Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Performance Degradation of Silicon Based Magnetorheological Elastomer Under Accelerated Weathering Treatment

Version 1 : Received: 29 December 2020 / Approved: 31 December 2020 / Online: 31 December 2020 (13:28:19 CET)

How to cite: Wibowo, W.; Lenggana, B.W.; Ubaidillah, U.; Ariawan, D.; Imaduddin, F.; Mazlan, S.A. Performance Degradation of Silicon Based Magnetorheological Elastomer Under Accelerated Weathering Treatment. Preprints 2020, 2020120811 (doi: 10.20944/preprints202012.0811.v1). Wibowo, W.; Lenggana, B.W.; Ubaidillah, U.; Ariawan, D.; Imaduddin, F.; Mazlan, S.A. Performance Degradation of Silicon Based Magnetorheological Elastomer Under Accelerated Weathering Treatment. Preprints 2020, 2020120811 (doi: 10.20944/preprints202012.0811.v1).

Abstract

Silicone RTV-based engineering rubber composite products have been widely used for several applications in various fields as a major component such as structure, automotive, and medical. In its application, the rubber composite product is placed in an open area that is directly exposed to sunlight and rain. It has a significant negative impact on changes in chemical and rheological properties, making the product life of rubber composite products shorter. Therefore, in this study, changes in the chemical and rheological properties of both isotropic and anisotropic magnetorheological elastomer (MRE) treated with accelerated weathering were studied compared to untreated specimens with specimens that had been treated. MRE specimens with 40% by weight CIP were prepared with no current excitation and another sample were made under 1.5 T of magnetic flux density. Each specimen was treated in an accelerated weathering machine Q-Sun Xe-1 Xenon Test Chamber with a UV light exposure cycle for 102 minutes and 18 minutes of UV light combined with water spray for 24 hours followed by a condensation cycle of 4 hours in a dark period. Material characterization was carried out using FTIR and Rheometer to determine the changes in chemical and rheological properties. The morphological analysis results showed that the surface was rough and more cavities occurred after being given weather treatment. Rheometer test results showed a decrease in storage modulus in each MRE specimen that had been treated compared to untreated MRE specimens. Meanwhile, FTIR testing showed a change in wave peak between untreated and treated MRE specimens.

Subject Areas

magnetorheological; elastomer; magnetorheological elastomer; MRE; weather; accelerated; rubber; composite; rheological

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