Study of the interaction of Pt and Rh with Nb or Ta

The 1100°C isothermal sections of the PtRhNb and PtRhTa systems are plotted using the complementary diffusion couple technique and studies of equilibrated alloys. No ternary phases were found in either system. The phases belonging to ] different structural polytype families exhibit polytypic beh...

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Bibliographic Details
Published inJournal of alloys and compounds Vol. 240; no. 1-2; pp. 249 - 252
Main Authors Zhmurko, G.P., Kuznetzov, V.N., Kalmykov, K.B., Murzagareev, T.G.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.07.1996
Subjects
Isothermal section
Phase equilibria
Polytypism
PtRhNb phase diagram
PtRhTa phase diagram
Phase equilibria
Polytypism
Isothermal section
PtRhTa phase diagram
PtRhNb phase diagram
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Summary:The 1100°C isothermal sections of the PtRhNb and PtRhTa systems are plotted using the complementary diffusion couple technique and studies of equilibrated alloys. No ternary phases were found in either system. The phases belonging to ] different structural polytype families exhibit polytypic behavior in the classical sense and some phase fields could not be resolved. The binary phases with more multilayered structures dissolved more of the third component than their simpler analogs. Also, the phases with structures belonging to the same family tend to have more comlicated packings the greater their deviation from the ideal stoichiometry.
ISSN:0925-8388
1873-4669
DOI:10.1016/0925-8388(96)02212-8