Incipient deformation twinning in dynamically sheared bcc tantalum

Mechanical twinning has been introduced into a body-centered cubic metal, tantalum, through shear-dominant dynamic loading at a high shear strain rate (up to 3×104/s) at 77K. Direct measurement of shear stress combined with transmission electron microscopy (TEM) confirmed the occurrence of deformati...

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Veröffentlicht in:	Acta materialia 2014-05, Vol.69, p.114-125
Hauptverfasser:	Chen, C.Q., Florando, J.N., Kumar, M., Ramesh, K.T., Hemker, K.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Arrays bcc Tantalum Deformation Dynamic shear Exact sciences and technology Incipient deformation twinning Loads (forces) Metals. Metallurgy Nanostructure Shear stress Tantalum Transmission electron microscopy Twinning Twinning mechanism
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