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Fractional Exponential Form of Relaxation Modulus and Transient Elongational Flow

 

作者: J. Stastna,   D. De Kee,   M. Powley,   P. Schümmer,   B. Otten,  

 

期刊: Journal of Rheology  （AIP Available online 1989）
卷期: Volume 33, issue 7  

页码: 1157-1172

 

ISSN:0148-6055

 

年代: 1989

 

DOI:10.1122/1.550048

 

出版商: The Society of Rheology

 

数据来源: AIP

 

摘要:

Williams and Watts have shown that a fractional exponential form for the decay function is able to describe dielectric relaxation in polymeric systems. The possible use of the fractional exponential form for the relaxation modulus in rheology is discussed. The elongational stress growth function and the complex viscosity function are simulated via the defect‐diffusion model.

 

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