'International Workshop on Rare-Earth Magnets and their ... · PROGRAM and TA B L Eof CONTENT Page...
Transcript of 'International Workshop on Rare-Earth Magnets and their ... · PROGRAM and TA B L Eof CONTENT Page...
UB/TIB Hannover
PROGRAM and TA B L Eof CONTENT
Page
Indroductory Remarks: C. Herget and K.J. Strnat XXIX
Workshop Co-Chairmen
Part I: 9th INTERNATIONAL WORKSHOP ON RARE-EARTH MAGNETS
AND THEIR APPLICATIONS
31 August - 2 September 1987
SESSION ON MAGNET CIRCUIT DESIGN: Wl
Chairmen: W. Baran, Krupp Widia GmbH, Essen, Germany/FRG
J. Simkin, Vector Fields Ltd., Osney Mead, UK
Invited Lecture
1 Numerical Calculation of Magnetic Fields Excited by Currents
and Hard Magnetic Materials 1
W. MUller
Technische Hochschule Darmstadt (Germany/FRG)
Invited Lecture
2 The Simulation of Anisotropic and Hysteretic Materials in
Magnetic Field Computations 17
H. Zijlstra
CSC-Scientific Consultancy, Eindhoven (Netherlands)
3 Theoretical Background and Numerical Computation of Incomplete
Exterior Multipole Systems with Rare-Earth Permanent Magnets 27
M. Marinescu and N. Marinescu*
Ing.-BUro fiir Magnettechnik, Frankfurt (Germany/FRG)
*Inst. fiir Theoretische Physik, Universitat Heidelberg (Germany(FRG)
4 A Finite Element Design Technique and Test Verification for a
Neodymium-Iron-Boron Permanent Magnet Machine 41
E.S. Ortoli, D. Pavlik and J.R. Repp
Westinghouse Electric Corporation R&D Center, Pittsburgh, PA (USA)
- I -
Part I - Page
Posters to Session 1
WP1.1 Design of a Permanent Magnet System for an ECR-Type Ion Source 55
W. Baran
Krupp Widia GmbH, Essen (Germany/FRG)
SESSION ON ELECTROMECHANICAL APPLICATIONS: W2
Chairmen: A. Prechtl,Siemens AG, Bad Neustadt, Germany/FRG
D. Howe, University of Sheffield (UK)
Invited Lecture
W2.1 The Potential for Nd-Fe-B in Electrical Machines 65
D. Howe, T.S. Birch and P. Gray
IG Technologies Ltd., Sheffield (UK)
W2.2 Magnetization of Rare-Earth Magnets in Steppers and Rotors
of AC Servomotors
D. Djurek
Institute of Physics, University of Zagreb (Yugoslavia)
- Paper not received -
W2.3 An Electrodynamic Braking System for Railway Vehicles Based
on an Axle-Mounted Permanent Magnet Alternator 85
D. Howe, D.M.H. Matthews, T.S. Birch, A.P. Jablonski* and N.M. Rash*
University of Sheffield (UK)
*The Railway Technical Center, Derby (UK)
W2.4 Paper omitted
W2.5 New Design of Rotor for Permanent-Magnet Machine 93
Xing-ye Tang
Southwest Institute of Applied Magnetics, Mianyang, Sichuan (China)
Posters to Session 2
WP2.1 Design Analysis of Rare-Earth Magnet Electrical Machines and
their Inverters
Hong Gu and Zhonhua Liang
Shenyang Polytechnic University (China)
- Paper not received -
Part I - Page
.2 A New Type of Electromagnet Biased by Permanent Magnets 101
Xing-ye Tang
Southwest Institute of Applied Magnetics, Mianyang, Sichuan (China)
SESSION ON MAGNET GUIDANCE APPLICATIONS: W3
Chairmen: D. Weinmann, Ugimag Recoma AG, Lupfig, Switzerland
R. Pauthenet, Laboratoire Louis Neel, Grenoble, France
Invited Lecture
1 Spectral Characteristics and Design of Wigglers and Undulators
W. Gudat
Institut fiir Festkbrperforschung der KFA JUlich (Germany/FRG)
- Paper not received -
2 A Catalogue of Novel Permanent-Magnet Field Sources 109
H.A. Leupold, E. Potenziani II and J.P. Clarke
US Army Electronics Technology and Devices Laboratory,
Ft. Monmouth, NJ (USA)
3 A Periodic Magnets for Free Electron Devices 125
Lirong Kuang, Ailing Peng, Jison Zhang and Oian Liu
Southwest Institute of Applied Magnetics, Mianyang, Sichuan (China)
4 A Comparison of Temperature Compensation in S1T1CQ5 and RE2(TM)i;
as Measured in a Permeameter, a Traveling Wave Tube and an
Inertial Device over the Temperature Range of -60° TO 200°C 131
M.S. Walmer
Electron Energy Corporation, Landisville, PA (USA)
5 Permanent Magnet Devices for Plasma Etching Machines 141
J.-P. Yonnet and A. Picard*
Laboratoire d'Electrotechnique de Grenoble, St. Martin d'Heres (France)
*AET-Addax, ZA ?r& Milliet, Montbonnot (France)
- Ill -
Part I - Page
Posters to Session 3
WP3.1 Permanent Magnet Field Sources Derived from the "Magic Rin9" Concept 149
E. Potenziani II and H.A. Leupold
US Army Electronics Technology and Devices Laboratory.
