Abstract
A processing approach has been identified and reduced to practice in which a residual stress profile can be designed such that cracks in a brittle material are arrested or grow in a stable fashion. In the procedure, cracks in the body encounter an increase in the magnitude of residual compression as the crack propagates. If correctly designed, the process increases strength, significantly decreases strength variability and gives rise to multiple cracking. This approach is demonstrated for an ion-exchanged silicate glass using four-point and biaxial flexure strength testing. Optical microscopy was used to study the morphology and development of the multiple cracking that precedes the final failure.
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© 2002 Springer Science+Business Media New York
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Green, D.J., Sglavo, V.M., Beauchamp, E.K., Glass, S.J. (2002). Designing Residual Stress Profiles to Produce Flaw-Tolerant Glass. In: Bradt, R.C., Munz, D., Sakai, M., Shevchenko, V.Y., White, K. (eds) Fracture Mechanics of Ceramics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-4019-6_7
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DOI: https://doi.org/10.1007/978-1-4757-4019-6_7
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