R: Estimates of material properties by Time-Temperature...
TTS-package
R Documentation
Estimates of material properties by Time-Temperature Superposition (TTS)
analysis
Description
TTS analysis is often applied to frequency modulated data obtained by
Dynamic Mechanic Analysis (DMA) and Rheometry in the analytical chemistry
and physics areas. These techniques provide estimates of material
mechanical properties (such as moduli) at different temperatures in a wider
range of time. This package provides the Time-Temperature superposition
Master Curve at a referred temperature by the three methods: the two wider
used methods, Arrhenius based methods and WLF, and the newer methodology
based on derivatives procedure. The Master Curve is smoothed by B-splines
basis. The package output is composed of plots of experimental data,
horizontal and vertical shifts, TTS data, and TTS data fitted using
B-splines with bootstrap confidence intervals.
Details
Package:
TTS
Type:
Package
Version:
1.0
Date:
2015-09-14
License:
GPL >= 2
The main
functions and data frame are TTS, PLOT.TTS and PC
Naya, S., Meneses A., Tarrio-Saavedra, J., Artiaga R.,
Lopez-Beceiro, J. and Gracia-Fernandez C. (2013) New method for estimating
shift factors in time-temperatura superposition models. Journal of Thermal
Analysis and Calorimetry. ISSN 1388-6150. DOI 10.1007/s10973-013-3193-1.
Williams, M. L. (1964) Structural analysis of Viscoelastic materials. AIAA
Journal, 785-808.
Zou, J., You F., Su L., Yang Z., Chen G. and Guo S. (2011). Failure
Mechanism of Time-Temperature Superposition for Poly(vinyl
chloride)/Dioctylphthalate (100/70) System. DOI 10.1002/app.35113.
Ferry J.D. (1980) Viscoelastic Properties of Polymers, Wiley: New York.
Artiaga R., Garcia A. Fundamentals of DMA. In: 'Thermal analysis.
Fundamentals and applications to material characterization' (ed.: Artiaga
R.) Publicaciones de la Universidade da Coruna, A Coruna, Spain, 183-206
(2005).
Chartoff R.P., Menczel J.D., Dillman S.H. Dynamic mechanical analysis
(DMA). In: 'Thermal analysis of polymers. Fundamentals and applications'
(eds.: Menczel J.D., Prime R.B.) Wiley, San Jose, 387-496 (2009).