. / Glass transition. / Irradiation. / Lactic acid. / Mechanical properties. / Packaging materials. / Solubility. / Sterilization (cleaning) / Gamma rays. / Copolymer. / Oxygen. / Poly(vinyl acetate co vinyl alcohol) / polylactic acid. / Unclassified drug. / Biodegradability. / Cardiovascular surgery. / Chemical composition. / Chemical interaction. / Film. / Food packaging. / Gamma radiation. / Glass transition temperature. / Mechanics. / Miscibility. / Physical chemistry. / Radiation dose.

Oxygen-barrier properties of poly(lactic acid)/poly(vinyl acetate-co-vinyl alcohol) blends as biodegradable films

Author

Razavi, S. M.

Publisher

Wiley,

Pub. Year

2012

Subjects

Biodegradable. / Acid-catalyzed hydrolysis. / Biodegradable film. / Blends. / Cosolvents. / Elongation at break. / Gas permeation. / Oxygen barrier properties. / Polylactic acids. / Solution-casting method. / Vinylalcohol. / Copolymers. / Film preparation. / Films. / Lactic acid. / Oxygen. / Gas permeable membranes.

Effect of acidic and basic solutions on electron beam irradiated epoxy nanocomposites containing nanoclay, CaCO3 and TiO2 nanoparticles

Author

Razavi, S. M.

Pub. Year

2014

Subjects

Calcium carbonate. / Chemical reactions. / Chemical resistance. / Electron beams. / Epoxy resins. / Intercalation. / Irradiation. / Nanoparticles. / Plastic adhesives. / Titanium dioxide. / Transmission electron microscopy. / Electron beam irradiation. / Epoxy nanocomposites. / Nano clays. / TiO. / Nanocomposites.

Effect of η phase on mechanical properties of the iron-based superalloy using shear punch testing

Author

Seifollahi, M.

Pub. Year

2013

Subjects

η phase. / A286 superalloy. / Fracture surface. / High temperature phase transformation. / Shear punch test. / Fracture surfaces. / Grain boundary decohesion. / High temperature heat treatment. / High temperature phase. / High volume fraction. / Microstructural features. / Shear-punch tests. / Ultimate shear strength. / Cracks. / Grain boundaries. / Hydrogen embrittlement. / Mechanical properties. / Microstructural evolution. / Scanning electron microscopy. / Superalloys.

Polyurethane/clay nanocomposites reinforced with carbon and glass fibres: study of mechanical and thermal properties, and the effect of electron beam irradiation

Author

Kosari, M.

Pub. Year

2017

Subjects

Carbon fibre. / Glass fibre. / Nanoclay. / Nanocomposite. / Polyurethane. / Carbon fibers. / Electron beams. / Electrons. / Fiber reinforced plastics. / Fibers. / Glass. / Glass fibers. / High resolution transmission electron microscopy. / Irradiation. / Nanostructured materials. / Polyurethanes. / Reinforcement. / Tensile strength. / Tensile testing. / Thermodynamic properties. / Thermodynamic stability. / Thermogravimetric analysis. / Transmission electron microscopy. / X ray diffraction. / Electron beam irradiation. / Fibre reinforced composites. / Mechanical and thermal properties. / Nano clays. / Transmission electron microscopy images. / Nanocomposites.

Effect of electron beam irradiation on mechanical properties of unsaturated polyester/nanoclay composites reinforced with carbon and glass fibers

Author

Razavi, S. M.

Publisher

Elsevier B.V,

Pub. Year

2020

Subjects

Carbon fiber. / Composite. / Glass fiber. / Nanoclay. / Carbon fibers. / Composite materials. / Corrosion resistance. / Electron beams. / Fourier transform infrared spectroscopy. / Glass fibers. / Hardness. / Ionizing radiation. / Irradiation. / Mechanical properties. / Nanocomposites. / Reinforced plastics. / Reinforcement. / Tensile strength. / Electron beam irradiation. / FTIR. / FTIR spectroscopy. / Nano clays. / Nanoclay particles. / Radiation resistance. / Structural applications. / Unsaturated polyester. / Particle reinforced composites.

A new genetic algorithm method for optimal coordination of overcurrent and earth fault relays in networks with different levels of voltages

Author

Kamangar, S. S. H.

Pub. Year

2009

Subjects

Earth fault relay. / Genetic algorithm. / Overcurrent relay. / Coordination. / Earth faults. / Effective solution. / Fault conditions. / In-network. / Objective functions. / Optimal coordination. / Optimization problems. / Over current. / Overcurrent relays. / Power networks. / Winding arrangement. / Electric power transmission networks. / Genetic algorithms. / Optimization. / Electric network analysis.

Freshness assessment of gilthead sea bream (Sparus aurata) by machine vision based on gill and eye color changes

Author

Dowlati, M.

