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SURFACE TENSION OF LIQUID BERYLLIUM (in Russian)

Journal Article · · Izvest. Akad. Nauk S.S.S.R., Otdel. Tekh. Nauk, Met. i Toplivo
OSTI ID:4138520
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In order to change the large grain size and the acicular structure of Be by the addition of surface-active materials, the surface tension of the liquid metal was determined by means of the sessile drop methcd. The test was performed at 1500 deg C in a vacuum furnace at 5 x 10/sup -5/ mm Hg. Sublimed 99.98% pure metal was used. At that temperature the surface tension was found to be 1100 plus or minus 35 ergs/cm/sup 2/. The density of the liquid metal was calculated at 1.42 plus or minus 0.04 g/cm/sup 3/. The oxygen content after the test could not be measured with accuracy. If oxygen is a surface-active material, the above value should be reduced although the error should not exceed 100 to 150 ergs/cm/ sup 2/. (TTT)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-14-024608
OSTI ID:
4138520
Journal Information:
Izvest. Akad. Nauk S.S.S.R., Otdel. Tekh. Nauk, Met. i Toplivo, Journal Name: Izvest. Akad. Nauk S.S.S.R., Otdel. Tekh. Nauk, Met. i Toplivo Vol. Vol: No. 3
Country of Publication:
Country unknown/Code not available
Language:
Russian

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Related Subjects

BERYLLIUM
CONFIGURATION
DENSITY
ERRORS
FURNACES
GRAIN SIZE
HIGH TEMPERATURE
LATTICES
LIQUID METALS
MEASURED VALUES
METALS, CERAMICS, AND OTHER MATERIALS
NUMERICALS
OXYGEN
QUANTITY RATIO
SURFACE TENSION
VACUUM