Tensile fracture of tib whisker reinforced ti alloy matrix composites

Hiroki Kurita, Katsuyoshi Kondoh, Junko Umeda, Noriharu Yodoshi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

TiB whisker reinforced Ti alloy matrix (Ti–TiB) composites have attracted attention as the aerospace materials with their high specific mechanical properties for long time. However, strengthening mechanism of Ti–TiB composites has not been revealed because of the agglomeration and incomplete precipitation of TiB whiskers in the Ti alloy matrix yet. In this study, we addressed to fabricate fully-dense TiB whisker reinforced Ti-6Al-4V alloy matrix (Ti6Al4V–TiB) composites via powder metallurgical process, which have the microstructure to discuss their tensile properties with the theories for composite materials. The Young’s modulus and ultimate tensile strength of Ti6Al4V– 10 vol% TiB composite were 130 GPa and 1193 MPa, respectively. Note that the elongation of Ti6Al4V–10 vol% TiB composite was approximately 2.8% although the elongations of Ti–TiB composite have been reported are few (; less than 1%) due to the agglomeration of TiB whiskers in Ti matrix.

Original languageEnglish
Title of host publicationTHERMEC 2018
EditorsR. Shabadi, Mihail Ionescu, M. Jeandin, C. Richard, Tara Chandra
PublisherTrans Tech Publications Ltd
Pages1961-1965
Number of pages5
ISBN (Print)9783035712087
DOIs
Publication statusPublished - 2018 Jan 1
Event10th International Conference on Processing and Manufacturing of Advanced Materials, 2018 - Paris, France
Duration: 2018 Jul 92018 Jul 13

Publication series

NameMaterials Science Forum
Volume941 MSF
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference10th International Conference on Processing and Manufacturing of Advanced Materials, 2018
CountryFrance
CityParis
Period18/7/918/7/13

Keywords

  • Fracture behavior
  • Metal Matrix Composite(MMC)
  • Powder metallurgy

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Tensile fracture of tib whisker reinforced ti alloy matrix composites'. Together they form a unique fingerprint.

Cite this