Characterization and modeling of twinning in a titanium alloy Ti-6Al-4V

Frederik Coghe, Wim Tirry, Luc Rabet, Paul Van Houtte

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The twinning behavior of a commercial Ti-6Al-4V alloy is studied using a combined experimental and numerical approach. An extensive microstructural investigation was performed to identify and quantify the active twin systems. The mechanical behavior as a function of initial texture and strain rate was then modeled using a visco-plastic self-consistent crystal plasticity code (VPSC7). Earlier obtained quasi-static and dynamic data served to fit the parameters of the model, giving good agreement. However, even if the model gave qualitatively good predictions of the stress-strain curves and the texture evolution for the different loadings, the calculated twin fractions differed considerably of the experimental results.

Original languageEnglish
Title of host publicationTextures of Materials
EditorsAsim Tewari, Satyam Suwas, Dinesh Srivastava, Indradev Samajdar, Arunansu Haldar
PublisherTrans Tech Publications Ltd
Pages237-240
Number of pages4
ISBN (Print)9783037852941
DOIs
Publication statusPublished - 2012
Event16th International Conference on Textures of Materials, ICOTOM 16 - Mumbai, India
Duration: 12 Dec 201117 Dec 2011

Publication series

NameMaterials Science Forum
Volume702-703
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference16th International Conference on Textures of Materials, ICOTOM 16
Country/TerritoryIndia
CityMumbai
Period12/12/1117/12/11

Keywords

  • Plasticity
  • Ti-6Al-4V
  • Titanium alloy
  • Twinning

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