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Fabrication of simulated plate fuel elements: Defining role of out-of-plane residual shear stress

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Title Fabrication of simulated plate fuel elements: Defining role of out-of-plane residual shear stress
 
Creator RAKESH, R
KOHLI, D
SINHA, VP
PRASAD, GJ
SAMAJDAR, I
 
Subject X-RAY-DIFFRACTION
IRRADIATION BEHAVIOR
DISPERSION FUEL
BOND STRENGTH
THIN-FILMS
MICROSTRUCTURE
ALUMINUM
RECRYSTALLIZATION
TEXTURE
STRIPS
 
Description Bond strength and microstructural developments were investigated during fabrication of simulated plate fuel elements. The study involved roll bonding of aluminum-aluminum (case A) and aluminum-aluminum + yttria (Y2O3) dispersion (case B). Case B approximated aluminum-uranium silicide (U3Si2) 'fuel-meat' in an actual plate fuel. Samples after different stages of fabrication, hot and cold rolling, were investigated through peel and pull tests, micro-hardness, residual stresses, electron and micro-focus X-ray diffraction. Measurements revealed a clear drop in bond strength during cold rolling: an observation unique to case B. This was related to significant increase in 'out-of-plane' residual shear stresses near the clad/dispersion interface, and not from visible signatures of microstructural heterogeneities. (C) 2013 Elsevier B.V. All rights reserved.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2014-12-28T17:09:03Z
2014-12-28T17:09:03Z
2014
 
Type Article
 
Identifier JOURNAL OF NUCLEAR MATERIALS, 445(1/3)200-208
0022-3115
1873-4820
http://dx.doi.org/10.1016/j.jnucmat.2013.11.005
http://dspace.library.iitb.ac.in/jspui/handle/100/16965
 
Language English