Research Article

Micromechanical Characterization of Complex Polypropylene Morphologies by HarmoniX AFM

Table 2

Comparison between elastic moduli evaluated by HarmoniX AFM and indentation tests in different positions along the sample thickness.

Test/zoneSpherulitic core (GPa)Transition zone (GPa)Shear zone (GPa)

HarmoniX1.50 ± 0.451.80 ± 0.471.98 ± 0.47
Nanoindentation1.67 ± 0.501.81 ± 0.552.00 ± 0.48