Spark plasma sintering of Nd-Fe-B magnetic alloy

被引：23

作者：

Liu, ZG

Umemoto, M

Hirosawa, S

Kanekiyo, H

机构：

[1] Toyohashi Univ Technol, Dept Prod Syst Engn, Toyohashi, Aichi 441, Japan

[2] Sumitomo Special Met Co Ltd, Osaka 618, Japan

来源：

JOURNAL OF MATERIALS RESEARCH | 1999年 / 14卷 / 06期

关键词：

D O I：

10.1557/JMR.1999.0340

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spark plasma sintering was used to consolidate the crystallized Nd-Fe-B alloy powders. It was found that a higher sintering temperature can improve the consolidation significantly, whereas it deteriorates the magnetic properties drastically due to the appearance of a large amount of alpha-Fe phase and the grain growth. Sintering at lower temperature can preserve the magnetic properties better, while the powders cannot be consolidated into a fully dense compact, even under the higher pressure of 75 MPa. Finer starting powder particles show similar behavior.

引用

页码：2540 / 2547

页数：8

共 9 条

[1] NOVEL PERMANENT MAGNETIC-MATERIALS MADE BY RAPID QUENCHING [J].

COEHOORN, R ;

DEMOOIJ, DB ;

DUCHATEAU, JPWB ;

BUSCHOW, KHJ .

JOURNAL DE PHYSIQUE, 1988, 49 (C-8) :669-670

[2] Magnetic properties of nanocomposite (Nd,Dy)(2)(Fe,Co,Zr)(14)B and Nd(Fe,Mo)(12)N-x materials with an excess of Fe [J].

Jurczyk, M ;

Collocott, SJ ;

Dunlop, JB ;

Gwan, PB .

JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1996, 29 (09) :2284-2289

[3]

KONDOH I, 1994, NIPPON SERAM KYO GAK, V102, P505, DOI 10.2109/jcersj.102.505

[4] Studies of new rare-earth permanent magnets [J].

Morrish, AH ;

Li, ZW ;

Zhou, XZ ;

Dai, S .

JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1996, 29 (09) :2290-2296

[5] Hot pressing Nd-Fe-B HDDR powders [J].

Ragg, OM ;

Harris, IR ;

Nagel, H ;

Bohm, P .

IEEE TRANSACTIONS ON MAGNETICS, 1996, 32 (05) :4395-4397

[6]

Sakamoto T., 1997, J JPN SOC POWDER POW, V44, P845

[7] MAGNETIC-PROPERTIES AND PHASE COMPONENTS IN AMORPHOUS (FE1-XNDX)81.5B18.5 ALLOYS AFTER CRYSTALLIZATION [J].

SHEN, BG ;

ZHANG, JX ;

YANG, LY ;

WO, F ;

NING, TS ;

JI, SQ ;

ZHAO, JG ;

GUO, HQ ;

ZHAN, WS .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1990, 89 (1-2) :195-200

[8]

Tokita M., 1993, J JAPAN SOC POWDER P, V30, P790, DOI [DOI 10.4164/SPTJ.30.790, 10.4164/sptj.30.11_790, DOI 10.4164/SPTJ.30.11_790]

[9] Consolidation of MA amorphous NiTi powders by spark plasma sintering [J].

Ye, LL ;

Liu, ZG ;

Raviprasad, K ;

Quan, MX ;

Umemoto, M ;

Hu, ZQ .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1998, 241 (1-2) :290-293

← 1 →