Sensors & Transducers Journal
(ISSN 1726- 5479)
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205.767 |
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(ISSN 1726- 5479) |
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Sensors & Transducers Journal 2010 Sensors & Transducers Journal 2009 Sensors & Transducers Journal 2008 Sensors & Transducers Journal 2007 2000-2002 S&T e-Digest Contents
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Vol. 12, Special Issue, October 2011, pp.53-65
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The Mechanical and Tribological Properties of Epoxy Nanocomposites with WS2 Nanotubes
1, 2
Elad ZOHAR, 1
Sharon BARUCH, 1 Mark SHNEIDER, 1 Hanna DODIUK,
1 Samuel KENIG, 2 H. Daniel WAGNER, 3
Alla ZAK, 4 Alex MOSHKOVITH, 1 Shenkar College of Engineering & Design, Ramat Gan 52526, Israel 2 Department of Materials and Interfaces, Weizmann Institute, Rehovot, 76100, Israel Tel.: +972-8-9342394, fax: +972-8-9344138 3 “NanoMaterials Ltd.”, 18 Einstein St., Weizmann Science Park, P.O. Box 4088, Nes Ziona 74140, Israel Tel.: 972-8-9302671, fax: 972-99302675 4 Department of Science, Holon Institute of Technology, P.O. Box 305, 52 Golomb St., Holon 58102, Israel E-mail: Reshef.Tenne@weizmann.ac.il, alla@apnano.com
Received: 15 June 2011 /Accepted: 18 July 2011 /Published: 31 October 2011 |
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Abstract: It is now possible to synthesize inorganic nanotubes (INT) of WS2 in a pure phase and substantial amounts. Due to their crystalline perfection, they are characterized by excellent mechanical behavior. This study is dedicated to the investigation of the effect of INT-WS2 on the mechanical, thermal, adhesion and tribological properties of epoxy based nanocomposites. Various concentrations up to 1.0 wt% of the INT were added to the epoxy matrix. First a method was developed to mix the nanotubes in the epoxy resin matrix. A combination of both magnetic stirring and ultrasonic mixing was used. The adhesion, fracture toughness and strain energy release rate were studied. The INT-WS2 were found to significantly improve all these properties. The wear of the nanotubes-reinforced epoxy was eight-times lower than that of pure epoxy. These results suggest numerous applications.
Keywords: Inorganic nanotubes, WS2 nanotubes, Epoxy nanocomposites, Mechanical properties of nanocomposites, Wear of nanocomposites
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