Ft. Monmouth, NJ (USA)
WP3.2 Radiation and Temperature Effects on Sm-Co and NdFeB Magnets
in Low Permeance Configurations"7
A.F. Zeller and J.A. Nolen
Michigan State University, East Lansing, MI (USA)
SESSION ON MAGNETOMECHANICAL APPLICATIONS: W4
Chairmen: K.-D. Hubner, Thyssen Edelstahlwerke AG, Dortmund, Germany/FRG
F.J. Friedlander, Purdue University, West Lafayette, IN (USA)
Invited Lecture
W4.1 Application of Rare-Earth Magnets for the Magnetic Support and
Propulsion of Guided Transport Systems
H.W. Himmel
Magnetbahn GmbH, Starnberg (Germany/FRG)
- Paper not received -
Invited Lecture
W4.2 New Rare-Earth Permanent Magnet Structure for Producing Optimal
Magnetic Fields in Magnetic Separation Devices,
Comparison with Previous Systems163
M. Marinescu, N. Marinescu* and H. Unkelbach**
Ing.-Buro fdr Magnettechnik, Frankfurt (Germany/FRG)
*Inst. fur Theoretische Physik, Universitat Heidelberg (Germany/FRG)
**KHD Humboldt wedag, Kdln (Germany/FRG)
W4.3 Pre-Clinical Performance of a Magnetically-Actuated,
Implantable Artificial Heart 181
S.G. Kovacs, M.S. Sweeney, L.E. Ondrovic and R.G. Connar
University of South Florida, Tampa, FL (USA)
Part 1 - Page
W4.4 Rare Earth Magnets in Instruments with Free Magnetic Suspension 193
Th. Gast, G. Luce
Technische Universitat Berlin (Germany/FRG)
Posters to Session 4
WP4.1 Magnetic Circuit Design of a Drum-Type Magnetic Separator with
Rare-Earth Permanent Magnets 199
Ligong Ding, Fuxiang Zhang and Yongfeng Zhai
China National Factory No 8272, Jilin (China)
WP4.2 Magnetic Circuit Design of a Rare-Earth Permanent Magnet Bearing 205
Ligong Ding, Fuxiang Zhang and Chunji Xu
China National Factory No 8272, Jilin (China)
WP4.3 Application of Rare Earth Permanent Magnets to Design
an Effective Tailless Intrauterine Contraceptive Device 213
B.R. Livesay, J.W. Larsen and H.J. Tatum*
Georgia Tech Research Institute, Atlanta, GA (USA)
*Emory University, Dept. GYN/OB, Atlante, GA (USA)
WP4.4 Permanent Magnet Couplings
J.-P. Yonnet
Laboratoire d'Electrotechnique de Grenoble ENSIEG,
St. Martin d'Heres (France)
- Paper not received -
WP4.5 Paper omitted
WP4.6 Powerful Magnetic Pump Used for High Pressure Vessels 221
Li Gon-Kun, Zhao Ke-Zhong, Zhang Xing-Quan, Liu Ming Hut,
Yang Kun-Yuan
Lanzhou Institute of Physics, Lanzhou (China)
. V -
Part I - Page
SESSION ON MAGNET PROCESSING TECHNOLOGY: W5
Chairmen: W. Ervens, Krupp Widia GmbH, Essen, Germany/FRG
H. Lemaire, Aimants Ugimag, St. Pierre d'Allevard, France
Invited Lecture
W5.1 Overview of Rare-Earth Magnet Processing Technology 233
M.A. Bohlmann
IG Technologies, Inc., Valparaiso, IN (USA)
W5.2 The Potential of the HD-Process in Permanent Magnet Production 249
I.R. Harris
University of Birmingham, Edgbaston (UK)
W5.3 The Influence of Nd-Fe-B Alloy Hydrogen Absorption on
Permanent Magnet Production 267
U.D.Scholz, W.E. Krbnert and H. Nagel
Thyssen Edelstahlwerke AG, Dortmund (Germany/FRG)
W5.4 The Production of Nd-Fe-B Permanent Magnets by a Hydrogen
Decrepitation/Jet Milling Process 275
