Premium
Permeation Eccentricities of He, Ne, and D‐T from Soda‐Lime Glass Microbubbles
Author(s) -
SOUERS P. C.,
MOEN I.,
LINDAHL R. O.,
TSUGAWA R. T.
Publication year - 1978
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1978.tb09226.x
Subject(s) - bubble , isothermal process , deuterium , outgassing , permeation , materials science , disproportionation , chemistry , analytical chemistry (journal) , thermodynamics , mechanics , nuclear physics , chromatography , membrane , physics , organic chemistry , catalysis , biochemistry
Permeation of 3 He, Ne, and D‐T (deuterium‐tritium) was studied through batches of several million glass microbubbles. Although the calculated permeabilities agree roughly with literature data, the bubbles show several vagaries. Isothermal outgassing is not exponential but shows “tails” that become more pronounced at lower temperatures. An isotopic disproportionation effect occurs in the bubble loading at 698 K. Gas that has permeated the glass walls is more deuterium‐rich and the effect is increased by large amounts of 3 He in the feed gas. Finally, a slow and unexplained leakage occurs when loaded bubbles are stored for many months at 243 K. Data are also presented on bubble size distributions and mean wall thicknesses.