WRC 419:1997

$40.30

Elevated Temperature Characterization of Flexible Graphite Sheet Materials for Bolted Flanged Joints

Published By	Publication Date	Number of Pages
WRC	1997	102

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Category: WRC

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Description

To better understand the long-term elevated temperature performance of reinforced flexible graphite sheet gaskets installed in a bolted flanged joint, a Pressure Vessel Research Council (PVRC)-sponsored program was launched in 1991 and was extended in 1992-1993 by the participation of a private gasket manufacturer company (Polycarbon, Inc.). The elevated temperature behavior of these gasket materials with and without different types of metallic reinforcement and/or passivating corrosion and oxidation inhibitor has been evaluated according to specific room and elevated test procedures. Their long-term elevated temperature joint behavior has been estimated on the basis of Material Technology Institute of the Chemical Process Industries (MTI)PVRC gasket quantification tools developed in 1986-1987 essentially for elastomeric fiber-reinforced sheet gasket materials and extended to flexible graphite gasketing products. This report presents a summary of the test results obtained and the development of quantification tools for flexible graphite sheet materials that permits the assessment of their probable long-term performance in service in a joint.

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