Pub. Year

2013

Subjects

Color parameters. / Fish eye. / Fish gill. / Machine vision. / Color parameter. / Digital color imaging. / Fish freshness. / Fish-eye. / Ice storage. / Region of interest. / Strong correlation. / Total color difference. / Color. / Colorimetry. / Computer vision. / MATLAB. / Neural networks. / Regression analysis. / Fish.

Clustering and outlier detection using isoperimetric number of trees

Author

Daneshgar, A.

Pub. Year

2013

Subjects

Isoperimetric constant. / Normalized cut. / Cheeger constant. / Data clustering. / Graph Partitioning. / Isoperimetric constants. / Normalized cuts. / Outlier Detection. / Perceptual grouping. / Benchmarking. / Cluster analysis. / Data mining. / Graph theory. / Statistics. / Clustering algorithms.

Effect of high energy ball milling on compressibility and sintering behavior of alumina nanoparticles

Author

Eskandari, A.

Pub. Year

2012

Subjects

A. Sintering. / Alumina Nanoparticle. / Applied pressure. / Cold isostatic press. / Critical pressures. / Deagglomeration. / Degree of agglomeration. / Densification behavior. / Green compacts. / High-energy ball milling. / Key elements. / Mechanical milling. / Milling time. / Nano powders. / Nano-alumina. / Post-sintering. / Shaping method. / Sintering behaviors. / Textural evolution. / Agglomeration. / Ball milling. / Compressibility. / Grain growth. / High energy physics. / Mechanical alloying. / Microstructure. / Milling (machining) / Nanostructured materials. / Powders. / Sintered alumina. / Sintering.

Sparsity potentials for detecting objects with the hough transform

Author

Razavi, N.

Pub. Year

2012

Subjects

Hough transforms. / Object recognition. / Detecting objects. / Detection accuracy. / Discriminative power. / Fast inference. / Independence assumption. / Object Detection. / Object detectors. / Shape model. / Computer vision.

Effect of nanoscaled reinforcement particles on the structural evolution of aluminium powder during mechanical milling

Author

Razavi Hesabi, Z.

Pub. Year

2009

Subjects

AL matrix nanocomposite. / AL2o3. / Mechanical milling. / SiC. / Structural evolution. / Mechanical alloying. / Metallography. / Milling (machining) / Morphology. / Nanocomposites. / Nanoparticles. / Powders. / Reinforcement. / Scanning electron microscopy. / Silicon carbide. / Strain hardening. / Transmission electron microscopy. / X ray diffraction. / X ray diffraction analysis. / Aluminum.

Fabrication and characterisation of ultrafine-grained Al-5vol%Al 2O3 nanocomposite

Author

Razavi Hesabi, Z.

Pub. Year

2010

Subjects

Al-Al2O3. / Nanocrystalline metal matrix nanocomposite. / Alumina nanoparticle. / Average particle size. / Characterisation. / Compressive properties. / Elongated grains. / Matrix. / Mechanical milling. / Mechanical strength. / Nanocrystalline metal. / Nanocrystallines. / Nanometric alumina. / Powder extrusion. / SEM. / Severe plastic deformations. / Strengthening mechanisms. / TEM. / Ultrafine grained structure. / Ultrafine-grained. / XRD analysis. / Crystallite size. / Extrusion. / Mechanical alloying. / Mechanisms. / Metallic matrix composites. / Milling (machining) / Nanocomposites. / Nanocrystalline alloys. / Nanocrystalline powders. / Nanoparticles. / Powder metals. / Tensile strength. / Aluminum.

Incorporating aspect ratio in a new modeling approach for strengthening of MMCs and its extension from micro to nano scale

Author

Zehtab Yazdi, A.

Pub. Year

2010

Subjects

Metal-matrix composites (MMCs) / Strength. / Deformation behavior. / Geometrically necessary dislocations. / Load transfer. / Matrix. / Modeling approach. / Multi-scale approaches. / Multi-scale Modeling. / Nano scale. / Particle reinforced. / Strengthening effect. / Aspect ratio. / Metals. / Nanocomposites. / Particle reinforced composites. / Pressure drop. / Strengthening (metal)

A Very stable high throughput taylor cone-jet in electrohydrodynamics

Author

Morad, M. R.

Publisher

Nature Publishing Group,

Pub. Year

2016

Quantitative changes in gait parameters after cycling among multiple sclerosis patients with ataxia:a pilot study

Author

Rahimibarghani, S.

Publisher

Tehran University of Medical Sciences,

Pub. Year

2022

Subjects

Ataxia. / Exercise. / Gait analysis. / Multiple sclerosis (MS) / Rehabilitation.

Analytical prediction of the temperature field in laser assisted machining

Author

Kashani, M. M.

Publisher

Elsevier,

Pub. Year

2016

Subjects

Analytical modelling. / Hybrid machining. / Temperature field. / Cutting tools. / Temperature. / Temperature distribution. / Analytical predictions. / Hard to cut material. / Hybrid machining. / Laser assisted machining. / Laser heat sources. / Laser parameters. / Rotating cylinders. / Temperature distribution fields. / Analytical models.