Rotational flexural strength of cylindrical brittle specimens

• Published in: Journal of the American Ceramic Society Vol. 105; no. 7; pp. 4897 - 4909
• Main Authors: Wereszczak, Andrew A., Steiner, Emily F., Jadaan, Osama M., Wiles, Randy H., Kuwik, Brett S.
• Format: Journal Article
• Language: English
• Published: Columbus Wiley Subscription Services, Inc 01.07.2022; American Ceramic Society
• Subjects: brittle materials; Brittleness; effective area; effective volume; Flexing; Flexural strength; flexure; MATERIALS SCIENCE; Modulus of rupture in bending; Rods; Rotation; strength; Strength testing; Tensile stress; Tubes

Conventional static flexural strength testing of brittle cylindrical rods only subjects a small fraction of the entire specimen's area or volume to the maximum tensile stress. Thus, a nonconservative measured strength likely results since most flaws on the surface or in the bulk are not subject...