Abstract
The diffusion rates of chromium, vanadium, and hafnium in α- and γ-Fe have been determined by radiotracer techniques. The results are (in sq cm sec−1): α-Fe γ-Fe ChromiumD = 8.52 exp (−59,900/RT)D = 10.80 exp(−69,700/RT) VanadiumD = 3.92 exp (−57,600/RT)D = 0.25 exp (−63,100/RT) HafniumD = 1.31 exp (−69,300/RT)D = 3600 exp (−97,300/RT) The differences in diffusion rates are discussed in terms of the compressibility of the diffusing atom. Diffusion of chromium in γ-Fe was also measured by a microprobe analysis technique. The result is:D = 4.08 exp (−68,500/RT) Comparison is made between diffusion analysis by tracer techniques and by electron probe microanalysis.
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Formerly with Department of Metallurgy, University of Manchester, Manchester, England
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Bowen, A.W., Leak, G.M. Solute diffusion in alpha- and gamma-iron. Metall Trans 1, 1695–1700 (1970). https://doi.org/10.1007/BF02642019
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DOI: https://doi.org/10.1007/BF02642019