Please use this identifier to cite or link to this item:
https://doi.org/10.15480/882.1730
Publisher DOI: | 10.1016/j.actamat.2018.03.018 | Title: | A geometric model for the fracture toughness of porous materials | Language: | English | Authors: | Jelitto, Hans Schneider, Gerold A. |
Keywords: | fracture toughness; toughness; elastic properties; porosity; modeling | Issue Date: | 1-Jun-2018 | Publisher: | Elsevier | Source: | Acta Materialia (151): 443-453 (2018) | Abstract (english): | Different models for the fracture toughness, KIC, of porous materials have been proposed to describe KIC as a function of the porosity P. They have in common that beside P at least one additional parameter exists that has to be adjusted to the measured data. Based on the cubic structure, we present a geometrical 3D model without any arbitrary parameter, which predicts the KIC the toughness, GC, and the Young's modulus, E, of a porous material. The model comprises three variants, depending on the material properties like open or closed porosity. It is in good agreement with a large amount of experimental data from different research groups. |
URI: | http://tubdok.tub.tuhh.de/handle/11420/1733 | DOI: | 10.15480/882.1730 | ISSN: | 1359-6454 | Journal: | Acta materialia | Institute: | Keramische Hochleistungswerkstoffe M-9 | Document Type: | Article | Project: | SFB 986, Teilproject A6 - Herstellung und Charakterisierung hierarchischer, multi-funktionaler Keramik/Metall-Polymer Materialsysteme | License: | ![]() |
Appears in Collections: | Publications with fulltext |
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1-s2.0-S1359645418302039-main.pdf | Verlags-PDF | 1,89 MB | Adobe PDF | View/Open![]() |
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