Sharif Digital Repository

Effect of processing parameters on electrical, mechanical and magnetic properties of iron-resin soft magnetic composite

Author

Hemmati, I.

Pub. Year

2007

Subjects

Annealing. / Coercive force. / Composite materials. / Density (specific gravity) / Electric conductivity. / Fracture. / Iron powder. / Magnetic properties. / Resins. / Scanning electron microscopy. / Strength of materials. / Stress relief. / Soft magnetic composite. / Transverse rupture strength. / Magnetic materials.

Effect of Si content and heat treatment on microstructure and magnetic properties of mechanically alloyed Fe-Si powders

Author

Miraghaei, S.

Pub. Year

2007

Subjects

Alloying. / Alloys. / Chemical properties. / Coercive force. / Heat treating furnaces. / Heat treatment. / Iron alloys. / Magnetic materials. / Magnetic properties. / Materials. / Materials science. / Mechanical alloying. / Metallic compounds. / Metallurgy. / Microcrystalline silicon. / Microstructure. / Milling (machining) / Nanocrystalline materials. / Nanocrystalline powders. / Powders. / Saturation magnetization. / Silicon. / Silicon alloys. / Silicon wafers. / Single crystals. / Average grain sizes. / Bulk alloys. / Chemical compositions. / Fe-Si alloys. / Lattice parameters. / Microstrain. / Milled powders. / Milling time. / Residual strains. / Si content. / Specific saturation magnetization. / Nanocrystalline alloys.

Characterization of mechanically alloyed Fe100-xSix and Fe83.5Si13.5Nb3 nanocrystalline powders

Author

Miraghaei, S.

Pub. Year

2008

Subjects

Ball milling. / Grain size and shape. / Iron alloys. / Lattice constants. / Magnetic properties. / Mechanical alloying. / X ray diffraction. / Crystallite coarsening. / Soft magnetic properties. / Nanocrystalline powders.

Structural and soft magnetic properties of nanocrystalline Fe 85Si10Ni5 powders prepared by mechanical alloying

Author

Bahrami, A.

Pub. Year

2006

Subjects

Ball milling. / Coercive force. / Grain size and shape. / Iron compounds. / Magnetization. / Magnetometers. / Mechanical alloying. / X ray diffraction analysis. / Milling time. / Soft magnetic powders. / Nanostructured materials.

IGM heating in fossil galaxy groups

Author

Miraghaei, H.

Pub. Year

2014

Subjects

Galaxies: active. / Galaxies: groups: general. / Intergalactic medium. / Radio continuum: galaxies.

IGM heating and AGN activity in Fossil galaxy groups

Author

Miraghaei, H.

Pub. Year

2014

Subjects

Cooling flows. / Galaxies: active. / Galaxies: clusters: general. / Intergalactic medium. / Radio continuum: galaxies.

AGN ACTIVITY and IGM HEATING in the FOSSIL CLUSTER RX J1416.4+2315

Author

Miraghaei, H.

Publisher

Institute of Physics Publishing,

Pub. Year

2015

Subjects

Galaxies: active. / Galaxies: clusters: individual (RX J1416.4+2315) / Intergalactic medium. / Radio continuum: galaxies.

Lofar: recent imaging results and future prospects

Author

Heald, G.

Pub. Year

2011

Subjects

Instrumentation: interferometers - Radio continuum: general.

Nonlinear interstory drift contours for idealized forward directivity pulses using "modified fish-bone" models

Author

Khalo, A. R.

Publisher

Multi-Science Publishing Co. Ltd,

Pub. Year

2015

Subjects

Forward directivity pulses. / Modified fish-bone model. / Nonlinear interstory drift. / Simplified MDOF model. / Bone. / Concrete beams and girders. / Tall buildings. / Contour. / Fish bones. / Forward directivity. / Interstory drifts. / Moment frames. / Near-fault earthquake. / Fish.

Analysis of singularities of a 3DOF parallel manipulator based on a novel geometrical method

Author

Pendar, H.

Pub. Year

2006

Subjects

Constrained plain method (CPM) / Constraint plane (CP) / Infinite constraint plane (ICP) / Parallel manipulator. / Computational geometry. / Constraint theory. / Matrix algebra. / Parallel processing systems. / Theorem proving. / Manipulators.

