Article : texte imprimé

Origin of stray grain formation in single-crystal superalloy weld pools from heat transfer and fluid flow modeling

T. D. Anderson, Auteur ; J.N. DuPont, Auteur ; T. DebRoy, Auteur |

Dans Acta materialia (Vol. 58 N° 4, Fevrier 2010)

Stray grain formation in laser and electron beam welds on single-crystal alloy CMSX-4 was investigated through heat transfer and fluid flow simulations. The results were combined with a single-crystal growth model and stray grain calculations to[...]

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