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• Hamdani, STalha Ali
• Potluri, P
• Fernando, A
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• Potluri, P
• Fernando, A
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• Potluri, P
• Fernando, A

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Materials 2013, 6(3), 1072-1089; doi:10.3390/ma6031072

Article

Thermo-Mechanical Behavior of Textile Heating Fabric Based on Silver Coated Polymeric Yarn

Syed Talha Ali Hamdani, Prasad Potluri and Anura Fernando*

Textiles Research Group, School of Materials, The University of Manchester, Manchester M13 9PL, UK

* Author to whom correspondence should be addressed.

Received: 31 December 2012; in revised form: 6 March 2013 / Accepted: 13 March 2013 / Published: 20 March 2013

(This article belongs to the Special Issue Advances in Multifunctional Materials)

Download PDF Full-Text [1782 KB, uploaded 20 March 2013 12:23 CET]

Abstract: This paper presents a study conducted on the thermo-mechanical properties of knitted structures, the methods of manufacture, effect of contact pressure at the structural binding points, on the degree of heating. The test results also present the level of heating produced as a function of the separation between the supply terminals. The study further investigates the rate of heating and cooling of the knitted structures. The work also presents the decay of heating properties of the yarn due to overheating. Thermal images were taken to study the heat distribution over the surface of the knitted fabric. A tensile tester having constant rate of extension was used to stretch the fabric. The behavior of temperature profile of stretched fabric was observed. A comparison of heat generation by plain, rib and interlock structures was studied. It was observed from the series of experiments that there is a minimum threshold force of contact at binding points of a knitted structure is required to pass the electricity. Once this force is achieved, stretching the fabric does not affect the amount of heat produced.

Keywords: elector-textile; silver; polymeric yarn; thermo-mechanical behavior; wearable; heating; knitted; antifreeze; protective clothing

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