Accession Number : AD0743901

Title :   Solidification of Molten Metal Spheres in Vacuum.

Descriptive Note : Research memo.,

Corporate Author : GRUMMAN AEROSPACE CORP BETHPAGE N Y RESEARCH DEPT

Personal Author(s) : Reichman,Joseph

Report Date : JUN 1972

Pagination or Media Count : 15

Abstract : Proposed drop tower experiments to study the solidification of metal drops permit only about three seconds of free fall. Selection of materials is dictated by the time to solidity, which is primarily determined by the two modes of heat removal in a vacuum: radiation and evaporation. Equations are derived to determine the time to solidify in relatively short time periods: Ca, Mg, Sr, Cr, W, and Ta. (Author)

Descriptors :   (*LIQUID METALS, FREEZING), DROPS, COOLING, THERMAL RADIATION, VACUUM, CALCIUM, MAGNESIUM, STRONTIUM, CHROMIUM, TUNGSTEN, TANTALUM

Subject Categories : Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE