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Laser-accelerated particle beams for stress testing of materials

Abstract : Laser-driven particle acceleration, obtained by irradiation of a solid target using an ultra-intense (I > 10$^{18}$ W/cm$^2$) short-pulse (duration <1 ps) laser, is a growing field of interest, in particular for its manifold potential applications in different domains. Here, we provide experimental evidence that laser-generated particles, in particular protons, can be used for stress testing materials and are particularly suited for identifying materials to be used in harsh conditions. We show that these laser-generated protons can produce, in a very short time scale, a strong mechanical and thermal damage, that, given the short irradiation time, does not allow for recovery of the material. We confirm this by analyzing changes in the mechanical, optical, electrical, and morphological properties of five materials of interest to be used in harsh conditions.
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Contributor : Bruno Savelli Connect in order to contact the contributor
Submitted on : Monday, September 24, 2018 - 2:41:44 PM
Last modification on : Friday, December 3, 2021 - 11:42:41 AM

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M. Barberio, M. Scisciò, S. Vallières, F. Cardelli, S. Chen, et al.. Laser-accelerated particle beams for stress testing of materials. Nature Communications, Nature Publishing Group, 2018, 9, pp.372. ⟨10.1038/s41467-017-02675-x⟩. ⟨cea-01880063⟩



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