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Biaxial Creep Specimen Fabrication

Description: This report documents the results of the weld development and abbreviated weld qualification efforts performed by Pacific Northwest National Laboratory (PNNL) for refractory metal and superalloy biaxial creep specimens. Biaxial creep specimens were to be assembled, electron beam welded, laser-seal welded, and pressurized at PNNL for both in-pile (JOYO reactor, O-arai, Japan) and out-of-pile creep testing. The objective of this test campaign was to evaluate the creep behavior of primary cladding… more
Date: February 9, 2006
Creator: Bump, JL & Luther, RF
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Processing of Refractory Metal Alloys for JOYO Irradiations

Description: This is a summary of the refractory metal processing experienced by candidate Prometheus materiats as they were fabricated into specimens destined for testing within the JOYO test reactor, ex-reactor testing at Oak Ridge National Laboratory (ORNL), or testing within the NRPCT. The processing is described for each alloy from the point of inception to the point where processing was terminated due to the cancellation of Naval Reactor's involvement in the Prometheus Project. The alloys included thr… more
Date: February 21, 2006
Creator: Luther, RF & Petrichek, ME
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

JOYO-1 Irradiation Test Campaign Technical Close-out, For Information

Description: The JOYO-1 irradiation testing was designed to screen the irradiation performance of candidate cladding, structural and reflector materials in support of space reactor development. The JOYO-1 designation refers to the first of four planned irradiation tests in the JOYO reactor. Limited irradiated material performance data for the candidate materials exists for the expected Prometheus-1 duration, fluences and temperatures. Materials of interest include fuel element cladding and core materials (r… more
Date: January 31, 2006
Creator: Borges, G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Summary of NR Program Prometheus Efforts

Description: The Naval Reactors Program led work on the development of a reactor plant system for the Prometheus space reactor program. The work centered on a 200 kWe electric reactor plant with a 15-20 year mission applicable to nuclear electric propulsion (NEP). After a review of all reactor and energy conversion alternatives, a direct gas Brayton reactor plant was selected for further development. The work performed subsequent to this selection included preliminary nuclear reactor and reactor plant desig… more
Date: February 8, 2006
Creator: Ashcroft, J. & Eshelman, C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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