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Titolo:
Sm-Fe-C nanocomposite magnets prepared from powders of Sm, Fe, and graphite by mechanical alloying
Autore:
Geng, DY; Zhang, ZD; Cui, BZ; Zhao, XG; Liu, W; Guo, ZJ;
Indirizzi:
Acad Sinica, Inst Met Res, Int Ctr Mat Phys, Shenyang 110015, Peoples R China Acad Sinica Shenyang Peoples R China 110015 yang 110015, Peoples R China
Titolo Testata:
JOURNAL OF APPLIED PHYSICS
fascicolo: 9, volume: 87, anno: 2000,
parte:, 2
pagine: 5296 - 5298
SICI:
0021-8979(20000501)87:9<5296:SNMPFP>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHASE-TRANSFORMATION; BEHAVIOR; R2FE14C;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Geng, DY Acad Sinica, Inst Met Res, Int Ctr Mat Phys, Shenyang 110015, Peoples R China Acad Sinica Shenyang Peoples R China 110015 15, Peoples R China
Citazione:
D.Y. Geng et al., "Sm-Fe-C nanocomposite magnets prepared from powders of Sm, Fe, and graphite by mechanical alloying", J APPL PHYS, 87(9), 2000, pp. 5296-5298

Abstract

The effects of further addition, of carbon on structure and magnetic properties of the Sm20Fe70C10 alloy synthesized by mechanical alloying have beeninvestigated. The main phase is Sm2Fe17Cx or Sm2Fe14C, depending on the composition of starting materials. The Sm2Fe14C phase tends to form when morecarbon is added. Remilling and reannealing at a low temperature (600 degrees C) improve the magnetic properties of the alloys. The ratio of remanenceto saturation magnetization as high as 0.79 indicates the existence of enhanced exchange coupling between the hard Sm2Fe17Cx and soft Sm2Fe14C/alpha-Fe magnetic phases in the Sm20Fe70C15 alloy. (C) 2000 American Institute ofPhysics. [S0021-8979(00)21208-5].

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/09/20 alle ore 05:46:12