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Tensile properties of mineral fibers determined with Sentmanat extensional rheometerOseli, Alen ...Within the presented research, we utilized a non-standard technique, i.e. Sentmanat Extensional Rheometer (shorter SER-tool), which can potentially provide tensile measurements (i.e. tensile strength ... and Young's modulus) on relatively short and brittle fibrous materials such as slag mineral fibers. For easier transportation and fastening of the fibers, physical model of SER-tool was slightly modified. Consequently, modified technique was theoretically (through parametric error analysis) and experimentally (through mechanical characterization) evaluated on four different types of mineral fibers. Despite a fair, yet distinguishable scatter of tensile strength which cannot be theoretically evaluated due to size effect (related to thermo-mechanical histories), fiber's weakest link (related to fiber defects), etc., mechanical response, which is universally presented by Young's modulus, was reproducible. Parametrical error analysis, which determines the accuracy of modified SER-tool showed that the large part of the error arises from the combination of fiber diameter and error in fiber diameter, however by careful selection of fibers (related to the magnitude of the diameter and its error) the result remains within the predicted ranges. From the results different types of mechanical responses can be observed, which is related to ceramic content, i.e. SiO2+Al2O3, within the slag fiber. Utilized technique demonstrates the high performance and the capability of modified SER-tool to perform various studies, investigating the effects of thermo-mechanical histories, chemical composition and other parameters on mechanical properties of single fiber filaments.Vir: Construction & building materials. - ISSN 0950-0618 (Vol. 253, 2020, str. 1-12)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2020Jezik - angleškiCOBISS.SI-ID - 13922563
Avtor
Oseli, Alen |
Bizjan, Benjamin |
Król, Elżbieta |
Širok, Brane |
Slemenik Perše, Lidija
Teme
mineralna vlakna iz žlindre |
kemična sestava |
mehanske lastnosti |
natezna trdnost |
Yangov modul |
natezni reometri |
slag mineral fibers |
chemical composition |
mechanical properties |
tensile strength |
Young's modulus |
Sentmanant extensional rheometer
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Oseli, Alen | 35754 |
Bizjan, Benjamin | 35646 |
Król, Elżbieta | |
Širok, Brane | 09286 |
Slemenik Perše, Lidija | 22701 |
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