Melting enthalpy and entropy of freestanding metallic nanoparticles based on cohesive energy and average coordination number

Author

Omid, H.

Pub. Year

2011

Subjects

Adjustable parameters. / Analytical model. / Average coordination number. / Body-centered cubic. / Body-centered-tetragonal (bct) structure. / Cohesive energies. / Melting enthalpy. / Metallic nanoparticles. / Physical constants. / Variable coordination. / Crystal structure. / Entropy. / Mathematical models. / Molecular dynamics. / Nanoparticles. / Melting.

On the temperature and residual stress field during grinding

Author

H-Gangaraj, S. M.

Pub. Year

2010

Subjects

Grinding. / Residual stress. / Temperature field. / Dimensional accuracy. / Finite Element. / Grinding parameters. / Heat coefficients. / Mechanical damages. / Parametric study. / Residual stress fields. / Surface finishes. / Surface residual stress. / Tensile residual stress. / Thermo-mechanical. / Work pieces. / Workpiece velocity. / Finite element method. / Grinding (comminution) / Grinding (machining) / Heat convection. / Manufacture. / Stress concentration. / Residual stresses.

A new lattic LP-based post filter for adaptive noise cancellers in mobile and vehicular applications

Author

Khorram, S.

Pub. Year

2008

Subjects

Adaptive lattice filter. / Adaptive noise cancellation (ANC) / Adaptive noise cancellations. / Adaptive noise canceller. / Background noise reduction. / Diffuse noise. / Diffuse noise field. / Lattice filter. / Linear prediction. / Noise fields. / Noise reduction. / Noise reductions. / Postfilter. / Processing delay. / Quality measures. / Single channels. / Speech enhancement system. / Vehicular applications. / Vehicular environments. / Acoustic noise measurement. / Automobile parts and equipment. / Communication systems. / Microphones. / Signal processing. / Speech enhancement. / Spurious signal noise. / Speech communication.

Advancing Compressive Strength Prediction in Self-Compacting Concrete via Soft Computing: A Robust Modeling Approach

Author

Ghorbani, A.

Pub. Year

2024

Subjects

Artificial neural network. / Compressive strength prediction. / Robust approach. / Self-compacting concrete. / Sensitivity analysis.

Cost estimation models for seismic retrofit of masonry school buildings

Author

Mirzaei, J.

Pub. Year

2024

Subjects

Cost estimation. / Lasso regression. / Project management. / Regression. / Ridge regression. / Seismic retrofit.

Finite element analysis of shot-peening effect on fretting fatigue parameters

Author

H-Gangaraj, S. M.

Pub. Year

2011

Subjects

Finite element. / Fretting fatigue. / Residual stress. / Shot peening. / Bulk stress. / Compressive residual stress. / Controlling parameters. / Critical surfaces. / Finite element simulations. / Fluctuating loads. / Fretting damage. / Fretting fatigue strength. / Fretting fatigues. / Normal stress. / Sliding movements. / Slip amplitude. / Fatigue of materials. / Fretting corrosion. / Residual stresses. / Shear flow. / Shot peening. / Finite element method.

Mechanically activated synthesis of single crystalline MgO nanostructures

Author

Nusheh, M.

Pub. Year

2010

Subjects

Kinetics. / Mechanical activation. / Mechanically activated mixtures. / Microfibers. / Nano-structured. / Nucleation and growth. / Rectangular cross-sections. / Scanning electrons. / SEM. / Single-crystalline. / Single-crystalline nanorods. / Source material. / TEM. / Transmission electron. / Vapor solid mechanism. / XRD. / Carbothermal reduction. / Crystalline materials. / Electrons. / Mechanical alloying. / Metallurgy. / Morphology. / Nanorods. / Nanostructured materials. / Scanning electron microscopy. / Transmission electron microscopy.

Boundary control design for vibration suppression and attitude control of flexible satellites with multi-section appendages

Author

Ataei, M. M.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Attitude control. / Boundary control. / Flexible satellite. / Vibration suppression. / Asymptotic stability. / Flexible structures. / Solar cell arrays. / Solar concentrators. / Vibration control. / Vibrations (mechanical) / Boundary control design. / Boundary controls. / Boundary feedback. / Dynamic equations. / Flexible satellites. / Partial differential. / Stability of vibrations. / Controllers.