Young’s Modulus of Polycrystalline Titania Microspheres Determined by In Situ Nanoindentation and Finite Element Modeling

Figure 1

(a) Model of indentation of TiO₂ microsphere. (b) Selected stress distribution to illustrate the deformation mechanisms. and are the compressive deformation and penetration depth of the microspheres, respectively.

(a)

(b)