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Tracer Diffusion in β‐Titanium
Author(s) -
Askill J.,
Gibbs G. B.
Publication year - 1965
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19650110207
Subject(s) - tracer , diffusion , arrhenius equation , activation energy , titanium , impurity , melting point , thermodynamics , arrhenius plot , materials science , chemical physics , chemistry , nuclear physics , metallurgy , physics , composite material , organic chemistry
Tracer diffusion measurements in β‐titanium are reviewed and new data presented for solutes Sc 46 , Sn 113 , and P 32 . All Arrhenius plots are curved and give unusually low activation energies and frequency factors. Various explanations are outlined and it is suggested that monovacancy diffusion dominates but that divacancy contributions may become appreciable near the melting point. Impurity activation energies and diffusion rates are closely related to atomic size and compressibility.