Microscopic Study on the Natural Rubber with Different Carbon Loadings under Compression: SMR CV-60 AND ENR 25

I.R.A. Rosszainily, M.A. Salim, M.T. Musthafah, A. Md. Saad


This study presents the microscopic investigation related to the effects of compression on the local natural rubber (NR): the standard Malaysian rubber constant viscosity-60 (SMR CV-60) and the epoxidized natural rubber 25% mole (ENR 25) at four different carbon loadings (0, 20, 40 and 60 pphr). The surface morphology of both NR was studied by using scanning electron microscope (SEM). The results showed that a packed and folded surface was observed on the SMR CV-60 while a crumpled surface was observed on the ENR 25. However, the packed and folded and the crumpled surfaces were decreased as the carbon loading in NR compound was increased. It also showed that the applied compression does not exhibit any significant effects on both compound since the damages only found on the outer layer of rubber surface. The experimental value shows that the NR deflection in response to the compression is reduced as the carbon loading increase. The SMRCV60/0 and ENR25/0 have recorded the highest deflection due to the compression. Meanwhile, the SMRCV60/60 and the ENR25/60 has recorded the lowest deflection under the compression. Through this study, it is found that the compression force does not contribute to the NR compound failure.

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M.A. Salim, A. Putra, M.R. Mansor, M.T. Mustafah, M.Z. Akop, M.A. Abdullah, M.N. Abdul Rahman, M.N. Sudin and M.A. Shaharuzaman, “Sustainable of laminated rubber-metal spring in transverse vibration”, Procedia Chemistry, vol. 19, pp. 203–210, 2016.

M.A. Salim, A. Putra and M.A. Abdullah, “Analysis of axial vibration in laminated rubber metal spring”, Advance Material Science, vol. 845, pp. 46–50, 2014.

M.A. Salim, A. Putra, D. Thompson and N. Ahmad, “Transmissibility of a laminated rubber-metal spring: A preliminary study”, Applied Mechanics and Materials, vol. 393, pp. 661–665, 2013.

M.A. Salim, A. Putra, M.A. Abdullah and N. Ahmad, “Development of laminated rubber-metal spring using standard malaysian rubber constant viscosity-60”, International Review of Mechanical Engineering, vol. 8, pp. 761–765, 2014.

J.G. Sommer and O.H. Yeoh, Tests and Specifications, in Engineering with Rubber: How to Design Rubber Components, 3rd Edition. Munich: Hanser Publishers, 2012.

A.N. Gent, Engineering with Rubber: How to Design Rubber Component. Munich: Hanser Publication, 2012.

Y. Zhang, S. Ge, B. Tang, T. Koga, M.H. Rafailovich, J.C. Sokolov, D.G. Peiffer, Z. Li, A.J. Dias, K.O. Mcelrath, M.Y. Lin, S.K. Satija, S.G. Urquhart, H. Ade and D. Nguyen, “Effect of carbon black and silica fillers in elastomer blends”, Macromolecules, vol.34, pp. 7056–7065, 2001.

J.B. Donnet, “Nano and microcomposites of polymers elastomers and their reinforcement”, Composites Science and Technology, vol. 63, pp. 1085–1088, 2003.

J.L. White and K.J. Kim, Thermoplastic and Rubber Compounds: Technology and Physical Chemistry, 1st Edition. Munich: Hanser Publication, 2008.

J. Fröhlich, W. Niedermeier, and H.D. Luginsland, “The effect of filler–filler and filler–elastomer interaction on rubber reinforcement”, Composites Part A: Applied Science and Manufacturing, vol. 36, pp. 449–460, 2005.

W. Hofmann, Rubber Technology Handbook. USA: Oxford University Press, 1989.

J.E. Mark, The Science and Technology of Rubber, 4th Edition. USA: Academic press, 2013.

N. Rattanasom and S. Prasertsri, “Relationship among mechanical properties, heat ageing resistance, cut growth behaviour and morphology in natural rubber: partial replacement of clay with various types of carbon black at similar hardness level”, Polymer Testing, vol. 28,no.3, pp. 270–276, 2009.

M.N.A. Rejab, R.A. Rahman, R.I.R. Hamzah, J.I.I. Hussain, N. Ahmad, A. Ismail and A. Putra, “Fabricating process and mechanical properties of elastomeric mount”, in the 7th South East Asia Technical University Consortium Symposium Institut Teknologi Bandung, Bandung, Indonesia, 2013, pp. 4–6.

I.R.A. Rosszainily, M.A. Salim, M.T. Musthafah, A.M. Saad, M.A. Rahman and M.N. Sudin, “Effects of carbon loading on the mechanical properties for vulcanized epoxidised natural rubber 25”, International Review of Mechanical Engineering, vol. 10, pp. 357–363, 2016.

A.I. Kasner and E.A. Meinecke, “Porosity in rubber, a review”, Rubber Chemistry and Technology, vol. 69,no.3, pp. 424–443, 1996.

J.S. Dick, How To Improve Rubber Compounds: 1800 Experimental Ideas For Problem Solving, 2nd Edition. Munich: Hanser Publication, 2014.

T.A. Osswald and G. Menges, Materials Science of Polymer for Engineers, 2nd Edition. Munich: Hanser Publication, 2012.

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