Journal Article

FZJ-2014-00507

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Master curve of viscoelastic solid: using causality to determine the optimal shifting procedure

Lorenz, B. (Corresponding author)FZJ* ; Pyckhout-Hintzen, W.FZJ* ; Persson, B.FZJ*

2014
Elsevier Science Oxford

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Please use a persistent id in citations: doi:10.1016/j.polymer.2013.12.033

Abstract: Viscoelastic solids such as rubber exhibit a complex elastic modulus E(ω), which depends on the frequency ω of the applied stress or strain. The modulus E(ω) can often be determined in a wide frequency range by performing measurements in a limited frequency range for many different temperatures, and then shift the frequency segments horizontally along the frequency axis to obtain a continuous master curve. We show that one can use the spectral representation of E(ω) (or 1/E(ω)), which obeys causality, to determine the optimal shifting procedure, and to test the accuracy of the measured data and the calculated master curve.

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Contributing Institute(s):

1. Neutronenstreuung (ICS-1)
2. Neutronenstreuung (JCNS-1)
3. Quanten-Theorie der Materialien (IAS-1)
4. Quanten-Theorie der Materialien (PGI-1)

Research Program(s):

1. 451 - Soft Matter Composites (POF2-451) (POF2-451)
2. 54G - JCNS (POF2-54G24) (POF2-54G24)

Appears in the scientific report 2014

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Database coverage:
; Current Contents - Life Sciences ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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