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Selected advances in materials research

Description: Several findings emanating from materials research that should have a beneficial impact on technological advancement in the future are described. The report deals with the GRAPHNOL, a new class of high-temperature brazing alloy for joining refractory components, gel-sphere-pac process for manufacture of nuclear fuel, and noble-metal fuel cladding for service in radioisotope thermoelectric generators designed to provide auxiliary power aboard spacecraft for planetary exploration.
Date: January 1, 1979
Creator: Cunningham, J. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Synchrotron-radiation research

Description: The use of radiation from synchrotron sources has started a renaissance in materials, physics, chemistry, and biology. Synchrotron radiation has advantages over conventional x rays in that its source brightness is a thousand times greater throughout a continuous energy spectrum, and resonances are produced with specific electron energy levels. Two major synchrotron radiation sources are operated by DOE: the Stanford Synchrotron Radiation Laboratory at SLAC, and the National Synchrotron Light So… more
Date: January 1, 1982
Creator: Cunningham, J. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Recent developments in graphite. [Use in HTGR and aerospace]

Description: Overall, the HTGR graphite situation is in excellent shape. In both of the critical requirements, fuel blocks and support structures, adequate graphites are at hand and improved grades are sufficiently far along in truncation. In the aerospace field, GraphNOL N3M permits vehicle performance with confidence in trajectories unobtainable with any other existing material. For fusion energy applications, no other graphite can simultaneously withstand both extreme thermal shock and neutron damage. He… more
Date: January 1, 1983
Creator: Cunningham, J. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Specifications and Fabrication Procedures for APPR-1 Core II Stationary Fuel Elements

Description: Stainless steel-base fuel components of thin plate-typs construction and containing a dispersion of enriched UO/sub 2/ have been successfully employed in powering the Army package Power Reactor. The stationary fuel compcnent proposed for operation in the second core loading of the reactor is discussed. The component is designed for radioactive service in pressurized water at 4504DEF and consists of eighteen composite fuel plates joined into an Integral unit or assembly by brazing. Design specif… more
Date: July 15, 1958
Creator: Cunningham, J. E. & Beaver, R. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Metallurgy Division SemiAnnual Progress Report for Period Ending October 10, 1955

Description: Static corrosion tests in sodium and in fused-fluoride-salt mixture on type 310 stainless steel T-joints brazed with various alloys by the Wall Colmonoy Corporation indicate that the 9% Si-2.5% P-88.5% Ni alloy has fair resistance to both media.
Date: May 11, 1956
Creator: Frye, J. H.; Manly, W. D. & Cunningham, J. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Specifications and Fabrication Procedures on Europium-Bearing Absorber Rods for Reactivity Control in Core II of SM-1

Description: From abstract: "This report is concerned with the specifications and fabrication procedures developed and concerned with the specifications and fabrication procedures developed and adopted for manufacturing the prototype component."
Date: 195X
Creator: Leitten, C. F., Jr.; Beaver, R. J. & Cunningham, J. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Metallurgy Division Semiannual Progress Report for Period Ending April 10, 1956

Description: Progress report of the Oak Ridge National Laboratory Metallurgy Division providing updates on various projects, experiments, and other work. This report includes a summary of scholarly output and summaries of general corrosion, dynamic corrosion, mechanical properties, nondestructive testing, welding and brazing, fabrication, physical chemistry of corrosion, HRP metallurgy, the package power reactor program, APPR absorber, metallurgical materials and processing, metallography, ceramics, fundam… more
Date: November 2, 1956
Creator: Frye, J. H., Jr.; Manly, W. D. & Cunningham, J. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Two-Dimensional Carrier-Carrier Screening in a Quantum Well

Description: The behavior of carrier-carrier screening is investigated in a GaAs-GaAIAs quantum well structure by measuring the band-to-band polarization dephasing with femtosecond photon echoes. The variation of the electron-hole polarization dephasing time with the carrier concentration reveals the two-dimensional character of the short range screening between the interacting carriers.
Date: July 1, 1991
Creator: Bigot, J.-Y.; Portella, M. T.; Schoenlein, R. W.; Cunningham, J. E. & Shank, C. V.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Specifications and Fabrication Procedures for APPR-1 Core II Stationary Fuel Elements

Description: Report regarding the design requirements and manufacturing procedures for the stationary fuel component proposed for operation in the second core loading of the Army Package Power Reactor at Fort Belvoir, Virginia.
Date: 1959
Creator: Cunningham, J. E.; Beaver, R. J.; Robertson, R. D. & Edgar, E. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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