Velu, E. M. T. ; Subbarao, E. C. ; Gupta, H. O. ; Gupta, K. P. ; Kaul, S. N. ; Majumdar, K. ; Mittal, R. C. ; Padmavati Sankar, T. A. ; Sarkar, G. ; Satyanarayana, M. V. ; Shankara Prasad, K. ; Subramanyam, J. (1989) Equilibrium relations among magnetic phases in mischmetal cobalt systems The Rare Earths in Modern Science and Technology, 2 . pp. 45-50. ISSN 0271-2903
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Abstract
The study of phase relations in the system MM-Co in the composition range of 55 to 84 wt.-% Co revealed six phases, 1:3, 2:7, 5:19, 1:5, 2:17 and β-Co. Evidence for a possibly new phase between 5:19 and 1:5 phase with a Tc of 340°C is presented. The 1:5 phase exhibits a narrow but definite region of homogeneity and undergoes a eutectoid decomposition into 5:19 and 2:17 phases, though the rate of decomposition is quite sluggish. The phase on the Co-rich side of 2:17 phase has a β-Co (f.c.c.) structure with no solid solubility for rare earth elements. The sequence of occurrence of phases in the multicomponent MM-Co system is essentially similar to that observed in a pure binary Ce-Co system.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Plenum Press, New York. |
| ID Code: | 76324 |
| Deposited On: | 31 Dec 2011 12:28 |
| Last Modified: | 16 Jul 2012 08:35 |
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