E. Rozendaal, J. Ormerod, P.J. McGuiness* and I.R. Harris*
Mullards Southport, Merseyside (UK)
University of Birmingham, Edgbaston (UK)
W5.5 Hydrogen Atmosphere Sintering of Nd-Fe-B
T. Takeshita, R. Nakayama, K. Morimoto and H. Watanabe
Mitsubishi Metal Corporation, Nankai (Japan)
- Paper not received -
Posters to Session 5
WP5.1 Hot Isostatic Pressing of a Smz^n Type Magnet Alloy 287
S.E. Hsu, K.L. Wang, T.I. Hou, D.S. Tsai and T.S. Chin
Materials R&D Center, Chung Shan, Inst, of Sci. and Tech.
Lung-Tang, Taiwan (China)
Department of Materials Eng., National Cheng Kung University,
Tainan, Taiwan (China)
Part I - Page
WP5.2 Magnetic Measurements in Rapidly-Quenched and Hot Pressed
Nd-Fe-B Alloys 295
P.B. Gwan, J.P. Scully, D. Bingham, J.S. Cook, R.K. Day, J.B. Dunlop
and R.G. Heydon
CSIRO, Division of Applied Physics, Lindfield (Australia)
WP5.3 Texture Formation in a Rapidly Quenched Nd-Fe-B Alloy During
Hot Pressing
Yang Luo and Ning Zhang
Central Iron and Steel Research Institute, Beijing (China)
- Paper not received -
WP5.4 Formation of Nd-Fe-B by Mechanical Alloying 301
L. Schultz and J. Wecker
Siemens AG, Erlangen (Germany/FRG)
WPS.5 Magnetic and Corrosion Properties of Mechanical Alloyed Nd2Fei4B
with a Rare Earth Hydride 311
R. van Mens, G.W. Turk and M. Brouha
Philips Research Laboratories, Eindhoven (Netherlands)
WP5.6 Radially Oriented Toroids of Nd-Fe-B Permanent Magnets
Wei Li, Long Jiang and Jinghan Zhu
Central Iron and Steel Research Institute, Beijing (China)
- Paper not received -
WP5.7 Rare Earth Permanent Magnets with Convergent Orientation 317
Z. Blazek, V. Landa and P. Novak
National Research Institute for Materials, SVUM, Prague
(Czechoslovakia)
Part I - Page
SESSION ON RARE-EARTH SOURCES AND METALLURGY
PANEL ON RAW MATERIALS AVAILABILITY AND ECONOMICS: W6
Chairmen: C. Herget, Th. Goldschmidt AG, Essen, Germany/FRG
P. Falconnet, Rhone-Poulenc MineYale Fine, Paris, France
Invited Lecture
W6.1 Overview of the Supply of Rare Earth Raw Materials for"tne
Magnet Industrie
J. Chegwidden
Roskill Information Services, Ltd., London (UK)
-211
Invited Lecture
W6.2 Overview Presentation of the Metallurgical Processes Involved
in Making the Rare Earth-Transition Metal Alloys'537
F.G. Jones
F.G. Jones Associates Ltd., Alma, MI (USA)
W6.3 The Economic Impact of Neodymium-Iron-Boron Magnets J25
P.G. Boswell and T. Renko
Battelle Europe, Geneva (Switzerland)
W6.4 Panel On Rare-Earth Raw Materials and Alloys Availability
and Production
P. Falconnet, C. Herget and representatives from the
rare-earth industry
Posters to Session 6
WP6.1 The Preparation of Neodymi um Metal for Nd-Fe-B magnets 325
Li Zuoshun, Yang Guanglu and Li Zongang
General Research Institute for Non-Ferrous Metals, Bei jing (China)
WP6.2 An Investigation of the R-D Process for the Production of SmCo5
Powder by a Response Surface Method 331
Huo-Wang Hsi, Yen-Wu Miao and Jiin-Shiung Horng
Institute of Nuclear Energy Research, Lung-Tan, Taiwan (China)
