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Experimental Investigation on the Non-linearity of Nitrile Butadiene Rubber  

Yoo, Myung-Ho (Research Center of SJ Tech Co Ltd.)
Lee, Taek-Sung (Department of Mechanical Design Engineering, Korea Polytechnic University)
Do, Je-Sung (Research Center of SJ Tech Co Ltd.)
Kwon, Jong-Ho (Department of Automotive Engineering, Shin Heung College)
Publication Information
Elastomers and Composites / v.42, no.3, 2007 , pp. 159-167 More about this Journal
Abstract
Hydraulic actuators are used widely for industrial machinery. The seal made from elastomer is used as a core part of the actuator, NBR(nitrile butadiene rubber) materials with high quality of oil resistance and abrasion resistance is used widely, requiring excellent characteristic of sealing. According to applied circumstances, the actuators for industrial machinery are used under different temperature situations. In this study, three different kinds of NBR, which is Hs70, 80, 90 are determined as one of hydraulic materials. An experimental investigation is performed to confirm the non-linearity under different temperature ($-10^{\circ}C,\;20^{\circ}C,\;80^{\circ}C,\;100^{\circ}C$) situation, material constants for finite element analysis and plastic deformation in accordance with Load-unload.
Keywords
NBR(nitrile butadiene rubber); Seal; Non-linearity; Temperature effect; Uniaxial tension test; Biaxial tension test;
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