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Title: Grain-structure development in heavily cold-rolled alpha-titanium
Authors: Dyakonov, G. S.
Mironov, S.
Zherebtsov, S. V.
Malysheva, S. P.
Salishchev, G. A.
Keywords: technique
metal science
nanostructured materials
titanium alloys
bulk deformation
grain refinement
Issue Date: 2014
Citation: Grain-structure development in heavily cold-rolled alpha-titanium / G. S. Dyakonov [et al.] // Materials science and engineering A . - 2014. - Vol.607.-P. 145-154.
Abstract: High-resolution electron back-scatter diffraction (EBSD) analysis was employed to establish mircostructure evolution in heavily cold-rolled alpha-titanium. After thickness reductions of 75% to 96%, significant microstructure and texture changes were documented. The surface area of high-angle grain boundaries was almost tripled, thus giving rise to an ultra-fine microstructure with a mean grain size of 0.6 μm. Moreover, orientation spread around typical ‘split-basal’ rolling texture substantially increased. These effects were suggested to be related to the enhancement of pyramidal 〈c+a〉 slip. Grain-structure development in heavily cold-rolled alpha-titanium (PDF Download Available)
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