Contact Stress and Contact Width Analysis of Corrugated Metal Gasket

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Previous studies on corrugated metal gaskets have established that the contact width, contact stress, and surface roughness are important design parameters for optimizing gasket performance. However, the contact stress and contact width considering the surface roughness when the leakage occur did not defined yet. In this study, we determined the real contact stress and contact width when leakage started on 25A-size metal gasket. The contact width determined through a comparison between simulation and experimental results. The contact stress determined through a simulation analysis. The experiment involves a helium leakage test using new metal gaskets having different surface roughness levels. The result justified that the real contact width and average contact stress when the leakage started occur were 0.195mm and 800MPa, respectively. There is a good agreement for contact width both by simulation and experiment result. The contact width for flange having surface roughness 1.5μm is longest than the others.

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Edited by:

Guanghsu Chang, Jieh-Shian Young and Wirachman Wisnoe

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765-769

Citation:

D. Nurhadiyanto et al., "Contact Stress and Contact Width Analysis of Corrugated Metal Gasket", Applied Mechanics and Materials, Vols. 799-800, pp. 765-769, 2015

Online since:

October 2015

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$38.00

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