Fracture toughness of cement paste assessed with micro-scratch and acoustic emission

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F22%3A73621446" target="_blank" >RIV/61989592:15310/22:73621446 - isvavai.cz</a>
Result on the web
<a href="https://intapi.sciendo.com/pdf/10.2478/pmp-2022-0002" target="_blank" >https://intapi.sciendo.com/pdf/10.2478/pmp-2022-0002</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.2478/pmp-2022-0002" target="_blank" >10.2478/pmp-2022-0002</a>

Result language
angličtina
Original language name
Fracture toughness of cement paste assessed with micro-scratch and acoustic emission
Original language description
Micro-scratch test was used to evaluate the fracture toughness of the main hydration products of ordinary Portland cement paste at the micro-scale. The evaluation was done with the aid of scanning electron microscopy and acoustic emission (AE) signals. Portlandite was found to be the only phase where AE detected elastic waves due to cracking during microindentation and micro-scratch test. Such behavior simplifies phase separation during the evaluation process of the micro-scratch test. The micro-scale fracture toughness results obtained from the tests were found in close agreement with other available experiments and models in the literature.
Czech name
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Czech description
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Project
<a href="/en/project/EF16_019%2F0000754" target="_blank" >EF16_019/0000754: Nanotechnologies for Future</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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