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Reduced Enrichment for Research and Test Reactors
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Abstracts and Available Papers Presented at the
1998 International RERTR Meeting

DEVELOPMENT OF UZr ALLOY FOR THE TRIGA/IPR-R1 REACTOR FUEL

1,2Silva, E. G.; 1Cardoso, P. E.; 1Ferraz, W. B.

1Centro de Desenvolvimento da Tecnologia Nuclear - CDTN/CNEN
Rua Professor Mário Werneck, s/ n0 – 31123-970
Belo Horizonte – MG - BRAZIL

2Departamento de Engenharia Nuclear - CCTN
Universidade Federal de Minas Gerais – UFMG
Belo Horizonte – MG - BRAZIL

ABSTRACT

This paper reports the fabrication development at CDTN of the UZr alloy for the TRIGA/IPR-R1 reactor fuel. A comparative study of the melting of UZr alloy by using vacuum consumable-electrode arc (VAR) and vacuum induction melting (VIM) processes is described. The characterization of the alloy was done by chemical, diffractometric, metallographic, delayed neutrons and mechanical testing. Both processes have shown advantages and disadvantages. In the case of VAR process, it was necessary to remelt the ingot to homogenize the alloy. The influence of the observed contamination by C in the VIM process on the alloy neutronic and mechanical properties is a case for further studies.


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Contact:
Carlos A. Feu Alvim da Silva
Agência Brasileiro-Argentina Contab. Contr.Mat.Nucleares
Av. Rio Branco, 123 - Grupo 515
Rio de Janeiro RJ, Brazil 20040-005

Phone: 55 21 221 3464
Fax: 55 21 507 1857
Email: feu@abacc.org.br

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Last modified on July 29, 2008 11:32 +0200