European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 37, issue 1
Articles | Volume 37, issue 1
https://doi.org/10.5194/ejm-37-91-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-37-91-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 1
Research article
 | 
25 Feb 2025
Research article |  | 25 Feb 2025

Extrinsic and intrinsic strength of amorphous olivine films

Jens Jarnot, Ralf Dohmen, Claus O. W. Trost, Christian Mitterer, Patrick Cordier, and Oleksandr Glushko

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Short summary
The amorphous phase of the natural mineral olivine was synthesized to investigate its mechanical properties. Tensile tests with in situ optical microscopy revealed brittle behaviour of amorphous olivine. Using digital image correlation, we estimated the intrinsic strength of amorphous olivine to be about 1.8 GPa. The measured intrinsic strength of amorphous olivine should help to better identify the “weak link” that initiates or promotes macroscopic material failure.
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