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Acoustic emission from beryllium
The acoustic emission from both powder and ingot source beryllium has been measured as a function of strain and prior heat treatment. Most measurements were made during tensile deformation, but a limited number of compression tests have also been performed. The acoustic emission observed was of the burst type, with little or no contribution from continuous type emission. The emission was characterized by the variation of burst rate and average energy per burst as a function of strain. The tensile behavior was qualitatively similar for all the materials tested. Burst rate maxima centered roughly at 0.1 percent and 1.0 percent plastic strain were observed. The magnitude but not the strain at the low strain burst rate peak was very sensitive to prior thermal treatment, while the higher strain burst rate peak was insensitive to prior heat treatment. An energy per burst maximum was observed at 0.2 percent plastic strain, the magnitude of which was moderately sensitive to heat treatment. The Kaiser effect is observed in the material studied. Emission during compression was similar to that observed in tension. The acoustic emission observed is attributed to dislocation motion, as proposed by James and Carpenter for LiF, NaCl, and Zn. Metallographic studies …
Date:
June 9, 1976
Creator:
Heiple, C. R. & Adams, R. O.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0310.0055]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Mary Ellen Dixon, 20, is secretary in the Call-A-Teen office at 308 W California this year."
Date:
June 9, 1970
Creator:
Wilson, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0310.0056]
Photograph taken for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1970
Creator:
Wilson, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0705]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bid slip for Wyoming artist John Clymer's 'Welcoming the Trade Boat' is drawn."
Date:
June 9, 1978
Creator:
Thompson, Michal
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0158.0619]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Player of the Year Todd Demeter with his father Don Demeter"
Date:
June 9, 1979
Creator:
Reed, Monty
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0134.0427]
Photograph used for a story in the Oklahoma Times newspaper.
Date:
June 9, 1977
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0294B.0611]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Making plans for a chapter project is Mrs. Ralph Holmstrom Jr., president of the epsilon Tau Chapter of Beta Sigma Phi."
Date:
June 9, 1972
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[News Clip: Texas Jam]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
June 9, 1979, 5:30 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Neo-natal]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
June 9, 1978, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Bond wrap up]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
June 9, 1978, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Watson]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
June 9, 1979, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Gas Stations]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
June 9, 1979, 5:30 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[Photograph 2012.201.B0309B.0205]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1972
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0270.0015]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1972
Creator:
Mooney, Hank
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0316B.0355]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Arranging for Sherry Johnson, center, of Meeker, to talk with her brother, escaped convict, Lonnie Johnson, is highway patrolman while Chandler Police Chief John Fulcher, right stands by."
Date:
June 9, 1975
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0307B.0450]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1970
Creator:
Pate, Dave
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0311B.0160]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
June 9, 1975
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0261B.0112]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Formal announcement that he will seek the office of State Superintendent of Public Instruction was made today by Charles D. Holleyman, Mustang school system superintendent."
Date:
June 9, 1970
Creator:
Spears, Dudley
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Utterbackia imbecillis, Specimen #1373
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
June 9, 1977
Creator:
Britton, Joseph & Hagan, J.
Object Type:
Specimen
System:
The UNT Digital Library
[Photograph 2012.201.B0270.0079]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1972
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0270.0080]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 9, 1972
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0225.0272]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
June 9, 1977
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0500.0092]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Summertime service of the city water department is filling private swimming pools from fire hydrants."
Date:
June 9, 1970
Creator:
Taylor, Robert
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Utterbackia imbecillis, Specimen #1357
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; green external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
June 9, 1977
Creator:
Britton, Joseph & Hagan, J.
Object Type:
Specimen
System:
The UNT Digital Library