Atomistics of tensile failure in fused silica: weakest-link models revisited

Jonathan I. Katz

doi:10.1117/12.372756

29 December 1999 Atomistics of tensile failure in fused silica: weakest-link models revisited

Jonathan I. Katz

Proceedings Volume 3848, Optical Fiber Reliability and Testing; (1999) https://doi.org/10.1117/12.372756
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

In weakest link models the failure of a single microscopic element of a brittle material causes the failure of an entire macroscopic specimen, just as a chain fails if one link fails. Pristine samples of glass, such as optical communications fiber, approach their ideal strength, and their brittle tensile failure has been descried by this model. The statistics of weakest link models are calculable in terms of the statistics of the individual links, which, unfortunately, are poorly known. Use of the skewness of the failure distribution may permit simultaneous determination of the statistics of the individual weak links and of their number density, which indicates their physical origin. However, the applicability of weakest link models to real materials remains unproven.

Citation Download Citation

Jonathan I. Katz "Atomistics of tensile failure in fused silica: weakest-link models revisited", Proc. SPIE 3848, Optical Fiber Reliability and Testing, (29 December 1999); https://doi.org/10.1117/12.372756

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