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# IEEE Transactions on Magnetics

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Displaying Results 1 - 24 of 24
• ### [Front cover]

Publication Year: 2011, Page(s): C1
| PDF (757 KB)
• ### IEEE Transactions on Magnetics publication information

Publication Year: 2011, Page(s): C2
| PDF (39 KB)

Publication Year: 2011, Page(s):2013 - 2014
| PDF (63 KB)
• ### Tunable Distribution of Magnetic Nanodiscs in an Array of Electrodeposited Multilayered Nanowires

Publication Year: 2011, Page(s):2015 - 2021
Cited by:  Papers (12)
| | PDF (1545 KB) | HTML

Co-Ni-Cu/Cu multilayered nanowire arrays were electrodeposited in polyester track etched (PETE) nanoporous template with appropriate hydrophilic properties in a single bath. The array of multilayered nanowires can provide a three-dimensional accumulation of magnetic nanodiscs in a non-magnetic media. Magnetic properties and microstructure of multilayered nanowires with different copper layer thick... View full abstract»

• ### The Impact of Vibration Due to Magnetostriction on the Core Losses of Ferrite Toroidals Under DC Bias

Publication Year: 2011, Page(s):2022 - 2028
Cited by:  Papers (12)
| | PDF (804 KB) | HTML

The ferrite cores of transformers and inductors are commonly excited under dc bias conditions in power electronic circuitry. Results have previously been presented showing core losses increase significantly with dc bias, along with various explanations for the cause. This paper presents measurements showing a strong correlation between core losses, and the magnetostrictive vibration caused by the ... View full abstract»

• ### Time Harmonic Fields Produced by Circular Current Loops

Publication Year: 2011, Page(s):2029 - 2033
Cited by:  Papers (1)
| | PDF (148 KB) | HTML

New analytic expressions for the magnetic and electric fields generated by circular current loops (magnetic dipoles) are derived. They apply to near-zone, Fresnel-zone, and far-zone conditions; they asymptotically reduce to the popular small-loop equations in the far-zone. Analytical expressions for the fields produced by current-carrying conductors are valuable because of their rarity. They offer... View full abstract»

• ### New Formulas for Mutual Inductance and Axial Magnetic Force Between a Thin Wall Solenoid and a Thick Circular Coil of Rectangular Cross-Section

Publication Year: 2011, Page(s):2034 - 2044
Cited by:  Papers (24)
| | PDF (325 KB) | HTML

This paper presents new analytic formulas for determining the mutual inductance and the axial magnetic force between two coaxial coils in air, namely a thick circular coil with rectangular cross-section and a thin wall solenoid. The mutual inductance and the magnetic force are expressed as complete elliptical integrals of the first and second kind, Heuman's Lambda function and one well-behaved int... View full abstract»

• ### A Simplified Force Equation for Coaxial Cylindrical Magnets and Thin Coils

Publication Year: 2011, Page(s):2045 - 2049
Cited by:  Papers (18)
| | PDF (164 KB) | HTML

A recently-published equation for calculating the force between coaxial cylindrical magnets is presented in simplified form. The revised equation is now very compact: it is defined with fewer parameters and contains fewer terms than the original equation. The new equation is purely real, unlike the original which contained imaginary components. As a result of the simplifications, the new equation ... View full abstract»

• ### Three-Dimensional Analytical Calculation of Permanent Magnet Interactions by “Magnetic Node” Representation

Publication Year: 2011, Page(s):2050 - 2055
Cited by:  Papers (8)
| | PDF (308 KB) | HTML

The interaction force and torque between two parallelepiped magnets can be analytically calculated by “magnetic nodes.” The obtained expressions only depend on the corner positions. It leads F. Bancel to propose the notion of magnetic nodes situated at the corner positions. The force and torque components can be directly calculated with the magnetic nodes representation. The only hyp... View full abstract»

