Frequency- and temperature-dependent storage and loss moduli of microfibrous thin films of Parylene C

被引：11

作者：

Chindam, Chandraprakash ^{[1
]}

Lakhtakia, Akhlesh ^{[1
]}

Brown, Nicole R. ^{[2
]}

Orfali, Wasim ^{[3
]}

Awadelkarim, Osama O. ^{[1
]}

机构：

[1] Penn State Univ, Dept Engn Sci & Mech, University Pk, PA 16802 USA

[2] Penn State Univ, Dept Agr & Biol Engn, University Pk, PA 16802 USA

[3] Taibah Univ, Coll Engn, Dept Architectural Engn, Al Madina Al Munawara, Saudi Arabia

来源：

MATERIALS LETTERS | 2014年 / 116卷

关键词：

Dynamic mechanical analysis; Viscoelasticity; Glass transition temperature; Parylene C; Microfibrous thin film;

D O I：

10.1016/j.matlet.2013.11.054

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Elastic cyclic loading of 110 gm-thick Parylene C thin films comprising parallel slanted microfibers was performed in the frequency range 5-200 Hz, to determine the dependences of their storage and loss moduli on the temperature and the frequency. The glass-transition temperature was identified as about 65 C from the temperature-maximum of the loss modulus. A low-frequency peak (at 115-135 Hz) in the, variation of the loss modulus is due to the resonance of an individual microfiber loaded by the remaining microfibers in the film. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：296 / 298

页数：3

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