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Titolo: MICROSTRUCTURE AND MAGNETOSTRICTION OF (DY0.7TB0.3)(1X)PR(X)FE(1.85)AND (DY0.7TB0.3)(0.7)PR0.3FEY ALLOYS
Autore: WANG BW; TANG SL; JIN XM; CHENG LZ; HE KY;
 Indirizzi:
 NE UNIV TECHNOL,DEPT MAT SCI & ENGN SHENYANG 110006 PEOPLES R CHINA SHENYANG INST TECHNOL,DEPT MAT ENGN SHENYANG 110015 PEOPLES R CHINA ACAD SINICA,INST MET RES SHENYANG 110015 PEOPLES R CHINA
 Titolo Testata:
 Applied physics letters
fascicolo: 22,
volume: 69,
anno: 1996,
pagine: 3429  3431
 SICI:
 00036951(1996)69:22<3429:MAMO(>2.0.ZU;2M
 Fonte:
 ISI
 Lingua:
 ENG
 Tipo documento:
 Article
 Natura:
 Periodico
 Settore Disciplinare:
 Science Citation Index Expanded
 Citazioni:
 10
 Recensione:
 Indirizzi per estratti:



 Citazione:
 B.W. Wang et al., "MICROSTRUCTURE AND MAGNETOSTRICTION OF (DY0.7TB0.3)(1X)PR(X)FE(1.85)AND (DY0.7TB0.3)(0.7)PR0.3FEY ALLOYS", Applied physics letters, 69(22), 1996, pp. 34293431
Abstract
The structure, Curie temperature, and magnetostriction of R(1x)Pr(x)Fe(1.85) and R(0.7)Pr(0.3)Fe(y) (R = Dy0.7Tb0.3, x less than or equal to 0.5, 1.55 less than or equal to y less than or equal to 1.85) alloys were investigated. The matrix of R(1x)Pr(x)Fe(1.85) alloys is the MgCu2type cubic (Dy,Tb,Pr) Fe2 and the second phase was found to be (Dy,Tb,Pr) Fe3 when x less than or equal to 0.3. When x>0.4, (Dy,Tb,Pr) Fe3 is the main phase with the PuNi3type structure and (Dy,Tb,Pr) Fe2 becomes the minority phase. In the range of 0.3<x less than or equal to 0.4, both MgCu2 and PuNi3type structures coexist. The R(0.7)Pr(0.3)Fe(y) alloys contain a small amount of (Dy,To,Pr) Fe3 phase when y>1.55, which increased with increasing y. When y = 1.55, the alloy is essentially single phase with the MgCu2type cubic structure. The lattice parameter of (Dy,Tb,Pr) Fe2 compound for R(1x)Pr(x)Fe(1.85) alloys increases slowly with increasing x when x less than or equal to 0.3, and sharply increases when x>0.3. The Curie temperature of the alloys decreases steadily with increasing Pr content. The magnetostrictions of R(1x)Pr(x)Fe(1.85) and R(0.7)Pr(0.3)Fe(y) alloys decrease withincreasing Pr content and Fe content, respectively. The largest magnetostriction at room temperature was found in the alloy R(0.7)Pr(0.3)Fe(1.55) (1480 x 10(6) at H = 796 kA/m). (C) 1996 American Institute ofPhysics.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 22:14:00