Crack Tip Shielding in Ceramic and Cementitious Materials Subjected to Monotonic and Cyclic Loading

[+] Author and Article Information
Xiaozhi Hu, Yiu-Wing Mai

Centre for Advanced Materials Technology, Department of Mechanical Engineering, University of Sydney, NSW 2006 Australia

Appl. Mech. Rev 45(8), 346-354 (Aug 01, 1992) (9 pages) doi:10.1115/1.3119763 History: Online April 30, 2009


Crack tip shielding due to crack-interface bridging in a cellulose fiber reinforced cement, plain mortar and a coarse-grained alumina is studied in terms of a novel compliance function φ-curve concept proposed recently by the authors. The simplicity and versatility of the approach are demonstrated through evaluation of the crack tip shielding influence under both monotonic and cyclic loading with compliance measurements. Crack-tip shielding degradation due to either successive saw-cutting or repetitive crack-face abrasion can also be quantitatively determined.

Copyright © 1992 by American Society of Mechanical Engineers
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