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Misorientations induced by deformation twinning in titanium

Abstract : The misorientations induced by cold-rolling in commercially pure titanium by twinning and multiple twinning were investigated by electron backscatter diffraction. Three main types of twins occur: compressive twins (64.6° 1 00) which are predominant, followed by tensile twins of type 1 (84.8° [11 0]) and a few of type 2 (35.1° 1 00). The main multiple twinning configurations are (i) several variants of a given type of twin inside a given grain and (ii) second-generation tensile twins inside primary compressive twins. All possible misorientations resulting from the combination of two out of the three main twinning systems have been calculated and compared with the experimentally observed twin configurations. This facilitated interpretation of the peak found at 41° 5 3 in the misorientation distribution as the result of double twinning (tensile twins inside primary compressive twins).
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Submitted on : Monday, August 16, 2010 - 10:29:47 AM
Last modification on : Thursday, September 24, 2020 - 5:22:54 PM

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Nathalie Bozzolo, Lisa Chan, Anthony D. Rollett. Misorientations induced by deformation twinning in titanium. Journal of Applied Crystallography, International Union of Crystallography, 2010, 43 (3), pp.Pages 596-602. ⟨10.1107/S0021889810008228⟩. ⟨hal-00509737⟩

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