Characterization of uniaxial fatigue behavior of precipitate strengthened Cu-Ni-Si alloy (SICLANIC(TM))

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Published Dec 29, 2017
DOI https://doi.org/10.3221/IGF-ESIS.43.10

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B. Saadouki
Laboratory of Control and Mechanical Characterization of Materials and Structures, National Higher School of Electricity and Mechanics. Casablanca, Morocco.
M. Elghorba
Laboratory of Control and Mechanical Characterization of Materials and Structures, National Higher School of Electricity and Mechanics. Casablanca, Morocco.
PH. Pelca
Lebronze alloys – Bornel, 11, rue Ménillet - 60540 Bornel – France
T. Sapanathan
Sorbonne Universités, Université de Technologie de Compiègne, Laboratoire Roberval, CNRS UMR - 7337, Centre de Recherche Royallieu, CS 60319, 60203 Compiègne Cedex, France
M. Rachik
Sorbonne Universités, Université de Technologie de Compiègne, Laboratoire Roberval, CNRS UMR - 7337, Centre de Recherche Royallieu, CS 60319, 60203 Compiègne Cedex, France

Abstract

Fatigue tests were conducted on cylindrical bars specimens to understand the fatigue behavior of SICLANIC®. Although it displays good resistance in monotonic tension, this material weakens and shows a softening in repeated solicitation. This has been verified through a SEM observation, the Cu-Ni-Si alloy presents transgranular failure by cleavage. The MansonCoffin diagram exhibited the plastic deformation accommodation. The plastic deformation becomes periodic and decreases progressively as the cycle number increases. The approximations of Manson Coffin give fatigue parameters values which are in good agreement with the experience.

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    Issue
    Vol. 12 No. 43 (2018): January 2018
    Section
    Miscellanea

    How to Cite

    Saadouki, B., Elghorba, M., Pelca, P., Sapanathan, T., & Rachik, M. (2017). Characterization of uniaxial fatigue behavior of precipitate strengthened Cu-Ni-Si alloy (SICLANIC(TM)). Frattura Ed Integrità Strutturale, 12(43), Pages 133–145. https://doi.org/10.3221/IGF-ESIS.43.10

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