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

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 journal › Article › peer-review

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 language	English
Pages (from-to)	319-339
Number of pages	21
Journal	European Journal of Solid State and Inorganic Chemistry
Volume	35
Issue number	4-5
Publication status	Published - 1998
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Inorganic Chemistry

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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.",

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year = "1998",

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T1 - Estimation of residual stresses in SiC/Ti 15-3 composites and their relaxation during a fatigue test. Part II

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AU - Bobet, J. L.

AU - Masuda, C.

AU - Kagawa, Y.

PY - 1998

Y1 - 1998

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AB - 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.

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