Abstract
In order to study the relationship between static and dynamic behaviour of soda-lime glass, both quasi-static and dynamic experiments have been conducted. The difference in material behaviour when using the two test methods suggests a loading-rate dependence in the fracture of glass. To investigate this further, quasi-static tests using different loading rates were made. This investigation showed a clear difference in material behaviour when the loading rate was increased from ⩽ 10 Ns−1 to ⩾ 100 Ns−1. The results also suggest that Hertzian theory can be used to calculate contact zone sizes even when simple cracking occurs in quasi-static and dynamic cases. The Hertzian description breaks down once crushing occurs.
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Persson, J., Breder, K. & Rowcliffe, D.J. Loading rate effects during indentation and impact on glass with small spheres. J Mater Sci 28, 6484–6489 (1993). https://doi.org/10.1007/BF01352218
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DOI: https://doi.org/10.1007/BF01352218