Twinning in Ti-48%Ni-2%Fe Single Crystals under Rolling

Margarita Isaenkova; Yuriy Perlovich; Vladimir Fesenko; Tatyana Dementyeva

doi:10.4028/www.scientific.net/MSF.738-739.118

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HomeMaterials Science ForumMaterials Science Forum Vols. 738-739Twinning in Ti-48%Ni-2%Fe Single Crystals under...

Twinning in Ti-48%Ni-2%Fe Single Crystals under Rolling

Abstract:

Under rolling of Ti-48%Ni-2%Fe single crystals in the phase B2 at 350oC the twinning is the main mechanism of plastic deformation by many initial orientations of these single crystals, as texture data show clearly. Splitting of initial maxima in the stereographic projection of single crystal into several new ones is an evident manifestation of twinning. But this mode of reorientation is observed only at initial stages of rolling, when deformation degrees do not exceed ~10-15%. A geometrical analysis of pole figures for rolled single crystals showed, that at the used rolling temperature the preferable twinning planes there were {114} and {118}.

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Periodical:

Materials Science Forum (Volumes 738-739)

Pages:

118-122

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.738-739.118

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Online since:

January 2013

Authors:

Margarita Isaenkova, Yuriy Perlovich, Vladimir Fesenko, Tatyana Dementyeva

Keywords:

Rolling , Twinning, Initial Orientation, Pole Figure, Texture, Ti-Ni Single Crystal

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