WP6.3 Reduction-Diffusion Preparation of Alloy Powders Based on
Nd-Fe-B and Magnets Made thereof 339
S.X. Zhou, D. Li and R.J. Shuai
Central Iron and Steel Research Institute, Beijing (China)
Part I - Page
WP6.4 Nd-Fe-B Type Magnets Produced by the R-D Process
G. Sun, Y. Xiao, S. Zhou, S. Liu, M. Zhang and B. Qiu
Beijing University of Iron and Steel Technology, Beijing (China)
- Paper not received -
WP6.5 The Study on Oxygen Content in Preparing SmCos Magnetic
Powder by R-D Process 347
Huo-Wang Hsi, Yen-Wu Miao, Jiin-Shiung Horng
Institute of Nuclear Energy Research, Lung-Tan, Taiwan (China)
WP6.6 Corrosion Resistance of Cobalt-Containing Nd-Fe-B Magnets 355
K. Ohashi, Y. Tawara, T. Yokoyama and N. Kobayashi
Shin-Etsu Chemical Co. Ltd., Takefu (Japan)
WP6.7 The Electrochemical Behavior of Rare-Earth Magnets
T.S. Chin, Z.T. Chang, D.S. Tsai, W.T. Tsai and Y.H. Chang
National Cheng Kung University, Tainan, Taiwan (China)
- Paper not received -
SESSION ON R-Co MATERIALS: W7
Chairmen: H. Nagel, Thyssen Edelstahlwerke AG, Dortmund, Germany/FRG
K.O. Strnat, University of Dayton, OH, USA
Invited Lecture
W7.1 The Development and Processing of Rare Earth-Cobalt Permanent Magnets
H.K. Bayley, A. Hall, E. Rozendaal and J. Ormerod
Mullard Magnetic Components, Southport (UK)
- Paper not received -
W7.2 Effect of Zr on the Phase Equilibria and Magnetic Characteristics
of the Sm-Co Base Alloys 363
C.H. Allibert, S. Derkaoui, F. Delannay* and J. Laforest**
LTPCM - INPG, St. Martin d'Heres (France)
University Catholique de Louvain, Louvain la Neuve (Belgium)
**Laboratoire L. N^el, CNRS, Grenoble (France)
- IX -
Part I - Page
W7.3 Mbssbauer Studies of Sm(Co,Cu,Fe,Zr)7.4 Permanent Magnet 373
Ma Ruzhang, L1 Zhengwen, Ping Jueyun, Feng Yongrong and Pan Shuming*
Beijing University of Iron and Steel Technology (China)
Central Research Institute of Non-Ferrous Metals, Beijing (China)
W7.4 Microprobe Investigations of the Surface of Sintered 2 : 17
Rare Earth Permanent Magnets 379
P. Labulle and H. Lemaire*
UA CNRS, Mont-Saint-Aignan (France)
Aimants UGIMAG S.A., St. Pierre d'Allevard (France)
W7.5 Metallurgical and Magnetic Properties of Iron-Enriched
Ce-Co-Fe-Cu-Zr Magnets 387
Y. Tawara, K. Ohashi, K. Uesaka and H. Nagata
Shin-Etsu Chemical Co.Ltd., Takefu (Japan)
Posters to Session 7
WP7.1 Compositional and Structural Analysis of the Cellular Microstructure
Development in 2:17 Type Permanent Magnet Alloys by Analytical
Electron Microscopy
B. Zhang*, J.R. Blachere*. W.A. Soffa* and A.E. Ray**
*Dept. of Mat'ls Sci. and Eng., University of Pittsburgh,
Pittsburgh, PA, (USA)
University of Dayton Research Inst., Dayton, OH (USA)
- Paper not received -
WP7.2 A Revised Model for the Metallurgical Behavior of 2:17 Type
Permanent Magnet Alloys
A.E. Ray*, W.A. Soffa**, J.R. Blachere** and B. Zhang**
University of Dayton Research Inst., Dayton, OH (USA)
**University of Pittsburgh, Pittsburgh, PA (USA)
- Paper not received -
WP7.3 Variation in Coercivlty During Annealing Treatment of 2-17 Magnets 395
