Neutron absorber consisting of refractory metal infused with discrete neutron absorber
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United States of America Patent
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Oct 29, 2013
Grant Date -
Nov 8, 2012
app pub date -
Sep 7, 2011
filing date -
Feb 8, 2008
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Abstract
The present invention provides a gray rod control assembly for a nuclear reactor. The gray rod control assembly includes a spider assembly having a plurality of radial extending flukes and a plurality of gray rod assemblies coupled to the flukes of the spider assembly. Each of the gray rod assemblies includes an elongated tubular member, a first end plug, a second end plug, and a neutron absorber. The neutron absorber includes a matrix of refractory metal fabricated to be porous into which a metal or metal alloy is infused. The neutron absorber is distributed among a plurality of the gray rod assemblies.
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