A Piezoelectric Minirheometer for Measuring the Viscosity of Polymer Microsamples

Sánchez, Almudena M. and Prieto López, Roberto and Laso Carbajo, Manuel and Riesgo Alcaide, Teresa (2008). A Piezoelectric Minirheometer for Measuring the Viscosity of Polymer Microsamples. "IEEE Transactions on Industrial Electronics", v. 55 (n. 1); pp. 4274-436. ISSN 0278-0046.

Description

Title: A Piezoelectric Minirheometer for Measuring the Viscosity of Polymer Microsamples
Author/s:
  • Sánchez, Almudena M.
  • Prieto López, Roberto
  • Laso Carbajo, Manuel
  • Riesgo Alcaide, Teresa
Item Type: Article
Título de Revista/Publicación: IEEE Transactions on Industrial Electronics
Date: January 2008
ISSN: 0278-0046
Volume: 55
Subjects:
Freetext Keywords: cone-and-plate rheometer electromechanical design frequency-sweep mode piezoelectric actuator piezoelectric minirheometer piezoelectric sensor polymer microsamples polymeric systems pressure-sensitive adhesives sinusoidal strain rates viscoelastic materials viscosity measurement
Faculty: E.T.S.I. Industriales (UPM)
Department: Automática, Ingeniería Electrónica e Informática Industrial [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper describes the electromechanical design, operating principles and performance of a rheometer able to characterize the rheological behavior of microsamples of viscoelastic materials, such as polymer solutions, melt, and rubbers. It was developed with a view to portability, robustness, and ease of operation for very small samples. The rheometer operates by subjecting the samples to small-amplitude sinusoidal strain rates via an inverse piezoelectric actuator and detecting the stress response of the material via a direct piezoelectric sensor. The device operates under frequency-sweep mode in a very wide range of frequencies. Required sample sizes are typically three orders of magnitude smaller than for conventional rheometers. Owing to its lack of moving parts, the rheometer has an extremely simple design and is insensitive to vibration. Measurements on pressure-sensitive adhesives and other polymeric systems are presented and validated against a standard cone-and-plate rheometer.

More information

Item ID: 1964
DC Identifier: http://oa.upm.es/1964/
OAI Identifier: oai:oa.upm.es:1964
Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=4418510&arnumber=4418531&count=51&index=44&tag=1
Deposited by: Memoria Investigacion
Deposited on: 01 Dec 2009 11:21
Last Modified: 20 Apr 2016 11:46
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