CALCULATION OF DISCRETE RETARDATION SPECTRA FROM CREEP DATA .2. ANALYSIS OF MEASURED CREEP CURVES

被引：49

作者：

KASCHTA, J

SCHWARZL, FR

机构：

[1] Institute for Materials Science University of Erlangen-Nürnberg, Erlangen

来源：

RHEOLOGICA ACTA | 1994年 / 33卷 / 06期

关键词：

GLASS TRANSITION; DISCRETE RETARDATION SPECTRUM; TERMINAL TRANSITION; ENTANGLEMENT TRANSITION; RECOVERY;

D O I：

10.1007/BF00366337

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

An algorithm for the calculation of discrete, logarithmic equidistant retardation spectra from creep or recovery is applied to experimental data in different regions of consistency. Spectra in the glass-rubber transition region are given for technical poly(styrene), poly(methylmethacrylate), and poly(carbonate) as well as the course of all characteristic compliance type functions. The spectrum in the terminal region of a poly(styrene) of narrow molecular weight distribution is calculated both from creep and recovery data. The course of the dynamic moduli calculated from the spectra and by direct conversion is found in excellent agreement to measurements by means of a dynamic viscometer.

引用

页码：530 / 541

页数：12

共 14 条

[1] INTERRELATION BETWEEN CONTINUOUS AND DISCRETE RELAXATION-TIME SPECTRA [J].