Abstract
The Weibull theory of material strength and fracture assumes that the Weibull modulus m is a material parameter, which does not depend on shape and size of the loaded object. Based on large data sets from single-particle fracture experiments with brittle materials (glass, clinker cement, limestone), the authors show that the Weibull modulus of nearly spherical particles seems to decrease with increasing particle diameter. A possible explanation is that the inner structure of the particles depends on their size so that small particles are much stronger than large ones.
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Received: 9 December 1999
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Jansen, U., Stoyan, D. On the validity of the Weibull failure model for brittle particles. GM 2, 165–170 (2000). https://doi.org/10.1007/s100350000052
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DOI: https://doi.org/10.1007/s100350000052