Title

Phase Development In A U-7 Wt.% Mo Vs. Al-7 Wt.% Ge Diffusion Couple

Abstract

Fuel development for the Reduced Enrichment for Research and Test Reactors (RERTR) program has demonstrated that U-Mo alloys in contact with Al develop interaction regions with phases that have poor irradiation behavior. The addition of Si to the Al has been considered with positive results. In this study, compositional modification is considered by replacing Si with Ge to determine the effect on the phase development in the system. The microstructural and phase development of a diffusion couple of U-7 wt.% Mo in contact with Al-7 wt.% Ge was examined by transmission electron microscopy, scanning electron microscopy and energy dispersive spectroscopy. The interdiffusion zone developed a microstructure that included the cubic-UGe3 phase and amorphous phases. The UGe3 phase was observed with and without Mo and Al solid solution developing a (U,Mo)(Al,Ge)3 phase. © 2013 Elsevier B.V.

Publication Date

7-5-2013

Publication Title

Journal of Nuclear Materials

Volume

441

Issue

1-3

Number of Pages

159-167

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.jnucmat.2013.05.069

Socpus ID

84879589077 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84879589077

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