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Dynamic plasticity in transition from thermal activation to viscous drag

Description: For low-to-intermediate rates of mechanical loading, plastic deformation, is controlled by thermal activation or mechanical penetration of dislocations through barriers. These barriers can be solute atoms, impurities, or, in the case of very pure materials, other dislocations. At some point between intermediate strain rates (10 -- 10{sup 4} s{sup {minus}1}) and the higher strain rates (10{sup 5} -- 10{sup 7} s{sup {minus}1}) associated with weak-shock compression, the plastic deformation proces… more
Date: January 1, 1991
Creator: Johnson, J.N. & Tonks, D.L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

The effect of realistic antenna geometries on plasma loading predictions

Description: Plasma loading resistances for Ion Cyclotron Resonance Heating (ICRH) antennas are often calculated with sophisticated plasma models and only rudimentary antenna geometries. This paper presents techniques for modifying loading calculations for cavity antennas to account for such realities as return currents in the antenna sidewalls and backplane, the transmission and reflection properties of the Faraday shield, the end effects due to a finite length antenna, the reduction in phase velocity due … more
Date: January 1, 1991
Creator: Ryan, P. M.; Baity, F. W.; Batchelor, D. B.; Goulding, R. H.; Hoffman, D. J. & Tolliver, J. S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Greater-than-Class C low-level radioactive waste characterization. Appendix H: Packaging factors for greater-than-Class C low-level radioactive waste

Description: This report develops and presents estimates for a set of three values that represent a reasonable range for the packaging factors for several waste streams that are potential greater-than-Class C low-level radioactive waste. The packaging factor is defined as the volume of a greater-than-Class C low-level waste disposal container divided by the original, as-generated or ``unpackaged,`` volume of the wastes loaded into the disposal container. Packaging factors take into account any processes tha… more
Date: August 1, 1991
Creator: Quinn, G. & Grant, P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Inspection, testing, and operating requiremens for the packaging and shipping of uranium trioxide in 55-gallon Department of Transportation (DOT) Specification 6M shipping packagings

Description: This document identifies the inspection, testing and operating requirements for the packaging, loading, and shipping of uranium trioxide (UO{sub 3}) in 55-gallon DOT Specification 6M shipping packagings from the Idaho Chemical Processing Plant (ICPP). Compliance with this document assures established controls for the purchasing, packaging, loading, and shipping of DOT Specification 6M shipping packagings are maintained in strict accordance with applicable Code of Federal Regulations (CFRs) and … more
Date: June 1, 1991
Creator: Toomer, D.V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

ITER blanket and shield studies for high aspect ratio design option

Description: The attractiveness of the high aspect ratio design (HARD) option for ITER has motivated a study to assess the blanket and shield design performance for this configuration relative to the ITER reference design. The blanket and shield have been configured to take an advantage of the HARD option. The layered solid breeder blanket concept with water-coolant and steel-structure and the water-steel shield have been used. The changes in the neutron wall loading distribution, the mechanical design, the… more
Date: January 1, 1991
Creator: Gohar, Y.; Attaya, H.; Billone, M.; Johnson, C.; Kopasz, J.; Majumdar, S. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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