• ### A General Hysteresis Operator for the Modeling of Vector Fields

Publication Year: 2011, Page(s):2056 - 2067
Cited by:  Papers (70)
| | PDF (1206 KB) | HTML

This paper deals with the modeling of vector fields that exhibit hysteresis. A general class of models of vector magnetizations with hysteresis that form a natural extension of the Classical Scalar Preisach Model is defined. Although the modeling was done for the 2-d case, the same theory can be extended to the 3-d case as well. After reviewing some general properties of conservative fields, the s... View full abstract»

• ### An Equivalent Parameter Extraction Method of Transient Electric Circuit and Magnetic Field Coupled Problems Based on Sensitivity Computation of System Equations

Publication Year: 2011, Page(s):2068 - 2075
Cited by:  Papers (8)
| | PDF (750 KB) | HTML

A method to extract the equivalent parameters of transient electric circuit and magnetic field coupled problem based on sensitivity computation on the system equations is presented. The field equations are derived by using the finite element method. In contrast to traditionally used methods which are based on the physical meanings and physical relationships of the parameters, in this method, the p... View full abstract»

• ### Coupling Factor Between the Magnetic and Mechanical Energy Domains in Electromagnetic Power Harvesting Applications

Publication Year: 2011, Page(s):2076 - 2080
Cited by:  Papers (3)
| | PDF (323 KB) | HTML

Micro-power generation is an area developing to support autonomous and battery-free wireless sensor networks and miniature electronic devices. Electromagnetic power harvesting is one of the main techniques for micro-power generation and it uses the relative motion between wire coils and miniature magnets to convert mechanical energy to electricity according to Faraday's law of induction. Crucial f... View full abstract»

• ### Evaluation of Garnet Film as Magneto-Optic Transfer Readout Film

Publication Year: 2011, Page(s):2081 - 2086
Cited by:  Papers (1)
| | PDF (1167 KB) | HTML

A magnetic field shifter for the evaluation of garnet film which is used as a readout head for magnetic media has been developed. The shifter enables to generate a sinusoidal magnetic field along one direction with a magnitude of up to 60 Oe and to move the magnetic field at any speed from few cm/s to 80 m/s. The garnet film to be evaluated was placed in close contact to the field shifter and outp... View full abstract»

• ### Possibility of Application of Magnetoacoustic Emission for the Assessment of Plastic Deformation Level in Ferrous Materials

Publication Year: 2011, Page(s):2087 - 2092
Cited by:  Papers (4)
| | PDF (957 KB) | HTML

The paper presents the results of an attempt to use the magnetoacoustic emission (MAE) signal for the nondestructive evaluation of plastic deformation levels in samples subjected to tensile loading. Four varied materials have been investigated: 13HMF, CSN12021 and P91 steels and commercially available Armco Iron. As it turned out various magnetic and magnetoacoustic properties of materials subject... View full abstract»

• ### Eddy-Current Modeling of a Continous Conductivity Profile Resulting From a Diffusion Process

Publication Year: 2011, Page(s):2093 - 2099
| | PDF (427 KB) | HTML

This paper deals with the modelization of eddy-current measurements over combustion turbine blade coatings affected by depletion of aluminum. First, we model the response of an eddy-current coil over a layered metallic structure with a top over-aluminized coating by extending the analytical Uzal-Rose's model for one hyperbolic tangent conductivity profile to a conductivity profile using two hyperb... View full abstract»

• ### Novel Transmission Line Modeling Method for Nonlinear Permeance Network Based Simulation of Induction Machines

Publication Year: 2011, Page(s):2100 - 2108
Cited by:  Papers (6)
| | PDF (1150 KB) | HTML

This paper studies different iterative solution methods for nonlinear permeance network based machine models. A new transmission line modeling (TLM) algorithm for efficient solution of permeance network models (PNM) of induction machines is proposed. In this method, the TLM algorithm is used to decouple the nonlinear magnetic equations. The decoupled nonlinear equations are then solved by a look-u... View full abstract»

