INVESTIGADORES
RODRIGUEZ TORRES Claudia Elena
artículos
Título:
Observation of hydrogen induced intermediate borides in PrFeB based alloys by Mössbauer effect spectroscopy
Autor/es:
SACCONE, F.D.; TORRES, C.E.RODRÍGUEZ; SÁNCHEZ, F.H.; GUTFLEISCH, O.
Revista:
PHYSICA B - CONDENSED MATTER
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Año: 2002 vol. 320 p. 312 - 315
ISSN:
0921-4526
Resumen:
In the present work, a quantitative analysis of the phase compositions by Mössbauer effect spectroscopy of solid and conventional hydrogen disproportionated Pr13.7Fe80.3B6.0 and Pr13.7Fe63.5Co16.7Zr0.1B6.0 alloys was carried out. Significant amounts of intermediate borides t-Fe3B and Pr(Fe,Co)12B6 were detected after solid hydrogen disproportionation treatment in Pr13.7Fe80.3B6.0 and Pr13.7Fe63.5Co16.7Zr0.1B6.0 alloys, respectively. After conventional hydrogenation-disproportionation-desorption-recombination treatment these phases were not detected and in no case residual Pr2Fe14B-phase was found. It was observed that the amount of intermediate borides after disproportionation can be correlated with the degree of texture after recombination at various temperatures. © 2002 Elsevier Science B.V. All rights reserved.
