Abstract
From the measurement of the widths of internal oxidation zones in dilute Pb-Sn alloys, the product of the solubility N (s)o and diffusivity Do of oxygen in lead was obtained from 225 to 320° C. The enhancement factor for Sn was calculated from the experimental values of N (s)o Do and compared to the results obtained by x-ray fluorescence measurements. The results indicated that the “aging” of Pb-Sn alloys observed at high temperatures is due to internal oxidation which causes the migration of tin toward the specimen surface.
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Perkins, R.A. Internal oxidation of lead-tin alloys. Oxid Met 9, 127–136 (1975). https://doi.org/10.1007/BF00613227
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DOI: https://doi.org/10.1007/BF00613227