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Titolo:
Microstructures and the magnetic properties of Fe3B/(Nd, Dy)(2)Fe14B nanocomposite microalloyed with Cu and Zr
Autore:
Kajiwara, K; Hono, K; Hirosawa, S;
Indirizzi:
Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058577, Japan Univ Tsukuba Tsukuba Ibaraki Japan 3058577 sukuba, Ibaraki 3058577, Japan Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan Natl Inst Mat Sci Tsukuba Ibaraki Japan 3050047 a, Ibaraki 3050047, Japan Sumitomo Special Met Co Ltd, Osaka 6180013, Japan Sumitomo Special Met Co Ltd Osaka Japan 6180013 td, Osaka 6180013, Japan
Titolo Testata:
MATERIALS TRANSACTIONS
fascicolo: 9, volume: 42, anno: 2001,
pagine: 1858 - 1861
SICI:
1345-9678(200109)42:9<1858:MATMPO>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERMANENT-MAGNETS; REMANENCE;
Keywords:
nanocomposite magnet; hard magnetic property; melt spinning; transmission electron microscopy; atom probe;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Kajiwara, K Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058577, Japan Univ Tsukuba Tsukuba Ibaraki Japan 3058577 aki 3058577, Japan
Citazione:
K. Kajiwara et al., "Microstructures and the magnetic properties of Fe3B/(Nd, Dy)(2)Fe14B nanocomposite microalloyed with Cu and Zr", MATER TRANS, 42(9), 2001, pp. 1858-1861

Abstract

The effect of Zr and Cu addition to a Nd3.4Dy1Fe72.3B18.5Cr2.4Co2.4 alloy on the microstructure and the magnetic properties of Fe3B/Nd2Fe14B nanocomposite has been investigated by a three-dimensional atom probe (3DAP) and transmission electron microscopy (TEM). Addition of a small amount of Zr and/or Cu is effective in improving the hard magnetic properties of the base alloy. Cu atoms form clusters in the early stage of crystallization, and Zr atoms are segregated at the interfaces of Fe3B/Nd2Fe14B being rejected from the Fe3B soft magnetic phase on the optimal heat-treated condition. This causes refining the nanocomposite microstructure, resulting in improved hard magnetic properties compared to those of the base alloy.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/07/20 alle ore 12:43:11