Microwave testing of textile composite using freespace microwave measurement system / Deepak Kumar Ghodgaonkar … [et al.]

Ghodgaonkar, Deepak Kumar and Salleh, Jamil and Wan Ahmad, Wan Yunus and Khadri, Norasimah (2004) Microwave testing of textile composite using freespace microwave measurement system / Deepak Kumar Ghodgaonkar … [et al.]. [Research Reports] (Unpublished)

Abstract

Composites are expensive and destructive test methods are normally applied to determine their physical properties. For textile composites, a nondestructive test could save time and save cost if the physical properties such as moisture content, weave architecture, void content and fiber volume fraction, can be deduced from electrical properties. This will be useful in aeronautics and aerospace industries. In this research, microwave nondestructive testing (MNDT) techniques such as reflection coefficients, transmission coefficients and complex permittivities are applied to characterize physical properties such as moisture content aVid fiber volume fraction. Freespace microwave measurement system is used to measure reflection and transmission coefficients of textile composites. We have measured reflection coefficients and transmission coefficients and dielectric properties of textile composites made from Kevlar, E-Glass, S-Glass and carbon fibers. For textile composites, epoxy and vinylesther are used as resins. Experimental results are reported for reflection coefficients and transmission coefficients, dielectric constants and loss tangents.

Metadata

Item Type: Research Reports
Creators:
Creators
Email / ID Num.
Ghodgaonkar, Deepak Kumar
UNSPECIFIED
Salleh, Jamil
UNSPECIFIED
Wan Ahmad, Wan Yunus
UNSPECIFIED
Khadri, Norasimah
UNSPECIFIED
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Microwaves. Including microwave circuits
Divisions: Universiti Teknologi MARA, Shah Alam > Research Management Centre (RMC) > Institute of Research, Development and Commercialization (IRDC)
Keywords: Composites, Microwave testing, Nondestructive test
Date: 2004
URI: https://ir.uitm.edu.my/id/eprint/68952
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