Investigation of the Crack Propagation in the Graphene/Synthetic Rubber Nanocomposite Materials with DIC Technique
Authors
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Hasan Kasım
AffiliationR&D Center, Emsa Nano Technology Energy Trade Co.,16285 Bursa, Alaaddinbey Mh. 614.Sk 3/16, Turkey
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Ahmad Naser Aldeen
Affiliation
Department of Mechanical Engineering, Faculty of Engineering, Istanbul University Cerrahpaşa, 34320 Istanbul, Universite Yolu Bağlariçi, P.O.B. 7, Turkey
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Adem Onat
Affiliation
Department of Machinery and Metal Technologies, Vocational School of Sakarya, Sakarya University of Applied Sciences, 54290 Sakarya, P.O.B. 3, Turkey
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İsmail Saraç
Affiliation
R&D Center, SKT Spare Parts and Machinery Industry and Trade Co., 16140 Bursa, BOSB Ali Osman Sonmez Bulv. 17., Turkey
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Barış Engin
Affiliation
R&D Center, SKT Spare Parts and Machinery Industry and Trade Co., 16140 Bursa, BOSB Ali Osman Sonmez Bulv. 17., Turkey
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Murat Yazıcı
Affiliation
Department of Automotive Engineering, Faculty of Engineering, Bursa Uludag University, 16059 Bursa, Gorukle Kampusu, Turkey
Abstract
This study investigated the crack propagation behavior of the graphene-reinforced synthetic rubber matrix nanocomposite materials. Graphene-filled rubber conductive nanocomposites developed within the scope of this study were obtained in two stages using mechanical mixers. The relationship between crack propagation and electrical resistance change was investigated using single-edge notched specimens in a tensile tester. Digital image correlation (DIC) technique was used to observe the crack resistance function depending on the local strain distribution. The results from the tests were evaluated to define the relationship between the crack length, the amount of conductive filler, and the change in electrical resistance. The sharp edges of the graphene nanoplatelets negatively affected the fracture resistance of the samples. In addition, it was observed that even at low strain values, gaps were formed in the areas close to the crack tip. The three-dimensional transmission network formed by graphene nanoplatelets dispersed in the matrix improved the electrical conductivity properties of the nanocomposites, so the relationship between crack propagation and electrical resistance change was determined.