Sun Daku, Wang Xiaosong, Y1 Quanrui and Jin Xlugang
Southwest Institute of Applied Magnetics, Mianyang, Sichuan (China)
Part I - pageWP7.4 Coercivity, Structure and Domain Patterns in Ce.7Sm.3TMg.67
Magnets Corresponding to Different Annealing Processes 401
Chen Hongbing, Shao Yuqing and Zahn Yaping
Guilin Electrical Apparatus Scientific Research Inst., Guilin (China)
WP7.5 Temperature Compensated Smi_xGdx (Co,Cu,Fe,Zr)7.4 Permanent Magnets 411
Wang Jiahai, Chang Ke
Baotou Research Institute of Rare Earth, Baotou (China)
WP7.6 Paper omitted
WP7.7 Magnetic Properties of Unoriented S111C05, Sm2(TM)i7 and Nd-Fe-B
over the Temperature Range of -60°C to 200°C 415
Kuan Hua Lee and M.S. Walmer
Electron Energy Corporation, Landisville, PA (USA)
WP7.8 Paper omitted
WP7.9 Paper omitted
WP7.10 High Coercivities in SmCo5-xNix Alloys with Different Degree
of Disorder
6.C. Hadjipanayis and A. Nazareth
Kansas State University, Manhattan, KS (USA)
- Paper not received -
WP7.11 Controlling the Quality and Magnetic Properties of the
Co-Gd-Sm System, Using a Fast In-Process X.R.F. Analysis 423
R. W. Ribitch
Hitachi Magnetics Corporation, Edmore, MI (USA)
WP7.12 The Ageing Characteristics of a 2/17 Alloy; Coercivity Microhardness
and Electrical Resistance Measurements 435
T. Bailey and I.R. Harris
University of Birmingham, Birmingham (UK)
WP7.13 Effect of Boron Additions on Magnetic Properties of
Sm(Co,Cu,Fe,Zr)z Permanent Magnets 445
T. Mukai, T. Fujimoto and F. Matsumoto
R&D Labs.-I, Nippon Steel Corporation, Kawasaki (Japan)
- XI -
Part I - Page
SESSION ON R-FE-B MATERIALS I: W8
Chairmen: W. Rodewald, Vacuumschmelze GmbH, Hanau, Germany/FRG
M. Sagawa, Sumitomo Special Metals Co., Osaka, Japan
Invited Lecture
1 Physico-Chemical Properties of Ternary Rare Earth Base
Alloys and their Relation to Permanent Magnet Applications 453
Relation to Permanent Magnet Applications
K.H.J. Buschow
Philips Research Laboratories, Eindhoven (Netherlands)
2 Effect of Minor Alloying Substituents (Nb.Ti.Zr) on the
Temperature Dependence of the Permanent Magnet Properties
of Sintered (Nd,Dy)-(Fe,Co)-B 467
Y. Xiao, K.J. Strnat, H.F. Mildrum and A.E. Ray
University of Dayton, Dayton, OH (USA)
3 Thermal Stability of Nd-Fe-B Sintered Magnets 477
M. Tokunaga, M. Endoh and H. Harada
Hitachi Metals Ltd., Kuroagaya (Japan)
4 Magnetic Properties of Rapidly Quenched Nd-Fe-Co-B 485
J. Wecker and L. Schultz
Siemens AG, Erlangen (Germany/FRG)
5 Magnetic Properties of Rapidly Quenched Nd-Fe-T-B
(T=Zr, Nb) Magnets 495
T. Yoneyama, 0. Kohmoto and K. Yajima
TDK Co., Ltd., R&D Center, Ichikawa (Japan)
SESSION ON R-FE-B MATERIALS II: W8 (Continued)
6 Temperature Characteristics of some Types of Nd-Fe-B Magnets 503
Li Wei, Jiang Long, Zhang Jian and Zhu Jinghan
Central Iron and Steel Research Institute, Beijing (China)
7 Coercivity and Thermal Treatment of Sintered Nd-Fe-B Magnets 511
D. Eckert, J. Schneider, 0. Hinz and A. Handstein
ZFW, AdW der DDR, Dresden (Germany/GDR)
Part I - PageW8.8 High Coercivity and High Curie Temperature Nd-Fe-Co-Al-B
