Analysis of Chemical Degradative Effects on Low Voltage PVC Insulation Using DSC

K.R. Balasubramanian; S.P. Sivapirakasham; Jiss Mathew

doi:10.4028/www.scientific.net/AMM.592-594.2475

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 592-594Analysis of Chemical Degradative Effects on Low...

Analysis of Chemical Degradative Effects on Low Voltage PVC Insulation Using DSC

Abstract:

PVC insulation has extensively been used for insulating low voltage electrical cables. They offer superior insulating properties but how ageing and exposure could affect their insulation properties is a matter of concern. Chemical exposure related failure modes are known but have received only limited study. The traditional testing methods like insulation testing could only test whether the present properties are satisfactory. The application of thermal analysis methods like differential scanning calorimetry could identify the variation in thermal characteristics with respect to ageing and chemical exposure. Polluted environments may cause a direct attack upon a polymer. It has been concluded that significant changes in the behavior of insulation occurs in acidic environment that may lead to insulation failures.

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Periodical:

Applied Mechanics and Materials (Volumes 592-594)

Pages:

2475-2480

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.592-594.2475

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Online since:

July 2014

Authors:

K.R. Balasubramanian*, S.P. Sivapirakasham, Jiss Mathew

Keywords:

Chemical Exposure, Differential Scanning Calorimetry (DSC), Exposed Samples, Polyvinyl Chloride (PVC)

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References

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