Correction to: J Mater Sci (2013) 48:1413–1422 https://doi.org/10.1007/s10853-012-6892-2

In the original article, there is a typographical error in the in-line equation on page 1418 following Eq. (21). The sentence should read as follows:

In the case of a square cross section, I = t4/12.