Technical Paper Archive

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Tearing Energy in Relation to Distribution of Oil Concentration Measured by Infrared Spectroscopy at Fracture Surface

D25 datta

Event: 196th Technical Meeting - Fall 2019
Location: Cleveland, OH
Date: October 08, 2019
Author: Sanjoy Datta
Paper Number: D25

Price: $20.00

  • Cured styrene butadiene rubber (SBR), compounded at two different paraffin oil concentrations, 4.5 and 9.0 phr were subjected to a uniaxial tensile loading at three different strain rates of 10, 100 and 500 mm·min-1 to study the effects of tearing energy on the localized oil concentration at a specified point on the two newly generated fractured surface. First, the tearing energy of the single edge notched tensile samples (SENT) as a function of oil concentration and strain rate were determined. Additionally, the generated fractured surfaces were spectroscopically studied using attenuated total reflection (ATR) Fourier transform infrared (FT-IR) spectroscopy. The study was focused on quantification of a characteristic absorbance peak height of the paraffin oil, concentrated on the fractured surface, at a predetermined distance from the tip of the initiating notch. The results of the IR analyses were related to the tearing energy to define the migration of oil during the uniaxial tensile fracture process from the matrix to the ruptured surface. Trends were found for both, tearing energy as a function of strain rate, and also, IR absorbance peak height for oil as a function of tearing energy. The strain rate and tearing energy were found to be inversely proportional, whereas IR peak height response to tearing energy was directly proportional. Also, the IR peak height was proportional to the oil concentration .

    Papers from 196th Technical Meeting - Fall 2019

    Items from 196th Technical Meeting - Fall 2019