Permanent Magnet 5ig
Pan Shuming, Ying Qiming, Li Dongpei, Zhao Ju, Ren Shikuan,
Zhang Jian, Li Zhengwen*, Ping Jueyun* and Ma Ruzhang
General Research Institute of Non-Ferrous Metals, Beijing (China)
Beijing University of Iron and Steel Technology, Beijing (China)
W8.9 Structure and Magnetic Properties of Co-Rich Pr-Co-B Alloys 527
Y.C. Chuang, C.H. Wu, T.D. Chang, F.H. Wang, F.R. de Boer*
Institute of Metal Research, Shenyang (China)
University of Amsterdam, Amsterdam (Netherlands)
W8.10 The Effect of Surface Oxidation on the Demagnetization
Curve of Sintered Nd-Fe-B Permanent Magnets 537
R. Blank and E. Adler
Vacuumschmelze GmbH, Hanau (Germany/FRG)
Posters to Session 8
WP8.1 NdFeB Magnets Having a (100) Fiber Texture 545
B.M. Ma, R.F. Krause and V.K. Chandhok
Crucible Research Center, Pittsburgh, PA (USA)
WPS.2 Paper omitted
WP8.3 Preparation of High Coercivity Magnets Based on the Nd-Fe-B System 553
L.C. Su, K.L. Wang and S.E. Hsu
Materials R&D Center, Chung Shan Institute of Science
and Technology, Lungtan, Taiwan (China)
WP8.4 (Nd-Pr-MM)-Fe-B Permanent Magnet Alloys 561
Yong Wan, Ping Wu, Yugin Jin and Yanru Gu
Beijing Metallurgical Research Institute, Beijing (China)
WP8.5 NdFeB Magnet with Low Temperature Coefficient 569
Xie Hongzu, Zhang Jin, Yang Meijuan and Guo Binglin
Baotou Rare Earth Research Institute, Baotou (China)
WP8.6 The Magnetic Properties of La Substituted Nd-Fe-B Magnets 574
Tang Weizhong, Zhou Shouzeng and Wang Run
Beijing University of Iron and Steel Technology, Beijing (China)
- XIII -
Part I - Page
WP8.7 Study of Permanent-Magnetic Nd-Fe-Co-B Alloys by Mbssbauer Effect 583
Ma Ruzhang, Li Zhengwen, Ping Jueyun, Xu Yingfan and Pan Shuming*
Beijing University of Iron and Steel Technology, Beijing (China)
Central Research Institute of Non-Ferrous Metals, Beijing (China)
WP8.8 The Coercivity and Anisotropy of (Nd,X)-(Fe,Y)-B (X=Dy, and Y=Co,Al)
Based Permanent Magnets 593
R. Grdssinger, A. Keresztes, H. Harada* and Z. Shougong**
Technische Universit'a't Wien, Vienna (Austria)
*Hitachi Metals Ltd. (Japan)
**Inst. of Physics, Chinese Academy of Science, Beijing (China)
WP8.9 Microstructures and Magnetic Properties of Sintered Nd-Dy-Fe-B Magnets
B.M. Ma and R.F. Krause
Crucible Research Center, Pittsburg, PA (USA)
- see SP1.16, Part II, Page 141
WP8.10 Sintered Nd-Fe-B Magnets Containing Co and Al with Improved
Temperature Stability
J. Xue*, Y. Xiao** and S. Liu**
Beijing University of Iron and Steel Technology, Beijing (China)
**University of Dayton, Dayton, OH (USA)
- Paper not received -
WP8.11 The Effects of Alloy Additions to Sintered Nd-Fe-B
S.M. Bond
SG Magnetics Ltd., Ferry Lane (UK)
- Paper not received -
WP8.12 Magnetic Properties of Sintered Ndi6(FeioO-xA1x)76B6 Magnets 601
A. Handstein, J. Schneider, U. Heinecke*, R. Grdssinger**
and Shou-Gong Zhang***
ZFW, AdW der DDR, Dresden (Germany/GDR)
Hochschule fur Verkehrswesen, Dresden (Germany/GDR)
