A method for evaluating the mechanical performance of thin-walled titanium tubes

P.M. MacKenzie, C.A. Walker, J.K. McKelvie

Research output: Contribution to journalArticle

20 Citations (Scopus)
34 Downloads (Pure)

Abstract

A method which was developed to compare the stress-strain properties of three types of thin-walled, commercially pure titanium tubes is presented. The tubes were of types intended for use in large heat-exchanger applications and were to be subjected to significant plastic deformation during subsequent assembly processes. It had been anticipated that small differences in chemical composition and tube-drawing treatment would produce quite different characteristics. It is known that the properties of titanium can exhibit considerable degrees of anisotropy, especially for wrought products; although axial properties of the materials could be evaluated using standard test equipment and procedures, a novel testing system had to be designed to allow the circumferential properties to be assessed. Significant differences between tube types were observed and anisotropic material behaviour was apparent.
Original languageEnglish
Pages (from-to)400-406
Number of pages6
JournalThin-Walled Structures
Volume45
Issue number4
DOIs
Publication statusPublished - 2007

Keywords

  • anisotropic
  • commercially pure titanium
  • ductility
  • mechanical testing
  • hydraulic
  • mechanical engineering

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