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The closed form t-T-P shifting (CFS) algorithmGergesova, Marina ...Time-dependent material functions of engineering plastics within the exploitation range of temperatures extend over several decades of time. For this reason material characterization is carried out ... at different temperaturesand/or pressures within a certain experimental window. Using the time-temperature and/or time-pressure superposition principle, these response function segments can be shifted along the logarithmic time-scale to obtain a master curve at selected reference conditions. This shifting is commonly performed manually (by hand) and requires some experience. Unfortunately, manual shifting is not based on a commonly agreed mathematical procedure which would, for a given set of experimental data, yield always exactly the same master curve, independent of person who executes the shifting process. Thus, starting from the same set of experimental data two different researchers could, and very likely will, construct two different master curves. In this paper, we propose a closed form mathematical methodology (CFS)which completely removes ambiguity related to the manual shifting procedures. This paper presents the derivation of the shifting algorithm and its validation using several simulated- and real- experimental data. It has been shown that error caused bz shifting performed with CFS is at least 10-50 times smaller then the underlying experimental error.Vir: Journal of rheology. - ISSN 0148-6055 (Vol. 55, no. 1, 2011, str. [1-16])Vrsta gradiva - članek, sestavni delLeto - 2011Jezik - angleškiCOBISS.SI-ID - 11702043
Avtor
Gergesova, Marina |
Zupančič, Barbara, strojništvo, mat., 1981- |
Saprunov, Ivan |
Emri, Igor
Teme
časovno-temperaturni princip superpozicije |
sumarna krivulja |
algoritem za avtomatično generiranje sumarnih krivulj |
vedenje polimerov |
polimeri |
time-temperature superposition principle |
master curve |
algorithm for automated time-temperature shifting |
polymers
Vnos na polico
Trajna povezava
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Faktor vpliva
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Gergesova, Marina | 30976 |
Zupančič, Barbara, strojništvo, mat., 1981- | 28608 |
Saprunov, Ivan | 33012 |
Emri, Igor | 04316 |
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