期刊
PHILOSOPHICAL MAGAZINE
卷 83, 期 4, 页码 477-483出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/0141861021000055655
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The self-diffusion coefficient of At in the B2-type intermetallic compound Fe-48 at.% Al has been determined using the intrinsic diffusion coefficients of Fe and Al and the self-diffusion coefficient of Fe with the help of the Darken-Manning relation. The self-diffusion coefficient of Al in Fe-48 at.% Al is estimated to be a factor of about 0.6 smaller than that of Fe, and the activation energy for the self-diffusion of Al is obtained to be 280 kJ mol(-1) which is a little larger than the value of 262 kJ mol(-1) for the self-diffusion of Fe, indicating that the diffusion mechanisms for both components are nearly equal.
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