Fig. 3
From: Quantitative characterization of indentation initiated crack growth in bovine enamel

Illustration of crack opening displacement (COD) and height difference (HD), (a) diagram of crack section; (b) profile of crack section.
From: Quantitative characterization of indentation initiated crack growth in bovine enamel

Illustration of crack opening displacement (COD) and height difference (HD), (a) diagram of crack section; (b) profile of crack section.