Out-of-phase thermomechanical fatigue of titanium composite matrices

Stephan M. Russ, Carl J. Boehlert, Daniel Eylon

Research output: Research - peer-reviewArticle

  • 8 Citations

Abstract

A study was undertaken to evaluate the out-of-phase thermomechanical fatigue behavior of three titanium-based alloys: Ti-15Mo-2.6Nb-3Al-0.2Si, Ti-14Al-21Nb, and Ti-13Al-31Nb. The alloys represent compositions from three classes of Ti alloys which have been considered as matrices for titanium-matrix composites. Several tests of each alloy were performed at various maximum stresses, all with a stress ratio of 0.05, a 3 min cycle period, and a temperature cycle of 150 °C to 650 °C. The fatigue lives are compared evaluating S-N behavior and fracture characteristics. In general, the behavior of the Ti-15Mo-2.6Nb-0.2Si alloy was governed by higher toughness compared to the other two alloys, and the Ti-13Al-31Nb alloy demonstrated improved performance over the Ti-14Al-21Nb alloy. A correlation with existing composite data was noted. The correlation is based on calculated micromechanical stresses in the matrix of the composites and applied stresses on the monolithic materials.

LanguageEnglish (US)
Pages483-489
Number of pages7
JournalMaterials Science and Engineering A
Volume192-193
Issue numberPART 1
DOIs
StatePublished - Feb 15 1995
Externally publishedYes

Profile

titanium
composite materials
matrices
Titanium
Fatigue of materials
Composite materials
cycles
Toughness
Chemical analysis
Temperature
titanium molybdenum alloy
stress ratio
fatigue life
toughness
temperature

Keywords

  • Composites
  • Fatigue
  • Thermomechanics
  • Titanium

ASJC Scopus subject areas

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

Cite this

Out-of-phase thermomechanical fatigue of titanium composite matrices. / Russ, Stephan M.; Boehlert, Carl J.; Eylon, Daniel.

In: Materials Science and Engineering A, Vol. 192-193, No. PART 1, 15.02.1995, p. 483-489.

Research output: Research - peer-reviewArticle

Russ, Stephan M. ; Boehlert, Carl J. ; Eylon, Daniel. / Out-of-phase thermomechanical fatigue of titanium composite matrices. In: Materials Science and Engineering A. 1995 ; Vol. 192-193, No. PART 1. pp. 483-489
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