Abstract
Initially, for peritectic reaction (basis of melt processing), heterogeneous mechanism has been suggested, that is, a formation of 123 phase in direct contact of melt and properitectic (“green”) 211 phase followed by the growth of 123 crystallites in account of the component diffusion through product layer.
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Notes
- 1.
If the particles are sufficiently small, this radius of curvature effect could be a significant, even a major, defining driving force of mass transport, leading to 123 phase solidification [766].
- 2.
According to the Bean model [110], for cylindrical body: ∂B z /∂r = const, yielding a linear variation of B z with the r-coordinate. In the similar Kim model [868, 869], it is assumed that B z ∂B z /∂r = const, yielding a parabolic variation of the function B z (r).
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© 2012 Springer-Verlag Berlin Heidelberg
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Parinov, I.A. (2012). Modeling of YBCO Oxide Superconductors. In: Microstructure and Properties of High-Temperature Superconductors. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34441-1_8
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DOI: https://doi.org/10.1007/978-3-642-34441-1_8
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Online ISBN: 978-3-642-34441-1
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