Tribological behaviors in titanium sheet and tube forming at elevated temperatures: evaluation and modeling

J. Ma, H. Li, D. Wang, Mingwang Fu, Z. J. Tao

Research output: Journal article publicationJournal articleAcademic researchpeer-review

16 Citations (Scopus)


Warm forming has been an efficient approach to exploiting the forming potential of titanium alloy sheet and tube materials. However, the tribological condition between Ti-alloy sheet/tube and tools at elevated temperatures is a non-trivial issue and has yet not been fully explored and articulated. Taking CP-3 tube and Ti-6Al-4V sheet as case study materials, the tribological behaviors between Ti-alloy sheet/tube and tools at elevated temperature are revealed and modeled. The main results show that (1) by using the high-temperature twist-compression test combined with the design of experiments, the suitable tool materials, surface modification approaches, and lubricants are determined for warm forming of Ti-alloy sheet/tube, and the significant influential factors and their affecting rules/mechanisms on the coefficient of friction are identified; (2) a pressure- and temperature-related dynamic friction model is developed and implemented in the 3D-FE simulation of warm forming via ABAQUS/VFRIC; taking warm rotary draw bending of CP-3 tube as an application, the proposed friction model is experimentally validated, and the comparisons between the experimental results and the simulated ones indicate that the proposed model is much better than the Coulomb friction model in prediction of forming defects, such as wall thinning/thickening and wrinkling instability.
Original languageEnglish
Pages (from-to)657-674
Number of pages18
JournalInternational Journal of Advanced Manufacturing Technology
Issue number1-4
Publication statusPublished - 1 Jul 2018


  • Coefficient of friction
  • Elevated temperatures
  • Friction model
  • Titanium alloy sheet/tube
  • Tribological behaviors

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Software
  • Mechanical Engineering
  • Computer Science Applications
  • Industrial and Manufacturing Engineering


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