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Microstructure and tensile properties of 1-D forged (TiB+TiC)/Ti composite

  • Changjiang Zhang*
  • , Fantao Kong
  • , Shulong Xiao
  • , Lijuan Xu
  • , Yuyong Chen
  • , Ningjia Deng
  • , We Ge
  • , Guojun Xu
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • LTD

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

Abstract

In this work, 2.5vol. % (TiB+TiC)/Ti composite was prepared by in situ casting route then 1-D forging. The microstructure and tensile properties were presented and discussed. The results indicate that the as cast microstructure can be significantly modified by 1-D forging. After forging, TiB and TiC segregated at the prior β grain boundaries within the as-cast composite tend to fracture and align perpendicular to forging direction. Reduction in aspect ratio of reinforcements and α lath is also observed. 1-D forging can enhance the strength and elongation of as cast composite significantly. However, the increment in strength is quite limited as strain temperature increases to 700 °C. Additionally, room temperature and high temperature fracture mechanisms are also discussed.

Original languageEnglish
Title of host publicationHigh Performance Structure Materials
EditorsYafang Han, Junpin Lin, Chengbo Xiao, Xiaoqin Zeng
PublisherTrans Tech Publications Ltd
Pages926-931
Number of pages6
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

  • Forged
  • Microstructure
  • Tensile properties
  • Titanium matrix composites

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