**Institut fiir Experimentalphysik, TU Wien, Vienna (Austria)
***Institute of Physics, Chinese Academy of Science, Beijing (China)
- XIV -
Part I - Page
WP8.13 Study of Aluminium in Nd-Fe-B Permanent MagnetsG.X. Mei, Q.X. Rong, Z.J. Qin and Z.S. Zeng
Shanghai Iron and Steel Research Institute, Shanghai (China)- Paper not received -
WP8.14 Magnetic Properties of Sintered Nd-Fe-Al-B Magnets 609
W. Rodewald
Vacuumschmelze GmbH, Hanau (Germany/FRG)
WP8.15 Structure and Magnetic Properties of R2CM,Ni)i4B
Pseudo-ternary Compounds (R== Nd, Pr; M= Fe, Co) 617
Y.C. Chuang, C.H. Wu and J.Q. Xie
Institute of Metal Research, Shenyang (China)
WP8.16 Structure and Magnetic Properties of some Nd-Fe-B Alloys 635
Y.C. Chuang, C.H. Wu, Y.C. Chang, L. Kao and F.R. de Boer*
Institute of Metal Research, Shenyang (China)
*University of Amsterdam, Amsterdam (Netherlands)
WP8.17 Measurement of Curie Temperature for Nd-Fe-B Permanent Magnets
at Low Magnetic Field 645
Xue Ronghua and Lu Quan
Department of Physics, Nanjing University, Nanjing (China)
WP8.18 Effect of Sintering Atmospheres on Nd-Fe-B Magnets
T. Takeshita
Mitsubishi Metal Co., Omiya (Japan)
- Paper not received -
WP8.19 Heat Treatment Experiments with Nd-Dy-Fe-B Alloys
J. Hole, S. Besenicar, V. Krasevec and D. Kolar
University of Ljubljana, Ljubljana (Yugoslavia)
- Paper not received -
- XV -
Part I - Page
SESSION ON R-FE-B MATERIALS III AND ON BONDED R-T MAGNETS: W9
Chairmen: R. Cremer, Vacuumschmelze GmbH, Hanau, Germany/FRG
I.R. Harris, University of Birmingham, UK
Invited Lecture
1 Current Sitution of Bonded Rare Earth Magnets in Japan
Tatsuya Shimoda 651
Seiko-Epson Corporation, Suwa-shi Nagano-ken (Japan)
2 Current Status of Thermoplastic and Elastomer Bonded
Neodymium-Iron-Boron Magnets 667
D.M. Hopstock
Electrical Products Laboratory, St. Paul, MN (USA)
3 Rare Earth Permanent Magnets with a Soft-Metal 1 Matrix for Use
in Millimeter/Microwave Tube Focusing Stacks 675
R.M.W. Strnat, M. Doser* and J.P. Clarke**
KJS Associates, Dayton, OH (USA)
*Hitach1 Magnetics Corporation, Edmore, MI (USA)
**U.S. Army ET&DL, Ft. Monmouth, NJ (USA)
4 Origin of High Coercivities in R-Fe-B Powders,
Melt-Spun Ribbons and Sintered Magnets
G.C. Hadjipanayis and A. Kim*
Kansas State University, Manhatten, KS (USA)
*IG Technolgies, Valparaiso, IN, USA
- Paper not received -
5 A Sm-Co Magnet Bonded with Liquid Crystal Polymer 683
M. Hamano
MG Company Ltd., Mlyagi (Japan)
6 The Development and Processing of Bonded Nd-Fe-B Magnets
S.M. Bond
SG Magnetics Limited, Ferry Lane (USA)
- Paper not received -
- XVT -
Part I - Page
Poster to Session 9
WP9.1 FIM-Atom Probe Investigations and Magnetic Properties of Melt
Spun Nd-Fe-B 691
A. HUtten and J. Wecker*
Institut fur Metallphysik, Universltat GSttingen (Germany/FRG)
Siemens AG, Research Laboratories, Erlangen (Germany/FRG)
WP9.2 Paper omitted
WP9.3 Magnetic Properties of R2Fei4_xSixB (R = Y,Nd) Compounds 701
M. Jurczyk, A. Kowalczyk and A. Wrzeciono
Institute of Molecular Physics, Polish Academy of Sciences,
Poznan (Poland)
Supplement709
_ VUTT .