Statistical Laws of Dynamic Fragmentation of ZrO2 Ceramics

Marina Davydova; Sergey Uvarov; Vasiliy Chudinov

doi:10.4028/www.scientific.net/AMM.784.468

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 784Statistical Laws of Dynamic Fragmentation of ZrO2...

Statistical Laws of Dynamic Fragmentation of ZrO₂ Ceramics

Abstract:

Dynamic fragmentation of ceramic samples with different porosity were carried out using modified Hopkinson bar setup, which allow us to keep samples safe (in order to define fragment size distribution) and to measure fractoluminescence impulses occurred on the fracture surfaces (in order to establish the distribution of intervals between impulses). The analysis of experimental data reveals that the fragment size distribution and distribution of interval between fractoluminescence impulses obeys a power law, which exponent depends on ceramics porosity.

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Periodical:

Applied Mechanics and Materials (Volume 784)

Pages:

468-475

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.784.468

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Online since:

August 2015

Authors:

Marina Davydova*, Sergey Uvarov, Vasiliy Chudinov

Keywords:

Dynamic Fragmentation, Fractoluminescence, Fragment Size Distribution, Scaling Law

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