Sensors & Transducers Journal (ISSN 1726- 5479) |
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Sensors & Transducers Journal 2007 2000-2002 S&T e-Digest Contents
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Vol. 92, Issue 5, May 2008, pp. 32-42
Influence of Quartz Fillers in Dielectric Composites on Electrostrictive Sensors
B.Shivamurthy1, Tapas Kr. Basak2, M. S. Prabhuswamy3, Siddaramaiah4. Himanshu Tripathi5, S.S.Deopa6
1Department of Mechanical Engineering, 2Academic Director, 5,6Department of Electrical and Electronics Engineering
Krishna Engineering College,95, Loni Road, Mohan Nagar, Ghaziabad. India
3Department of Mechanical Engineering, 4 Department of Polymer Science and Technology, SJCE, Mysore.India
1Corresponding Author E-mail: b_shivamurthy@yahoo.co.in Tel.: +919968462533
Received: 19 April 2008 /Accepted: 20 May 2008 /Published: 26 May 2008
Abstract: In this investigation E-glass epoxy composite filled with different amount of quartz powder were prepared by compression moulding and hot curing. Plain waived E-glass cloth with density 200gm / meter square was used as reinforcement. Epoxy resin LY556 mixed with Hardener HT907 and accelerator DY063 in the ratio 100:80:2 was used as matrix. The quartz powder of 30 microns particle size was used as fillers. Four types of composites were prepared with different amount of quartz fillers like 0%, 3%, 6% and 9% with unchanged reinforcement. For all the samples, dielectric dissipation factor (tan δ), dielectric constant and a. c. conductivity and electrostriction have been measured by using a LCR meter at 1 KHz frequency. The phenomenon of electrostriction was examined for all samples (of different percentage of quartz filled composites). It is observed that the percentage of filler influences the electrostriction phenomena in the composites. The 6 % filler content composites samples exhibits the improved electrostriction phenomenon required for sensors compared to other types of composites.
Keywords: Glass epoxy composites, Dielectric constant, Quartz fillers, Electrostriction. Transducers, Sensors.
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