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THE CHOICE OF THE PROPER REFRACTORY FOR THE CASTING OF HIGHMELTING ELECTROPOSITIVE METALS
As titanium, zirconium, and other of the high melting electropositive metals become more important, the problem of using suitable refractory materials for their casting becomes more important. This paper discusses the method of choosing and testing possible container materials. To make the discussion more specific, titanium is used as an example. As titanium melt at 2000 {+-} 10 K, it is immediately clear that one is restricted to refractory materials melting considerably above 2000 K. This greatly limits the possible materials that might be considered. The possibility of using any pure high melting element can be quickly eliminated as titanium reacts quite vigorously with non-metals such as carbon and due to its high boiling point and therefore high internal pressure, one can predict that it dissolves even the most refractory metals. Examination of phase diagrams confirms that even metals such as tantalum, tungsten, and rhenium would not be able to resist attack by titanium. One is thus limited to high melting compounds such as the oxides, sulfides, nitrides, carbides, silicides, and borides. The first consideration is that, if possible, one would use a compound which is thermodynamically stable in the presence of titanium metal at 2000 K. Titanium should not …
Date:
June 20, 1950
Creator:
Brewer, Leo
Object Type:
Report
System:
The UNT Digital Library
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 174, Ed. 1 Wednesday, September 20, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 20, 1950
Creator:
Dyer, Ray J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 17, Ed. 1 Monday, March 20, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 20, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Shamrock Texan (Shamrock, Tex.), Vol. 47, No. 12, Ed. 1 Thursday, July 20, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
July 20, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 61 YEARS, No. 44, Ed. 1 Friday, January 20, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
January 20, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 62 YEARS, No. 31, Ed. 1 Friday, October 20, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
October 20, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Shamrock Texan (Shamrock, Tex.), Vol. 46, No. 51, Ed. 1 Thursday, April 20, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
April 20, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 22, No. 16, Ed. 1 Friday, October 20, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
October 20, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 21, No. 30, Ed. 1 Friday, January 20, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
January 20, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 52, Ed. 1 Friday, October 20, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 20, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 13, Ed. 1 Friday, January 20, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
January 20, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Comanche Chief (Comanche, Tex.), Vol. 78, No. 14, Ed. 1 Friday, October 20, 1950
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
October 20, 1950
Creator:
Wilkerson, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
Apparent viscosity of simulated underground metal waste slurries
From introduction: "This report presents the apparent viscosities of supernate-sludge slurries prepared synthetically to simulate the conditions known to exist in the waste storage tanks, but with fission products and plutonium absent."
Date:
June 20, 1950
Creator:
Allen, A. W.
Object Type:
Report
System:
The UNT Digital Library
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 62, No. 20, Ed. 1 Friday, October 20, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
October 20, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 61, No. 33, Ed. 1 Friday, January 20, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
January 20, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Determination of Uranyl Nitrate in Pretreated Hexone by Infrared Absorption Measurements
The following report examines methods to determine uranium nitrate hexahydrate on pretreated hexone in the range of 0 to 40 g./l. by infrared absorption measurements.
Date:
April 20, 1950
Creator:
Moore, R. H.
Object Type:
Report
System:
The UNT Digital Library
Ferrous Sulfamate Stability in the RA System
Objective: "The observations summarized in the present report were made to determine the stability of ferrous and sulfamate ions and sulfamic acid in RA Column scrub solution (RAS) and in aqueous solution comparable to the RA Column feed tee composition (RAFS). Knowledge of the stability of the reducing agent (ferrous iron) is necessary to properly plan the method of preparation and introduction of this component into the RA system and to assure dependable and reproducible performance."
Date:
April 20, 1950
Creator:
Clagett, Fred
Object Type:
Report
System:
The UNT Digital Library
The Caldwell News and The Burleson County Ledger (Caldwell, Tex.), Vol. 64, No. 12, Ed. 1 Friday, October 20, 1950
Weekly newspaper from Caldwell, Texas that includes local, state and national news along with extensive advertising.
Date:
October 20, 1950
Creator:
Fall, George C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Caldwell News and The Burleson County Ledger (Caldwell, Tex.), Vol. 63, No. 25, Ed. 1 Friday, January 20, 1950
Weekly newspaper from Caldwell, Texas that includes local, state and national news along with extensive advertising.
Date:
January 20, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
[Children playing at Kiddie Land]
Children riding on different amusement rides at Kiddie Land. There are a few adults supervising the children.
Date:
June 20, 1950
Creator:
Douglass, Neal
Object Type:
Photograph
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 17, Ed. 1 Friday, January 20, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
January 20, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 43, Ed. 1 Monday, February 20, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
February 20, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 67, Ed. 1 Monday, March 20, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
March 20, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Bastrop Advertiser (Bastrop, Tex.), Vol. 98, No. 7, Ed. 1 Thursday, April 20, 1950
Weekly newspaper from Bastrop, Texas that includes local, state and national news along with extensive advertising.
Date:
April 20, 1950
Creator:
Standifer, Amy S.
Object Type:
Newspaper
System:
The Portal to Texas History