Helium release from various metals
- 1 January 1975
- journal article
- Published by American Vacuum Society in Journal of Vacuum Science and Technology
- Vol. 12 (1) , 516-519
- https://doi.org/10.1116/1.568578
Abstract
The metals aluminum, iron, nickel, and types 304 and 316 stainless steel have been doped with helium by allowing dissolved tritium to undergo radioactive decay. Helium concentrations below 1 atomic ppm were produced. Using high−sensitivity, mass−spectrometer techniques, helium release has been observed during isochronal and isothermal anneals. At least two release mechanisms are obvious, their respective gas releases occurring at widely separated temperatures.Keywords
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