Accepted Manuscript Semi-automated quantification of the microstructure of PLA/clay nanocomposites to improve the prediction of the elastic modulus Maider Iturrondobeitia, Julen Ibarretxe, Ana Okariz, Pello Jimbert, Roberto Fernandez-Martinez, Teresa Guraya PII: S0142-9418(17)31389-2 DOI: 10.1016/j.polymertesting.2018.01.015 Reference: POTE 5301 To appear in: Polymer Testing Received Date: 29 September 2017 Revised Date: 19 January 2018 Accepted Date: 20 January 2018 Please cite this article as: M. Iturrondobeitia, J. Ibarretxe, A. Okariz, P. Jimbert, R. Fernandez- Martinez, T. Guraya, Semi-automated quantification of the microstructure of PLA/clay nanocomposites to improve the prediction of the elastic modulus, Polymer Testing (2018), doi: 10.1016/ j.polymertesting.2018.01.015. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.