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. Author manuscript; available in PMC: 2009 Jun 25.
Published in final edited form as: Acta Mater. 2007 Apr 1;55(7):2479–2488. doi: 10.1016/j.actamat.2006.11.042

Fig. 1.

Fig. 1

Schematic showing competing outer (O) and inner (I) cone cracks in the veneer layer and radial cracks (R) in the core, with net layer thickness d = dv + dc, bonded to a compliant support base. The specimen is loaded with spheres of radius r at load P for number of cycles n in water (shaded).