Abstract
Stresses in several Prince Rupert’s drops (PRDs) were measured with integrated photoelasticity. Measurements show that the surface layer of thickness about 0.5 mm of the head of a PRD is under high compression stresses reaching at the surface the value of about 500 MPa. That explains the extraordinary strength of the heads of PRD’s. The external part of the tails of PRD’s is also under high compressive stress reaching at the surface the value of 600 MPa. Internal part of the tail is under high tensile stresses. Stress distribution in the tail is used to explain catastrophic disintegration of the tail when it is cut.
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Acknowledgement
This work was supported by Estonian Research Council Grant No. IUT33/24.
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Aben, H., Anton, J., Peterson, P., Õis, M. (2019). On the Fracture Mechanics of Prince Rupert’s Drops. In: Gdoutos, E. (eds) Proceedings of the First International Conference on Theoretical, Applied and Experimental Mechanics. ICTAEM 2018. Structural Integrity, vol 5. Springer, Cham. https://doi.org/10.1007/978-3-319-91989-8_36
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DOI: https://doi.org/10.1007/978-3-319-91989-8_36
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