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FUEL ELEMENT DEVELOPMENT PROGRAM FOR THE PEBBLE BED REACTOR. Final Report (open access)

FUEL ELEMENT DEVELOPMENT PROGRAM FOR THE PEBBLE BED REACTOR. Final Report

>The basic fuel element consisted of a uniform dispersion of fuel in a 1 1/2 inch diameter graphite sphere. Ceramic coatings for the retention of fission products were studied. It was found-that molecularly deposited'' ceramics such as alumina, siliconized silicon carbide, and pyrolytic carbon were excellent barriers to fission product leakage. The most advantageous location for ceramic coatings was found to be on the individual fuel particles, where the coating was subject to smaller forces and where a larger thickness-todiameter ratio could be used than if the coating were on the surface of the graphite sphere. Fuel elements were irradiated to burnups ranging up to about 6 at.% U/sup 235/. In all specimens containing a uniform dispersion of fuel, the graphite spheres were found to retain their structural properties after irradiation. Data are given on fuel particle coatings of A1/sub 2/O/sub 3/, pyrolytic carbon, and metals: surface coatings of siliconized silicon carbide, pyrolytic carbon, and metal carbides; properties of and the effects of irradiation on graphite spheres; the use of natural graphite in preparing a high-density matrix material; graphite fueling by thorium nitrate infiltration; subsurface metal and metal carbide coatings for graphite; and an in-pile loop program on the behavior …
Date: April 30, 1961
Creator: unknown
Object Type: Report
System: The UNT Digital Library
[News Script: Weather] (open access)

[News Script: Weather]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 8:25 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Rail Worker Killed] (open access)

[News Script: Rail Worker Killed]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 12:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Peace] (open access)

[News Script: Peace]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: 1969-04-30T24:00:00
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Railroad worker] (open access)

[News Script: Railroad worker]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Treasury] (open access)

[News Script: Treasury]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: 1969-04-30T24:00:00
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Senate] (open access)

[News Script: Senate]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Public Broadcasting Corporation] (open access)

[News Script: Public Broadcasting Corporation]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: 1969-04-30T24:00:00
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Cambodia] (open access)

[News Script: Cambodia]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: International News] (open access)

[News Script: International News]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 6:30 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Evening sports roundup] (open access)

[News Script: Evening sports roundup]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Nightly sports roundup] (open access)

[News Script: Nightly sports roundup]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: De Gaulle] (open access)

[News Script: De Gaulle]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: 1969-04-30T24:00:00
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Constitutional Revision] (open access)

[News Script: Constitutional Revision]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 12:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Kennard] (open access)

[News Script: Kennard]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Peace] (open access)

[News Script: Peace]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Request] (open access)

[News Script: Request]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Local News] (open access)

[News Script: Local News]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 8:25 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Play Dirt] (open access)

[News Script: Play Dirt]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Elsesser report] (open access)

[News Script: Elsesser report]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: UNT Protest] (open access)

[News Script: UNT Protest]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 12:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Texas Gridiron Club Awards] (open access)

[News Script: Texas Gridiron Club Awards]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: 1969-04-30T24:00:00
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Stabbing Death] (open access)

[News Script: Stabbing Death]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 12:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Richardson] (open access)

[News Script: Richardson]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: April 30, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library