Article Dans Une Revue Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms Année : 2013

Advanced SiC fiber strain behavior during ion beam irradiation

Résumé

The in situ strain behavior upon ion beam irradiation of a Tyranno SA3 SiC fiber was investigated in real time. For this purpose, a tensile test device suitable for micrometrical samples was developed to allow studies in various irradiation facilities. A 7.44 μm diameter SiC fiber was submitted to both low mechanical loading at 300 MPa and 92-MeV Xe ion beam irradiation at room temperature. The fiber exhibited a gradual increase of its longitudinal strain reaching a maximum value of 0.50% for a total fluence of 5 × 1014 ions cm−2. Raman spectroscopy analyses performed on fibers submitted to the same irradiation conditions have shown significant local structure modification but no evidence of amorphization.

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hal-02888517 , version 1 (22-10-2024)

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Aurélien Jankowiak, Clara Grygiel, Isabelle Monnet, Yves Serruys, Christian Colin, et al.. Advanced SiC fiber strain behavior during ion beam irradiation. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2013, 314, pp.144-148. ⟨10.1016/j.nimb.2013.04.031⟩. ⟨hal-02888517⟩
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