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Phase transformation behavior and mechanical properties of Ti-Mo-Sn alloys

  • Xiaoxue Chen*
  • , Shun Guo
  • , Xinqing Zhao
  • *Corresponding author for this work
  • Beihang University

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

Abstract

A series of Ti-Mo-Sn alloys with different Mo contents from 7% to 15% (wt. %) were prepared, and the effects of Mo content and thermo-mechanical treatment on their microstructural evolution and mechanical behavior were investigated. The experimental results indicated that the β to α" martensite transformation can be effectively suppressed with increasing Mo content. After cold rolling treatment, superior mechanical properties and low modulus were achieved in Ti-8Mo-4Sn alloy, with tensile strength of 1108MPa, yield strength of 1003MPa and low Young's modulus of 53GPa. The influence of severe cold deformation on the macrostructure and mechanical properties was discussed based on the characterization of X-Ray diffraction and mechanical tests. It was demonstrated that the cold rolling induced fine α" martensite and high density dislocations lead to the high strength of the Ti-Mo-Sn alloys. The fine α martensite as well as the β matrix with low stability guarantee low Young's modulus.

Original languageEnglish
Title of host publicationHigh Performance Structure Materials
EditorsYafang Han, Junpin Lin, Chengbo Xiao, Xiaoqin Zeng
PublisherTrans Tech Publications Ltd
Pages855-859
Number of pages5
ISBN (Print)9783037856086
DOIs
StatePublished - 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

  • Mechanical properties
  • Modulus
  • Near β titanium alloy
  • Phase transformation

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