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Keywords: relaxation
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 032201.
Published Online: May 26, 2009
... with time depending on the creep properties and the stiffness of the housing. Assessing relaxation is a key parameter in determining the tightness performance of a valve stem packing over time. An analytical model based on the packing viscoelastic behavior is developed to assess the contact pressures...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 305–313.
Published Online: November 11, 2006
... contact problem is obtained. The objective of this paper is to develop an incremental adaptive computational model capable of handling quasistatic viscoelastic frictionless contact problems. The Wiechert model, as an effective model capable of describing both creep and relaxation phenomena, is adopted...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2005, 127(4): 694–704.
Published Online: May 26, 2005
... of the relaxation time parameter. Variations of T ∕ f with time for the diamond material evaluated at three dimensionless separations. The constant values of T ∕ f are obtained from Archard’s model developed for the steady heat transfer (1) The present analyses provide an effective...