Transcription of VKRT Payne effect
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VKRT Payne effect
ELASTOMER RESEARCH TESTING the Payne effect in filled rubberVKRT meeting, May 14, 2009 ELASTOMER RESEARCH TESTING RESEARCH TESTING is in the name: ERT provides research and testing facilities in the rubber field for third parties. One of the properties of filled rubber we are working on is the measurement of the Payne effect . The Payne effect is directly related to the dynamic properties of the vulcanized rubber. ELASTOMER RESEARCH TESTING Payne effect in filled rubber is the phenomenon of a strain dependent dynamic carbon black or silica filled rubber we measure a high dynamic modulus at low strains (< 1%) which decreases at higher strains (> 10%). The reason for this phenomenon is the formation of a network formed by filler-filler carbon black the interactions are Van der Waalsforces and for silica the much stronger RESEARCH TESTING Wehmeier, VKRT February 14, 2008.
ELASTOMER RESEARCH TESTING B.V. VKRT 24 The Payne effect as measured with the RPA on cured samples is higher than measured in shear on the Eplexor ∆(G’ 1,0–G’ 20) = 0.548 vs. 0.432 MPa for 207-03 and ∆(G’ 1,0–G’ 20) =0.307 vs. 0.234 MPa for 207-04. The storage modulus G’ is …
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