Dynamic Ring-on-Ring Equibiaxial Flexural Strength of Borosilicate Glass

  • Xu Nie
  • Weinong Chen
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)


A novel dynamic ring-on-ring equibiaxial flexural testing technique with single pulse loading capability is established on a modified Kolsky bar. This technique is then utilized to investigate the loading-rate and surface-condition effects on the flexural strength of a borosilicate glass. Quasi-static and dynamic experiments are performed at loading rates ranging from 5x10-1 to 5x106 MPa/s. It is found that the flexural strength of the borosilicate glass strongly depends on the applied loading rates. HF acid corrosion on the surface promotes the flexural strength to above 1.3 GPa. Fractographic analysis shows that surface modification has changed the type of flaws that govern the flexural strength of glass samples.


Flexural Strength Glass Sample Borosilicate Glass American Ceramic Society Critical Crack Size 
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Copyright information

© The Society for Experimental Mechanics, Inc. 2011

Authors and Affiliations

  1. 1.AAE&MSE schoolsPurdue UniversityWest LafayetteUSA

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