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On the Controversy About the Presence of Grain Boundary Sliding in Mg AZ31
Boehlert, Carl and Chen, Zhe and Gutiérrez Urrutia, Iván and Llorca Martinez, Francisco Javier and Pérez Prado, María Teresa
On the Controversy About the Presence of Grain Boundary Sliding in Mg AZ31.
"Materials Science Forum", v. 735
||On the Controversy About the Presence of Grain Boundary Sliding in Mg AZ31
Gutiérrez Urrutia, Iván
Llorca Martinez, Francisco Javier
Pérez Prado, María Teresa
|Título de Revista/Publicación:
||Materials Science Forum
||E.T.S.I. Caminos, Canales y Puertos (UPM)
||Ciencia de los Materiales
|Creative Commons Licenses:
||Recognition - No derivative works - Non commercial
Highly-textured, rolled AZ31 sheet material shows a
significant drop in the plastic anisotropy (r-value; r=εw/εt) in tension between 25°C and 200°C. This behavior
was initially explained as a result of the increased activity of
non-basal slip with increased temperature. Other
authors suggested, however, that the mechanism resp
onsible for this phenomenon was the activation
of grain boundary sliding (GBS). Here, in-situ ten
sile tests have been carried out in an SEM at
various temperatures in order to obtain further evi
dence of the role of GBS during moderate to high
temperature deformation of Mg alloys, which remains
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