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Avrami exponents for transformations producing anisotropic particles

delete1996-07-01
delete40
PRE
AI
M
Michael C. Weinberg *
D
Dunbar P. Birnie
DOI:10.1016/0022-3093(96)00389-4delete
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摘要

摘要

En 中文
The behavior of Avrami exponents (AE) for systems which produce anisotropic particles (for which shielding effects and phantoms occur) is examined. Probabilistic arguments used in previous studies an applied to derive expressions for the AE as a function of time or the extent of transformation. Numerical calculations for the one dimensional (1D) cases of site saturation and continuous nucleation show that blocking effects produce a minimum in plots of AE versus extent of transformation. The influence of growth rate anisotropy upon the magnitude of the reduction in the AE is also examined and certain features of the behavior of the AE for 2D and 3D systems are discussed.
Keyword:
KINETICS
NUCLEATION
SURFACE
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期刊

Journal of Non-Crystalline Solids 封面图
Journal of Non-Crystalline Solids
IF:
3.5
论文数:
1.9W
被引数:
3.3W

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