• ### Shape Design of the Surface Mounted Permanent Magnet in a Synchronous Machine

Publication Year: 2011, Page(s):2109 - 2117
Cited by:  Papers (16)
| | PDF (1163 KB) | HTML

This paper deals with how to obtain the optimal shape of a permanent magnet of surface mounted permanent magnet brushless synchronous machine using the level set based topology optimization method. Two types of the flux linkage calculation method are formulated; one is a modified method based on traditional flux linkage calculation through transient analysis and the other is the mono-tooth method ... View full abstract»

• ### Analysis and Design of a Novel 3-DOF Lorentz-Force-Driven DC Planar Motor

Publication Year: 2011, Page(s):2118 - 2126
Cited by:  Papers (12)
| | PDF (1037 KB) | HTML

In this paper, a novel Lorentz-force-driven DC planar motor with low force ripple is proposed. The magnetic field distribution is calculated analytically by using magnetic surface charge model and image method. The expressions of force and torque are derived based on the Lorentz force law. A method for electromagnetic design of the motor is also discussed. The static force characteristic is measur... View full abstract»

• ### Magnetic Field Analysis of 3-DOF Permanent Magnetic Spherical Motor Using Magnetic Equivalent Circuit Method

Publication Year: 2011, Page(s):2127 - 2133
Cited by:  Papers (12)
| | PDF (946 KB) | HTML

The paper studies the magnetic field distribution of three degree-of-freedom (3-DOF) permanent magnet (PM) spherical motor adopting the 3-D magnetic equivalent circuits (MEC) method. Compared with the analytical method and finite element analysis (FEA) method, the MEC has such desirable attributes as moderate computational effort and reasonable accuracy. The model of PM spherical motor is evenly m... View full abstract»

• ### Optimization and Comparison of Novel E-Core and C-Core Linear Switched Flux PM Machines

Publication Year: 2011, Page(s):2134 - 2141
Cited by:  Papers (34)  |  Patents (1)
| | PDF (1215 KB) | HTML

Linear flat switched flux permanent magnet (SFPM) brushless machines have significant potential for many applications including transportation, automobile and aerospace. Novel E-core and C-core linear SFPM machines are proposed and optimized by individual parameter optimization, when the copper loss and volume is fixed, in this paper by finite element (FE) analysis. Then, the results of the indivi... View full abstract»

• ### Statistical Analysis of the Effect of Magnet Placement on Cogging Torque in Fractional Pitch Permanent Magnet Motors

Publication Year: 2011, Page(s):2142 - 2148
Cited by:  Papers (17)
| | PDF (880 KB) | HTML

Theoretically, the layout of fractional pitch permanent magnet motors should ensure the cancellation of most cogging torque harmonics. In reality, manufacturing errors lead to incomplete cancellation and higher than expected cogging torque. One potential manufacturing error is the variation in angle between neighboring magnets. This paper uses the superposition technique to analytically determine ... View full abstract»

• ### Low Loss Z-Type $hbox{Ba}_{3}hbox{Co}_{2}hbox{Fe}_{24}hbox{O}_{41}$ Hexaferrites for Antennas and RF Devices

Publication Year: 2011, Page(s):2149 - 2152
Cited by:  Papers (4)
| | PDF (905 KB) | HTML

Z-type hexaferrites are considered for applications in the 10 MHz to 1 GHz band due to their potential to overcome Snoek's limit. However, state-of-art hexaferrites have high magnetic loss, related to substantial micro-structural inhomogeneity and processing details. The dependence of magnetic properties on the ceramic processing route is demonstrated in this paper for Ba3Co2... View full abstract»

• ### IEEE Magnetics Society Information

Publication Year: 2011, Page(s): C3
| PDF (31 KB)
• ### IEEE Transactions on Magnetics institutional listings

Publication Year: 2011, Page(s): C4
| PDF (152 KB)

## Aims & Scope

IEEE Transactions on Magnetics publishes research in science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Pavel Kabos
National Institute of Standards and Technology