Abstract
Abstract
With incoherent quasielastic neutron scattering self-diffusion coefficients
in pure iron, and iron-carbon alloys containing 8.7 at% and 16.9 at% carbon have been measured. At the melting point
in liquid iron is
m2 s−1. For the close-to-eutectic Fe83.1C16.9 composition
m2 s−1 at T
K. Contradicting conclusions drawn from literature values of tracer diffusion experiments the addition of carbon has only a minor effect on the iron mobility: at a given temperature the self-diffusion coefficient in Fe83.1C16.9 is only 10% larger than in liquid iron, although mixing has a drastic effect on liquidus temperature and phase behavior.
Subject
Condensed Matter Physics,General Materials Science
Cited by
16 articles.
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