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Creators/Authors contains: "Bermejo, Raul"

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  1. ; ; ; ; ; (, Ceramics International)
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  2. ; ; ; ; ; (, Journal of the European Ceramic Society)
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  3. ; ; ; ; (, Journal of the European Ceramic Society)
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  4. ; ; ; (, Acta Materialia)
    null (Ed.)
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  5. ; ; ; ; ; (, Journal of the American Ceramic Society)
    Abstract Water or acid soaking surface treatments have been shown to increase the mechanical strength of soda‐lime silicate (SLS) glasses. This increase in strength has traditionally been attributed to effects related to residual stress or changes in fracture resistance. In this work, we report experimental data that cannot be explained based on the existing knowledge of glass surface mechanics. In dry environments, annealed and acid‐leached SLS surfaces have comparable crack initiation stress and fracture stress as measured by Hertzian indentation and biaxial bending tests, respectively. Yet, in the presence of humidity, acid‐leached surfaces have higher failure stress than the annealed surfaces. This apparent enhancement in the crack resistance of the acid‐leached surface of SLS glass in humid environments supports the hypothesis that acid‐leached surface chemistry can lower the transport kinetics of molecular water to critical flaws. 
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