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WELDING AND BRAZING OF HIGH-TEMPERATURE RADIATORS AND HEAT EXCHANGERS
Procedures were developed for fabricating highperformance radiators and heat exchangers for the Aircraft Nuclear Propulsion (ANP) Program. These components, which contain multitudes of tube-to-tube sheet and tube-to-fin joints, are similar in design to those under consideration for a variety of space vehicle applications. In order to ensure reliability of the tube-to-tube sheet joints, techniques producing welds of extremely high quality were used and back brazing of the welds with a suitable alloy was incorporated. High-temperature brazing was also incorporated to attach high-conductivity fins to Inconel tubes in the radiators. The selection of a suitable brazing alloy for these applications was dependent upon several factors, including corrosion and oxidation resistance, flow point, and mechanical properties. A Ni- Si-B alloy was found to be adequate from all these considerations. Special brazing procedures were developed to obtain satisfactory flowability of this brazing alloy on tube-to-fin joints. The suitability of these fabrication procedures for the very stringent service conditions to which the radiators and heat exchangers were subjected was demonstrated by testing full-size components under operating conditions. (auth)
Date:
February 20, 1962
Creator:
Slaughter, G.M. & Patriarca, P.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0307.0141]
Photograph taken for a story in the Oklahoma Times newspaper.
Date:
February 20, 1960
Creator:
King, Cliff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0230.0328]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "The 18,000-acre Codding Ranch is expanding its $300,00 beef cattle improvement research facilities to include a new semen processing laboratory, show barn and sales pavilion."
Date:
February 20, 1964
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0223.0560]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Three small children without names are the subject of a full-blown mystery in Oklahoma City."
Date:
February 20, 1962
Creator:
King, Cliff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0231.0095]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Practicing a skit to be presented at the annual Brotherhood Week observance of the Women's Division of the National Council of Christians and Jews are (left to right) Dr. Jack Cogdill, skit director; Mrs. J. J. Harrigan and Mrs. A. G. Clifton."
Date:
February 20, 1961
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0244.0015]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Job opportunity news is examined by Frank Cowan, program coordinator of the Job Opportunity Center, Mrs. Mayme P. Jackson, center, and Mrs. Glen A. Springer, of the Oklahoma City Urban League, Open house was Sunday for the Urban League Job Opportunity Center, 1621 NE 4."
Date:
February 20, 1966
Creator:
Wood, Tony
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0229.0161]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Bank BURGLARY suspect Larry Charles Clonce, 19, Tulsa, speaks with his mother, Mrs. Marie Wright, shortly before a hearing Monday in front of U. S. Commissioner H. A. Leatherman."
Date:
February 20, 1961
Creator:
Gumm, John
Object Type:
Photograph
System:
The Gateway to Oklahoma History
BASEMENT BOX 67.0022
Photograph taken of interior building wreckage after a fire. Caption: "Fire gutted Coronado Theater at 4020 N. MacArthur early Tuesday."
Date:
February 20, 1962
Creator:
Tapscott, George
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0229.0018]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Was designed and built by A. R. Cline, Rush Springs industrialist, as a focal point for his backyard patio."
Date:
February 20, 1966
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0225.0459]
Photograph taken for a newspaper owned by the Oklahoma Publishing Company.
Date:
February 20, 1967
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph of Dale Peters]
Photograph of Dale Peters. He wears a suit and plays the harpsichord.
Date:
February 20, 1962
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Photograph of Dale Peters]
Photograph of Dale Peters at North Texas State University. He sits at a harpsichord and looks toward the camera.
Date:
February 20, 1962
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Photograph of Dale Peters]
Photograph of Dale Peters at North Texas State University. He sits at a harpsichord and faces the camera.
Date:
February 20, 1962
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Photograph of Dale Peters]
Photograph of Dale Peters at North Texas State University. He wears a suit and plays the harpsichord.
Date:
February 20, 1962
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Photograph 2012.201.B0334.0231]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The old Kingfisher County courthouse, long a landmark, was torn down in 1959."
Date:
February 20, 1961
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0292B.0256]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The Oklahoma City branch of Hobbs Trailers finished moving into its new plant at 500 S, MacArthur and I-40 this week."
Date:
February 20, 1968
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0342.0327]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Ed L. Klein, 82, Oklahoma City insurance man for 58 years' and an active YMCA worker, died Friday morning at his home, 2517 NW 29."
Date:
February 20, 1961
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0234.0481]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
February 20, 1960
Creator:
King, Cliff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0297B.0191]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "IT WAS COLD outside when this Tulsa threesome checked in late Saturday for the Women's Classic but Norma Werthe warmed things up inside with an 857 that took and held the lead in the record breaking tournament through the first weekend of action."
Date:
February 20, 1960
Creator:
King, Cliff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0341.0199]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Mrs. O. H. Kerr, 5529 N Barnes, has been named coordinator of the Great Books Program of the Community Workshop of the Oklahoma City Library."
Date:
February 20, 1962
Creator:
Matheson, Mandell
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0292B.0067]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A hay fork from Bulgaria was the "visual aid" John Hlavacek, a news correspondent, brought to the Thursday meeting of Town Hall."
Date:
February 20, 1969
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0250.0347]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "PLEASED WITH RESULTS of the membership drive for the Oklahoma City Symphony Society are Mrs. Guy Fraser Harrison, Mrs. Jack High and Mrs. John W. Nichols, who attended a report coffee in the home of Mrs. Edward Hahn Cook."
Date:
February 20, 1961
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0235.0123]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "BABY CARE is demonstrated by Sister Gerard in a class for expectant parents sponsored by the Red Cross at St. Anthony Hospital each Monday night."
Date:
February 20, 1967
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0225.0211]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Pix no. 4--Robert Goombi placing headdress on Edward Merry, Gallup, secretary of the Indian Ceremonial Association there."
Date:
February 20, 1963
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History