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dc.contributor.author Rathnayaka, RMPC
dc.contributor.author Madushani, HDT
dc.contributor.author Weragoda, VSC
dc.contributor.editor Sivahar, V
dc.contributor.editor Sitinamaluwa, HS
dc.date.accessioned 2022-03-16T03:38:26Z
dc.date.available 2022-03-16T03:38:26Z
dc.date.issued 2019-01
dc.identifier.citation Rathnayaka, R.M.P.C., Madushani, H.D.T., & Weragoda, V.S.C. (2019). Development of a lab scale dynamic mechanical analyzer [Abstract]. In V. Sivahar & H.S. Sitinamaluwa (Eds.), Dreams to reality through innovative materials (p. 21). Department of Materials Science and Engineering, University of Moratuwa. en_US
dc.identifier.uri http://dl.lib.uom.lk/handle/123/17381
dc.description.abstract Dynamic mechanical properties refer to the response of a material when it is subjected to a periodic strain. Dynamic mechanical analysis (DMA) is an important technique used to measure the mechanical and viscoelastic properties of materials such as thermoplastics, thermosets and elastomers. The aim of this research is to study the Dynamic Mechanical behavior of elastomer compounds by developing a lab-scale dynamic mechanical analyzer. The apparatus was designed to record a test specimen's reaction force when a systematically varying gradual strain development is applied. The phase difference between the applied strain and the material's response in terms of force was used to estimate the storage modulus and loss modulus to analyze the material properties. Furthermore, the dynamic modulus, dynamic loss modulus, and the mechanical damping coefficient of the elastomer could be estimated using the developed dynamic mechanical analyzer. The values obtained using the developed apparatus showed a fairly good agreement with the values for the same compound obtained from Prescott instruments ODR. The deviations were within 3.5%. One of the major shortcomings of the apparatus was the fact that the operating frequency was limited to IHz and there is no provision for carrying out measurements in varying temperature conditions. en_US
dc.language.iso en en_US
dc.publisher Department of Materials Science and Engineering en_US
dc.subject Dynamic mechanical analysis en_US
dc.subject Loss modulus en_US
dc.subject Storage modulus en_US
dc.subject Dynamic modulus en_US
dc.title Development of a lab scale dynamic mechanical analyzer en_US
dc.type Conference-Abstract en_US
dc.identifier.faculty Engineering en_US
dc.identifier.department Department of Materials Science and Engineering en_US
dc.identifier.year 2019 en_US
dc.identifier.conference Materials Engineering Symposium on Innovations for Industry 2019 en_US
dc.identifier.place Katubedda en_US
dc.identifier.pgnos p. 21 en_US
dc.identifier.proceeding Dreams to reality through innovative materials en_US
dc.identifier.email sampathw@uom.lk en_US


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