先進磁性材料手冊第4卷

出版時間:2005-7  出版社:清華大學出版社  作者:劉義  頁數(shù):448  字數(shù):723000  

內(nèi)容概要

本書的目的是對磁性材料研究的新近進展提供一種全面的理解。本書共分四卷,每一卷集中論述一個具體的研究領(lǐng)域。每一章首先對該章的基本概念和重要觀念進行闡述,然后從實驗和理論方面進行詳細地說明,最后介紹該領(lǐng)域的發(fā)展前景以及新的思想。書中提供了詳盡的參考文獻,可供研究人員參考。    磁性材料的性能變化范圍很大有著不同的應(yīng)用。本卷收集硬磁材料,軟磁材料,磁記錄材料,磁感應(yīng)材料等的制作加工,性能及應(yīng)用的最新成果,闡明實際應(yīng)用對材料性能的要求。為今后的研究提供方向。    本書的讀者對象為研究生和相關(guān)專業(yè)的研究人員。

書籍目錄

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

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