Estimation of residual stresses in SiC/Ti 15-3 composites and their relaxation during a fatigue test. Part II: Results of calculation

J. L. Bobet, C. Masuda, Y. Kagawa

Research output: Contribution to journalArticle

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Abstract

Thermal Residual Stresses (TRS) induced by cooling down from elaboration process in SiC/ Ti-15-3 composite are evaluated using several models (present in part I). Influence of thermomechanical properties is investigated. It is shown that a small uncertainly on coefficient of thermal expansion has a huge influence on TRS. It is also highlight that the analytical model proposed is a suitable model to obtain quickly information about TRS (rather than the finite element analysis which is a little more accurate but longer too). Then evolution (relaxation) of the TRS during a fatigue test are investigated. Results show that the TRS decrease rapidly during the first cycles and then become almost constant at about one third of their initial values.

Original languageEnglish
Pages (from-to)319-339
Number of pages21
JournalEuropean Journal of Solid State and Inorganic Chemistry
Volume35
Issue number4-5
Publication statusPublished - 1998
Externally publishedYes

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fatigue tests
thermal stresses
Thermal stress
residual stress
Residual stresses
Fatigue of materials
composite materials
Composite materials
Thermal expansion
Analytical models
thermal expansion
Cooling
cooling
Finite element method
cycles
coefficients

ASJC Scopus subject areas

  • Chemistry(all)
  • Inorganic Chemistry

Cite this

Estimation of residual stresses in SiC/Ti 15-3 composites and their relaxation during a fatigue test. Part II : Results of calculation. / Bobet, J. L.; Masuda, C.; Kagawa, Y.

In: European Journal of Solid State and Inorganic Chemistry, Vol. 35, No. 4-5, 1998, p. 319-339.

Research output: Contribution to journalArticle

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