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Development of a Novel Experimental Device to Investigate Swelling of Elastomers in Biodiesel Undergoing Multiaxial Large Deformation

Abstract : The lifetime of an elastomeric product depends on the nature of mechanical loading and the environmental condition during the service. In this context, at least two important aspects contribute to the degradation of the elastomeric parts in service: diffusion of aggressive liquids leading to swelling and fluctuating multiaxial mechanical loading leading to fatigue failure. Moreover, the amount of swelling of elastomers in solvent is affected by the presence of mechanical loading. Hence, it is essential to understand the interactions between the two phenomena for durability analysis of the component. The present study investigates the swelling of elastomers due to diffusion of palm biodiesel in the presence of static multiaxial large deformation. For this purpose, new experimental device and specimen are developed. The device consists of a hollow diabolo elastomeric specimen attached to specially-designed circular metallic grips and plates such that immersion tests can be conducted while the specimens are simultaneously subjected to various mechanical loadings: simple tension, simple torsion and combined tension-torsion. Thus, diffusion of liquids takes place in the material which concurrently undergoes multiaxial large deformation. Two types of elastomers are investigated: Nitrile Rubber (NBR) and Polychloroprene Rubber (CR). The particular features of the device and specimen are discussed and perspectives for further improvement are drawn.
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https://hal.archives-ouvertes.fr/hal-03284768
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Submitted on : Wednesday, August 18, 2021 - 8:25:15 PM
Last modification on : Tuesday, September 21, 2021 - 4:06:09 PM
Long-term archiving on: : Friday, November 19, 2021 - 6:53:52 PM

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Shiau Ying Ch’ng, Andri Andriyana, Erwan Verron, Omid Kahbasi, Roslina Ahmad. Development of a Novel Experimental Device to Investigate Swelling of Elastomers in Biodiesel Undergoing Multiaxial Large Deformation. Experimental Mechanics, Society for Experimental Mechanics, 2013, 53 (8), pp.1323-1332. ⟨10.1007/s11340-013-9737-2⟩. ⟨hal-03284768⟩

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