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Evaluation of low activation vanadium alloys for structural material in a fusion reactor
The V-7.2Cr-14.5Ti, V-9.2Cr-4.9Ti, V-9.9Cr-9.2Ti, V-13.5Cr-5.2Ti, V-4.1Cr-4.3Ti, Vanstar-7, V-4.6Ti, V-17.7Ti, and V-3.1Ti-(0.5-1.0)Si alloys were evaluated for use as structural material in a fusion reactor. The alloys were evaluated on the basis of their yield strength, swelling resistance, resistance to hydrogen and irradiation embrittlement, and compatibility with a lithium reactor coolant. On the basis of these evaluations, the V-7.2Cr-14.5Ti, V-9.2Cr-4.9Ti, V-9.9Cr-9.2Ti, V-13.5Cr-5.2Ti, Vanstar-7, and V-3.1Ti-(0.5-1.0)Si alloys are considered unacceptable for structural material in a fusion reactor, whereas the V-4.1Cr-4.3Ti, V-4.6Ti, and V-17.7Ti alloys are recommended for more intensive evaluation. The V-7Cr-5Ti alloy may have the optimum combination of strength, DBTT, swelling rate, and lithium dissolution rate for a structural material in a fusion reactor. 4 refs., 6 figs., 4 tabs.
Date:
October 23, 1989
Creator:
Loomis, B. A.; Hull, A. B. & Smith, D. L.
Object Type:
Article
System:
The UNT Digital Library
Vacuum technology issues for the SSC (Superconducting Super Collider)
The Superconducting Super Collider, to be built in Texas, will provide an energy of 40 TeV from colliding proton beams. This energy is twenty times higher than currently available from the only other cryogenic collider, the Fermilab Tevatron, and will allow experiments that can lead to a better understanding of the fundamental properties of matter. The energy scale and the size of the new machine pose intriguing challenges and opportunities for the its vacuum systems. The discussion will include the effects of synchrotron radiation on cryogenic beam tubes, cold adsorption pumps for hydrogen, methods of leak checking large cryogenic systems, the development of cold beam valves, and radiation damage to components, especially electronics. 9 figs., 1 tab.
Date:
October 23, 1989
Creator:
Joestlein, H.
Object Type:
Article
System:
The UNT Digital Library
Jazz Faculty Recital: 1988-10-23 - Dan Haerle, keyboard; Mark Matejka, guitar; Bow Bowman, bass; Ed Soph, drums
Access:
Use of this item is restricted to the UNT Community
A jazz faculty recital performed at the UNT College of Music Recital Hall.
Date:
October 23, 1988
Creator:
Haerle, Dan; Matejka, Mark; Bowman, Bob & Soph, Ed
Object Type:
Sound
System:
The UNT Digital Library
[Photograph 2012.201.B0142.0275]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Listening to the oom-pah-pahs of Clark Van Dyck and Heinie Siegel are Kaye and Ed Cook."
Date:
October 23, 1983
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0154.0472]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "John Davis"
Date:
October 23, 1984
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0070]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
October 23, 1980
Creator:
Grier, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0139.0020]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Tom Coker, H-44."
Date:
October 23, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0144.0002]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Charged with kidnapping Charlotte Kinsey and Cinda Pallett from State Fair."
Date:
October 23, 1981
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0057]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rep. Dave McCurdy . . . independence shows."
Date:
October 23, 1984
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0143.0515]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
October 23, 1984
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Delayed-fission properties of neutron-deficient americium nuclei
Characteristics of the delayed-fission decay mode in light americium nuclei have been investigated. Measurements on the unknown isotopes {sup 230}Am and {sup 236}Am were attempted, and upper limits on the delayed-fission branches of these nuclei were determined. Evidence of the existence of {sup 236}Am was observed in radiochemical separations. Total kinetic energy and mass-yield distributions of the electron-capture delayed-fission mode were measured for {sup 232}Am (t{sub 1/2} = 1.31 {plus minus} 0.04 min) and for {sup 234}Am (t{sub 1/2} = 2.32 {plus minus} 0.08 min), and delayed-fission probabilities of 6.9 {times} 10{sup {minus}4} and 6.6 {times} 10{sup {minus}5}, respectively, were determined. The total kinetic energy and the asymmetric mass-yield distributions are typical of fission of mid-range actinides. No discernible influence of the anomalous triple-peaked mass division characteristic of the thorium-radium region was detected. Measurements of the time correlation between the electron-capture x-rays and the subsequent fission conform that the observed fissions arise from the electron-capture delayed-fission mechanism. Delayed fission has provided a unique opportunity to extend the range of low-energy fission studies to previously inaccessible regions. 71 refs., 44 figs., 13 tabs.
Date:
October 23, 1989
Creator:
Hall, H.L. (California Univ., Berkeley, CA (USA). Dept. of Chemistry)
Object Type:
Report
System:
The UNT Digital Library
Computer circuit analysis of induced currents in the MFTF-B magnet system
An analysis was made of the induced current behavior of the MFTF-B magnet system. Although the magnet system consists of 22 coils, because of its symmetry we considered only 11 coils in the analysis. Various combinations of the coils were dumped either singly or in groups, with the current behavior in all magnets calculated as a function of time after initiation of the dump.
Date:
October 23, 1981
Creator:
Magnuson, G.D. & Woods, E.L.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0255.0416]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Edmond high School homecoming queen and king are Donna Heigle and Craig Fielden."
Date:
October 23, 1984
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0309B.0358]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
October 23, 1985
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0271.0241]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
October 23, 1986
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0239.0461]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Betty Jo Haines shows off her up-to-date version of the flower garden quilt, which will be included in the Central Oklahoma Quilter's Guild Show from 9 a.m. to 5 p.m."
Date:
October 23, 1980
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0255.0620]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The agreement on funding and responsibilities for the 34-sport extravaganza, to be staged July 21-30, was signed by Robert H. Helmick, president of the U.S. Olympic Committee; Baaron Pittenger, acting executive director of the USOC; Lee Allan Smith, president of OklahomaCentenniel Sports Inc.; and Clay Bennett, executive vice-president of OklahomaCentenniel Sports Inc."
Date:
October 23, 1987
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0271.0243]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Ceramic knobs tell what used to be drawers many years ago."
Date:
October 23, 1986
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0259.0247]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A car hits the lane change lights while traveling at 65 mph during the lane change exercise."
Date:
October 23, 1980
Creator:
Beuhner, Jeff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0271.0338]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Monroney coach Luther Hunter instructs his team during a practice session."
Date:
October 23, 1985
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0271.0245]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Shirley and Osborne Hunt show off the fixtures in Dr. A. F. Hobbs store."
Date:
October 23, 1986
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0264.0249]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Wayne Shattuck, Gary Harris and Dr. Frank Horton, from left, pose in front of the 1985 Christmas Seal poster during the kickoff luncheon Wednesday."
Date:
October 23, 1985
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0271.0247]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Labeled knobs tell what's in the storage drawers."
Date:
October 23, 1986
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0262.0205]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Western Heights twirler Petra Hinojosa puts in some practice time."
Date:
October 23, 1987
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History