Examination of Irradiated RaLa Source Fuel Rod (prototype No. 2) for Los Alamos Scientific Laboratory PDF Download
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Author: S. H. Paine Publisher: ISBN: Category : Irradiation Languages : en Pages : 48
Book Description
A Los Alamos Scientific Laboratory fuel-bearing assembly was irradiated in the Materials Testing Reactor and subsequently examined at ANL. The design was found to be adequate for containing specimens irradiated to high burnup levels if certain defects introduced by the fabrication procedure are corrected.
Author: S. H. Paine Publisher: ISBN: Category : Irradiation Languages : en Pages : 48
Book Description
A Los Alamos Scientific Laboratory fuel-bearing assembly was irradiated in the Materials Testing Reactor and subsequently examined at ANL. The design was found to be adequate for containing specimens irradiated to high burnup levels if certain defects introduced by the fabrication procedure are corrected.
Author: J. A. Horak Publisher: ISBN: Category : Irradiation Languages : en Pages : 46
Book Description
Twelve 0.22-in.-diameter fuel specimens containing a longitudinal central vent and clad with 0.010 in. of Type 304 stainless steel were irradiated to evaluate the effect of restraint and a central vent on fuel element stability. The cladding of 10 of the specimens contained porous end plugs to vent any released fission gas and thus to minimize the buildup of gas pressure within the stainless steel cladding. The specimens consisted of a 20% enriched uranium--2 wt% zirconium alloy core surrounded by a natural uranium--2 wt% zirconium alloy sleeve. Eight of the specimens were irradiated to burnups of the enriched core of 6.9 to 12.8% of all atoms (1.2 to 2.2 at.% of the duplex assembly) at maximum fuel temperatures ranging from 280 to 760 deg C. Most of the clad specimens exhibited negligible volume increases as a result of irradiation. Two specimens containing central vents but unclad were irradiated together with the clad specimens in an attempt to differentiate between the effects due to a central vent and the effects due to cladding. The central vent in itself did not appear to reduce the swelling characteristics of the alloy. Mechanical restraint appeared to have extended the useful operating temperatures of the metallic fuel alloy by at least 200 deg C and also greatly extended the burnup levels to which the fuel could be irradiated.
Author: S. H. Paine
Author: S. H. Paine
Author: 
Author: 
Author: U.S. Atomic Energy Commission. Division of Technical Information
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Author: 
Author: J. A. Horak
Author: Institute of Metals
Author: Institute of Metals
Author: