Numerical study of the surface hardening effect on the deformation-induced roughening in titanium polycrystals

Numerical study of the surface hardening effect on the deformation-induced roughening in titanium polycrystals

Dades bibliogràfiques
Parent link:	Computational Materials Science Vol. 116.— 2016.— [P. 96-102]
Autor corporatiu:	Национальный исследовательский Томский политехнический университет Институт физики высоких технологий Кафедра физики высоких технологий в машиностроении
Altres autors:	Romanova V. A. Varvara Aleksandrovna, Balokhonov R. R. Ruslan Revovich, Zinovjeva O. S. Olga Sergeevna, Shakhidzhanov V. S. Valery Surenovich
Sumari:	Title screen A three-dimensional numerical analysis is performed of the deformation-induced roughening in polycrystalline specimens with and without surface-hardened layers. Three-dimensional microstructurebased constitutive models are developed, using crystal plasticity, and employed in finite element calculations of uniaxial tension. Grain structure is shown to be responsible for free surface roughening under uniaxial loading. Microscale stresses acting normally to the free surface in the bulk of the material are associated with normal displacements. The surface-hardened layer moves the grain structure away from the free surface, smoothing out the microscale folds formed due to displacements of individual grains, while the mesoscale surface undulations remain clearly visible. Режим доступа: по договору с организацией-держателем ресурса
Publicat:	2016
Matèries:	электронный ресурс труды учёных ТПУ титановые сплавы поверхностное упрочнение шероховатости микроструктуры
Accés en línia:	http://dx.doi.org/10.1016/j.commatsci.2015.09.045
Format:	Electrònic Capítol de llibre
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=646819

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