Multi-scale investigation of microstructure and texture evolution during equal channel angular pressing of silver

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

  • Satyam Suwas - , IISc: Indian Institute of Science, Technische Universität Dresden (Autor:in)
  • Werner Skrotzki - , Institut für Festkörper- und Materialphysik (Autor:in)
  • Nils Scheerbaum - , Technische Universität Dresden (Autor:in)
  • Thierry Grosdidier - , Université de Lorraine (Autor:in)
  • Jean Jacques Fundenberger - , Université de Lorraine (Autor:in)
  • Laszlo S. Tóth - , Université de Lorraine (Autor:in)
  • Heinz Günter Brokmeier - , Technische Universität Clausthal, Helmholtz-Zentrum Hereon (Autor:in)

Abstract

A multi-scale investigation was carried out on pure silver subjected to equal channel angular pressing up to 3 passes. Microstructure and texture were examined using scanning and transmission electron microscopy as well as diffraction of neutron and high-energy synchrotron radiation. The evolution of the deformation substructure in the material is in accordance with its low stacking fault energy followed by restoration mechanisms leading to overall microstructural refinement. The restoration mechanism sets in as early as after 3 passes. Twinning involved in the deformation process supports grain refinement through mechanisms of dynamic recrystallization involving strain-induced boundary migration contributing to a steady-state grain size. The global texture, as measured by neutron diffraction, forms through a twin-assisted deformation mechanism. The texture is found heterogeneous through thickness. Graphical abstract: (Figure presented.)

Details

OriginalspracheEnglisch
Seiten (von - bis)5698-5716
Seitenumfang19
FachzeitschriftJournal of materials science
Jahrgang59
Ausgabenummer14
PublikationsstatusVeröffentlicht - Apr. 2024
Peer-Review-StatusJa