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Proceedings Paper

Sensor-property-NDE relationships of polymeric composites processed through resin infusion
Author(s): U. K. Vaidya; H. Mohamed; K. Fotedar; A. Haque; H. Mahfuz; S. Jeelani
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Paper Abstract

Liquid molding manufacturing techniques including vacuum assisted resin infusion molding (VARIM) and resin transfer molding (RTM) offer low cost alternatives for producing composites. The cure characteristics of these composites are monitored by dielectric tool mount sensors in an RTM process, however embedded inter-digitated electrode sensors (IDEX) are becoming popular in the VARIM process. The IDEX sensors remain an integral part of the composite after cure. In this paper, first the response of the dielectric IDEX sensors to various resin systems in neat resin stage as well as in the resin matrix composite is presented. The paper then investigates the mechanical performance of the composites containing IDEX sensors for various loading situations involving interlaminar shear strength, low velocity impact and high strain rate testing. Ultrasonic nondestructive evaluation conducted is also presented.

Paper Details

Date Published: 16 April 1998
PDF: 12 pages
Proc. SPIE 3321, 1996 Symposium on Smart Materials, Structures, and MEMS, (16 April 1998); doi: 10.1117/12.305602
Show Author Affiliations
U. K. Vaidya, Tuskegee Univ. (United States)
H. Mohamed, Tuskegee Univ. (United States)
K. Fotedar, Tuskegee Univ. (United States)
A. Haque, Tuskegee Univ. (United States)
H. Mahfuz, Tuskegee Univ. (United States)
S. Jeelani, Tuskegee Univ. (United States)

Published in SPIE Proceedings Vol. 3321:
1996 Symposium on Smart Materials, Structures, and MEMS
Vasu K. Aatre; Vijay K. Varadan; Vasundara V. Varadan, Editor(s)

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