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A new anisotropic criterion has been incorporated into a lattice model to predict rafting phenomena in nickel-base superalloys. The new criterion overcomes the limitations of earlier approaches, improves the prediction maps and is simple enough to be incorporated into a purely Monte Carlo algorithm which provides the evolution of a two-dimensional anisotropic lattice model associated with the superalloy. The results seem to reproduce the observed rafting behaviour even more accurately than a combined Monte Carlo-finite element approach, yet demand a much shorter computation time.

Additional information

Authors: VALLÉS J L, JRC Petten (NL);ARRELL D J, JRC Petten (NL)
Bibliographic Reference: Paper presented: CODATA '94, Chambery (FR), September 18-22, 1994
Availability: Available from (1) as Paper EN 38691 ORA
Record Number: 199411488 / Last updated on: 1994-12-06
Original language: en
Available languages: en
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