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Effects of Nb content on the Zr2Fe intermetallic stability by C Ramos; C Saragovi; M Granovsky; D Arias is a Materials Science article available to read on EtoBox.

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With the aim of studying the stability range of the Zr 2 Fe intermetallic when adding Nb, the range of existence of the cubic ternary phase (k 1 ) and the corresponding two-phase field between them, four samples were analyzed, each one containing 35 at.% Fe and different at.% Nb: 0.5, 4, 10 and 15. Optical and scanning electron metallographies, X-ray diffraction, microprobe analysis and M€ o ossbauer spectroscopy were performed to determine and characterize the phases present in the samples. Results show that the Zr 2 Fe compound accepts up to nearly 0.5 at.% Nb in solution, since the Zr 2 Fe þ k 1 region is stable in the (0.5-3.5) at.% Nb range. To summarize these results an 800 °C section of the ternary Zr-Nb-Fe diagram, in the studied zone, was proposed.

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Author

C Ramos; C Saragovi; M Granovsky; D Arias

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-3115)

Published

2003

Language

EN

Field

Materials Science (Physical Sciences)