The Proceedings of the Materials and Mechanics Conference
Online ISSN : 2424-2845
2018
Session ID : OS0229
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Evaluation of Long-term Viscoelastic Properties of Gasket Material at Elevated Temperature by Indentation Technique
(Effect of Particulate-filler on Creep Characteristics)
*Yuki SEMAHirokazu TSUJI
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

In order to give creep resistance to the PTFE gasket, a particulate-filler is compounded. Indentation test was carried out using TMA with Berkovich indenter to evaluate the viscoelastic characteristics of a PTFE based sheet gasket. The time-temperature superposition principle was applied to obtain the master curve of the creep compliance of gasket material at elevated temperature. The shift factor was arbitrarily determined. We found that the higher the blending ratio gets, the stronger the creep resistance becomes by examining the influence of this particulate-filler blending ratio on creep characteristics of gasket.

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© 2018 The Japan Society of Mechanical Engineers
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