先进磁性材料的特性的应用

Foreword PrefaceList of Contributors1 Recent Developments in High-Temperature Permanent Magnet Materials 1.1 Introduction1 1.1.1 Requirement for High\|Temperature Permanent Magnet Materials1 1.1.2 Review of Conventional Permanent Magnet Materials1 1.2 Candidate Alloy System for High\|Temperature Permanent Magnet Materials4 1.3 New Sm2Co17\|Based High\|Temperature Permanent Magnet Materials7 1.3.1 Effects of Compositions on High\|Temperature Intrinsic Coercivity of Sm2 \|TM17 Permanent Magnets7 1.3.2 Magnetic Properties of New Sm2Co17\|Based High\|Temperature Permanent Magnet Materials13 1.3.3 Dynamic Characterizations of New High\|Temperature Permanent Magnets16 1.3.4 Long\|Term Thermal Stability of New High\|Temperature Permanent Magnets19

Foreword PrefaceList of Contributors1 Recent Developments in High-Temperature Permanent Magnet Materials 1.1 Introduction1 1.1.1 Requirement for High\|Temperature Permanent Magnet Materials1 1.1.2 Review of Conventional Permanent Magnet Materials1 1.2 Candidate Alloy System for High\|Temperature Permanent Magnet Materials4 1.3 New Sm2Co17\|Based High\|Temperature Permanent Magnet Materials7 1.3.1 Effects of Compositions on High\|Temperature Intrinsic Coercivity of Sm2 \|TM17 Permanent Magnets7 1.3.2 Magnetic Properties of New Sm2Co17\|Based High\|Temperature Permanent Magnet Materials13 1.3.3 Dynamic Characterizations of New High\|Temperature Permanent Magnets16 1.3.4 Long\|Term Thermal Stability of New High\|Temperature Permanent Magnets19 1.3.5 Microstructure and Crystal Structure21 1.3.6 Coercivity in Sm2\|TM17\|Type Permanent Magnets23 1.4 New Approach to Calculate Temperature Coefficients of Magnetic Properties35 1.5 SmCo7\|Type Permanent Magnets38 1.6 Temperature Compensated Rare Earth Permanent Magnets and Modeling of Temperature Coefficient of Magnetization39 1.7 Other High\|Temperature Permanent Magnet Materials and Furture Perspective46 References472 New Rare\|Earth Transition\|Metal Intermetallic Compounds and Metastable Phases for Permanent Magnetic Materials50 2.1 Introduction50 2.1.1 Overview of Structures 51 2.2 Experimental Processing54 2.2.1 Melting 54 2.2.2 Mechanical Alloying/Milling55 2.2.3 Rapid Quenching 55 2.2.4 HDDR55 2.2.5 Solid\|State Reaction56 2.2.6 Solid\|Gas Reaction56 2.2.7 Sputtering56 2.3 New Intermetallic Compounds57 2.3.1 R(Fe,T,X)12(X=B,C)57 2.3.2 R2Fe14BNδ59 2.3.3 R6Fe13-xM1+x61 2.3.4 R3T29Si4B1061 2.4 Metastable Phases64 2.4.1 RFe564 2.4.2 RT7 (T=Fe,Co,Ti,etc.)65 2.4.3 RT7Nδ68 2.4.4 R\|Fe\|C72 2.4.5 Nd2Fe14BNδ74 2.4.6 RFe1275 2.5 Discussion 76 2.6 Conclusions 79 References 803 Magnetic Properties and Interstitial Atom Effects in the R(Fe,M)12 4 Nanocrystalline Soft Magnetic Materials and Their Applications1245 Spin\|Density Waves and Charge\|Density Waves in Cr Alloys1596 New Magnetic Recording Media2117 Magneto\|Optical Properties of Nanostructured Media2418 Magnetoresistive Recording Heads2719 Magnetic Random Access Memories for Computer Data Storage29210 Magnetoresistive Thin Film Materials and Their Device Applications30711 Nano\|Structural Magnetoelastic Materials for Sensor Applications33912 Soft Magnetic Films and Wires for Magnetic Field Sensors38013 Microwave Permeability of Magnetic Films414

本书的目的是对磁性材料研究的新近进展提供一种全面的理解。本书共分四卷，每一卷集中论述一个具体的研究领域。每一章首先对该章的基本概念和重要观念进行阐述，然后从实验和理论方面进行详细地说明，最后介绍该领域的发展前景以及新的思想。书中提供了详尽的参考文献，可供研究人员参考。 磁性材料的性能变化范围很大有着不同的应用。本卷收集硬磁材料，软磁材料，磁记录材料，磁感应材料等的制作加工，性能及应用的最新成果，阐明实际应用对材料性能的要求。为今后的研究提供方向。 本书的读者对象为研究生和相关专业的研究人员。