Microstructure evolution of tial under tensile impact loadings

Xiang Zan*, Li Ouyang, Yu Wang, Yuehui He, Yong Liu, Weidong Song

*Corresponding author for this work

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

Abstract

The microstructure evolution of TiAl intermetallics with different microstructures loadedunder different strain rates and temperatures was investigated. The results showed that thedeformation twinning dominated the deformation process under high strain rate, while dislocationslip was another dominating deformation mode under quasi-static loadings. The proportion oftwinned grain increased with the increased strain rate. In Duplex TiAl, the plastic deformation wasmainly found in equaxied grains and seldom found in lamellar grains.

Original languageEnglish
Title of host publicationHigh Performance Structure Materials
EditorsYafang Han, Junpin Lin, Chengbo Xiao, Xiaoqin Zeng
PublisherTrans Tech Publications Ltd.
Pages14-18
Number of pages5
ISBN (Print)9783037856086
DOIs
Publication statusPublished - 2013
EventChinese Materials Congress 2012, CMC 2012 - Taiyuan, China
Duration: 13 Jul 201218 Jul 2012

Publication series

NameMaterials Science Forum
Volume747-748
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

ConferenceChinese Materials Congress 2012, CMC 2012
Country/TerritoryChina
CityTaiyuan
Period13/07/1218/07/12

Keywords

  • High strain rate
  • Microstructure evolution
  • TiAl intermetallics

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