Physics of Magnetism Magnetic Materials 2011 Part 10 pdf

... as supply chain management progresses, supply chain managers are realising the need to utilise improved information sharing throughout the supply chain in order to have coordinated supply chain ... companies to improve their supply chain strategies and explore new models for management of supply chain activity. Among others, important research area in the supply...

Ngày tải lên: 20/06/2014, 04:20

... signal monitoring. Recent Advances in Biomedical Engineering3 86 The FO terms in the impedance models arise either from intrinsic viscoelastic (at low frequencies), either intrinsic fractal structure ... fractional-order behaviour in the impedance, arising intrinsically from the fractal structure of the lungs (Ionescu et al, 2009d; Muntean et al, 2009). Recent Advance...

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 02/07/2014, 03:20

... indicator 0 50 10 40 20 30 + _ 10 40 20 30 0 50 10 40 20 30 + _ 10 40 20 30 0 50 10 40 20 30 + _ 10 40 20 30 0 50 10 40 20 30 + _ 10 40 20 30 0 50 10 40 20 30 + _ 10 40 20 30 0 50 10 40 20 30 + _ 10 40 20 30 FIGURE ... view 10 in. or 10 mils 10 in. or 10 mils 10 in. or 10 mils 0 50 10 40 20 30 + _ 10 40 20 30 0 50 10 40 20...

Ngày tải lên: 05/08/2014, 11:20

... m 3 /s of water in an open channel with a slight downward slope S and a hydraulic radius R is measured to yield the following data: R (m) 0.5 1. 0 1. 5 2.0 S 1. 5 r 10 3 1. 91 3 .10 4 .11 5.03 5 r 10 3 3.48 ... range of 0 – 3 m/s. If the signal E is measured as 2, 9, 24, and 47 volts at the velocity V of 0, 1, 2, and 3 m/s, respectively:     FIGURE P3.35...

Ngày tải lên: 06/08/2014, 15:20

... CONTENTS vii Chapter 14 . Soft -Magnetic Materials 14 7 14 .1. Introduction 14 7 14 .2. Survey of Materials 14 8 14 .3. The Random-Anisotropy Model 15 6 14 .4. Dependence of Soft -Magnetic Properties ... 13 . High-Density Recording Materials 13 1 13 .1. Introduction 13 1 13 .2. Magneto-Optical Recording Materials 13 3 13 .3. Materials for High-Density...

Ngày tải lên: 12/08/2014, 01:21

... discussed 23 SECTION 4 .2. FERROMAGNETISM all the steps from Eq. (3.1.4) to Eq. (3 .2. 2). This means that Eq. (3 .2. 2) should actually be written in the form Introducing the magnetic susceptibility ... the J = 5 /2 and J = 7 /2 levels but also due to a difference in energy separation between the levels of the J = 5 /2 manifold (g = 2/ 7 and the levels of the J = 7 /2...

Ngày tải lên: 12/08/2014, 01:21

... then given by 32 CHAPTER 4. THE MAGNETICALLY ORDERED STATE field dependence of the magnetization behaves as shown by curve (a) in Fig. 4 .3. 3. The slope of the first part of this curve is ... discuss the magnetic coupling in these materials in somewhat more detail. We consider a ferrimagnetic compound consisting of two types of magnetic atoms A and B, occupying the s...

Ngày tải lên: 12/08/2014, 01:21

... presence of fourfold-symmetry axes, only terms with n = 4 and m = 0, ± 4 are retained, which leads to where the coefficients of the terms have been calculated with the help of Eq. (5.2 .4) , keeping ... magnetic field will lift the degeneracy of each of the three doublet levels. Since a given magnetic field lowers and raises the energy of each of the sets of doublet...

Ngày tải lên: 12/08/2014, 01:21

... magnetic field of is the magnetic field in an infinitely long solenoid consisting of n turns per meter of coil and carrying an electric current of The unit of the magnetic induction or magnetic ... lines are diluted in diamagnetic materials, concentrated in paramagnetic materials, and strongly concentrated in ferromagnetic materials. In diamagnetic and paramagneti...

Ngày tải lên: 12/08/2014, 01:21

... fixed temperature the entropy of a system of magnetic moments can be lowered by the application of a magnetic field. The entropy is a measure of the disorder of a system, the larger its disorder, ... intersection of the two magnetization curves mentioned. Illustrative examples of measurements of 97 94 CHAPTER 10. CALORIC EFFECTS IN MAGNETIC MATERIALS In the abse...

Ngày tải lên: 12/08/2014, 01:21

... descriptions of magnetic anisotropy and its determination can be found in the textbooks of Chikazumi (1966) and McCaig and Clegg (19 87) . References Chikazumi, S. (1966) Physics of magnetism, ... reversal is the existence of magnetic- domain structures. Magnetic particles of sufficiently large size will generally not be uniformly magnetized but rather be composed of...

Ngày tải lên: 12/08/2014, 01:21

... temperature dependence of the Faraday rotation. This means that 14 Soft -Magnetic Materials 14.1. INTRODUCTION Soft -magnetic materials are mainly used in magnetic cores of transformers, motors, ... magneto-optical rotation 1 49 SECTION 14.2. SURVEY OF MATERIALS thousands of tons. The major part of this material is used for the generation and distribution of...

Ngày tải lên: 12/08/2014, 01:21

... polycrystalline alloys and offer the possibility of tailoring superior soft -magnetic properties for specific applications. In Fig. 14.2.8, the soft -magnetic properties of various groups of materials are ... dependence of the magnetic properties of various types of soft -magnetic materials is compared in Fig. 14.4.1. The random-anisotropy model apparently provides a g...

Ngày tải lên: 12/08/2014, 01:21

... magnets, 119 propagation field for Bloch walls, 113 radius of 4f electron charge cloud, 46 random-anisotropy model, 156 rare-earth-based magnet materials, 119 soft ferrites, 153 soft -magnetic materials, ... slip-induced anisotropy, 152 117 , 118 118 pair ordering, 152 pair-ordering model, 134 paramagnetic Curie temperature, 23, 27 paramagnetism of free ions, 11...

Ngày tải lên: 12/08/2014, 01:21