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. Author manuscript; available in PMC: 2013 Apr 5.
Published in final edited form as: J Biomech. 2012 Jan 28;45(6):1036–1041. doi: 10.1016/j.jbiomech.2011.12.019

Figure 3.

Figure 3

Results from variable-depth indentation and equilibration experiments with a 7.7 µm/s indentation rate, a 3.2 mm radius sphere, and PBS lubricant. The lines denote the least squares fits to the Hertz model. The equilibrium and effective contact moduli were Ec0=0.93±0.03 MPa and Ec’=5.21±0.01 MPa, respectively. The 95% confidence intervals are not visible behind the data labels.