Photoelastic Studies on Rubber-to-Rubber Joints |
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Authors: | Amalendu Sarkar Anil K. Bhowmick Swapan Majumdar |
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Affiliation: | a Rubber Technology Centre, Indian Institute of Technology, Kharagpur, INDIAb Department of Civil Engineering, Indian Institute of Technology, Kharagpur, INDIA |
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Abstract: | Photoelasticity is a method which yields information on the principal stress difference and orientation in a composite structure. Various problems associated with this technique, especially those concerning the fundamental relationship between the fringe order and the stress, have yet to be investigated. A few studies of this relationship in a universal stress state have been presented, particularly in the field of rubber-to-metal and rubber-to-fabric composites, but no evaluations have so far been made in the field of rubber-to-rubber joints. Applying the photoelastic method, we report our observations on the stress distribution in a natural rubber to natural rubber joint subjected to uniaxial tension. A comparison between the results of experimental photoelastic studies and the corresponding computer modelling has been illustrated. The theoretical displacement pattern of the angular joints of bi-rubber part has also been highlighted. |
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Keywords: | photoelasticity finite element analysis (FEA) joint composite adhesion computer modelling natural rubber |
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