Influence of Electronic Irradiation on Failure and Hardness Properties of Pure Silica Glasses - CEA - Commissariat à l’énergie atomique et aux énergies alternatives Access content directly
Conference Papers Year : 2014

Influence of Electronic Irradiation on Failure and Hardness Properties of Pure Silica Glasses

Abstract

This paper’s focus is the failure and hardness properties of pure amorphous silica (Corning 7980) after β-irradiation at different doses (0-2 GGy). Crack propagation takes place in the SCC regime (10−7-10−10 m.s−1) and Vickers indentation techniques probe the hardness properties of the samples. Irradiation is found to create point defects which mainly include E’ centers, Non-Bridging Oxygen Hole Centers and Peroxy Radicals. β-irradiation herein invokes minor changes in the structure. A small effect of β- irradiation on SCC and hardness variations cannot be eliminated, despite minute variations in the SCC and the hardness properties.
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Dates and versions

cea-01120966 , version 1 (27-02-2015)

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M. Barlet, J-M. Delaye, M. Gennisson, R. Caraballo, B. Boizot, et al.. Influence of Electronic Irradiation on Failure and Hardness Properties of Pure Silica Glasses. 2nd International Summer School on Nuclear Glass Wasteform: Structure, Properties and Long-Term Behavior, SumGLASS 2013, Sep 2013, Pont du Gard, France. pp.286-293, ⟨10.1016/j.mspro.2014.10.037⟩. ⟨cea-01120966⟩
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