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Observations of grain boundary protrusions in static recrystallization of high-purity bcc metals

Martorano, M.A. ; Sandim, H.R.Z. ; Fortes, M.A. ; Padilha, A.F.

Scripta materialia, 2007-05, Vol.56 (10), p.903-906 [Periódico revisado por pares]

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Título:
Observations of grain boundary protrusions in static recrystallization of high-purity bcc metals
Autor: Martorano, M.A. ; Sandim, H.R.Z. ; Fortes, M.A. ; Padilha, A.F.
Assuntos: Aluminium ; Aluminum ; BCC metals ; Boundaries ; Dislocations ; Grain boundaries ; Grain boundary migration ; Recrystallization ; Recrystallized microstructure ; Refractory metals ; Serrated boundaries ; Static recrystallization
É parte de: Scripta materialia, 2007-05, Vol.56 (10), p.903-906
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Protrusions at migrating high-angle grain boundaries were observed following partial recrystallization of high-purity body-centred cubic refractory metals. Their morphology is similar to that previously observed in aluminium and is in good agreement with the predictions of a kinetic model based on the sinusoidal variation of the local driving pressure along the boundary. The heterogeneous dislocation structure intersecting the boundary is considered to cause this sinusoidal variation and, therefore, the growth of protrusions in the high-purity metals.
Editor: Elsevier Ltd
Idioma: Inglês

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