Journal Pre-proof Investigation on the failure mechanism of triply periodic minimal surface cellular structures fabricated by Vat photopolymerization Additive Manufacturing under compressive loadings M. Keshavarzan , M. Kadkhodaei , M. Badrossamay , M.R. Karamooz Ravari PII: S0167-6636(18)30867-6 DOI: https://doi.org/10.1016/j.mechmat.2019.103150 Reference: MECMAT 103150 To appear in: Mechanics of Materials Received date: 19 December 2018 Revised date: 11 August 2019 Accepted date: 22 August 2019 Please cite this article as: M. Keshavarzan , M. Kadkhodaei , M. Badrossamay , M.R. Karamooz Ravari , Investigation on the failure mechanism of triply periodic minimal surface cellular structures fabricated by Vat photopolymerization Additive Manufacturing under compressive loadings, Mechanics of Materials (2019), doi: https://doi.org/10.1016/j.mechmat.2019.103150 This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. 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. © 2019 Published by Elsevier Ltd.