This paper proposes a novel strain hardening model for investigating gasket creep relaxation under compressive step-loading at room temperature. A closed form solution is developed for predicting the steady-state gasket pressure. Step-loading of the gasket may be directly achieved and controlled, or indirectly estimated through the bolt tightening and re-tightening torque. The effect of gasket material, time duration at each stress level, as well as the geometric parameters of the gasket is investigated. An experimental procedure and test set-up are used to validate the proposed gasket model.
Formulation of a Strain Hardening Model for Gasket Creep Relaxation
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Abboud, A, & Nassar, SA. "Formulation of a Strain Hardening Model for Gasket Creep Relaxation." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 2: Computer Technology and Bolted Joints. Baltimore, Maryland, USA. July 17–21, 2011. pp. 253-263. ASME. https://doi.org/10.1115/PVP2011-57386
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