Fretting-wear is a common problem in different industries, especially when it comes to interactions between metallic components. Flow-induced excitation forces in heat exchangers for instance cause tube-support interactions. The long-term interaction is an important phenomenon, which may cause fretting-wear of the tubes. Experimental tests of the interaction show the occurrence of stick–slip intermittent behavior in the tube response. To precisely simulate the intermittent stick–slip behavior, it is crucial to refine the conceptual model of the coefficient of friction for the entire motion from absolute zero velocity to gross slip phase. The incorporated friction model plays an important role in the determination of the level of fretting-wear in the system. The friction model should satisfy two important criteria. The first important aspect is the strategy of the friction model to detect the cessation of sticking, the beginning of partial-slipping, and establishment of the sliding region. The second important aspect is defining a friction coefficient function for the entire system response to precisely represent the transient stick–slip regions. In the present work, the velocity-limited friction model was compared with the LuGre model, which is a rate-dependent friction model. The effect of varying the break-away force and Stribeck effect on the stick–slip region were also investigated. Furthermore, the criteria to demarcate the stick–slip region in the LuGre model are discussed, and a different method to incorporate the Stribeck effect and presliding damping in the Dahl friction model is proposed. Using the tangential stress distribution in the contact area, a new hybrid spring-damper friction model is developed. The model is able to estimate the elastic, plastic, and partial-slipping distances during the relative motion. The ability of the model to reproduce experimental tests is investigated in the present work.
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of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
e-mail: reza.azizian@polymtl.ca
of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
e-mail: njuki.mureithi@polymtl.ca
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June 2014
Research-Article
Numerical Analysis of Fretting-Wear With a Hybrid Elastoplastic Friction Model
Reza Azizian,
of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
e-mail: reza.azizian@polymtl.ca
Reza Azizian
1
BWC/AECL/NSERC Chair
of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
Montreal
, Canada
e-mail: reza.azizian@polymtl.ca
1Corresponding author.
Search for other works by this author on:
Njuki Mureithi
of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
e-mail: njuki.mureithi@polymtl.ca
Njuki Mureithi
BWC/AECL/NSERC Chair
of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
Montreal
, Canada
e-mail: njuki.mureithi@polymtl.ca
Search for other works by this author on:
Reza Azizian
BWC/AECL/NSERC Chair
of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
Montreal
, Canada
e-mail: reza.azizian@polymtl.ca
Njuki Mureithi
BWC/AECL/NSERC Chair
of Fluid-Structure Interaction,
Department of Mechanical Engineering,
École Polytechnique de Montréal,
Montreal
, Canada
e-mail: njuki.mureithi@polymtl.ca
1Corresponding author.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the Journal of Pressure Vessel Technology. Manuscript received May 28, 2012; final manuscript received September 12, 2013; published online February 28, 2014. Assoc. Editor: Hardayal S. Mehta.
J. Pressure Vessel Technol. Jun 2014, 136(3): 031303 (11 pages)
Published Online: February 28, 2014
Article history
Received:
May 28, 2012
Revision Received:
September 12, 2013
Citation
Azizian, R., and Mureithi, N. (February 28, 2014). "Numerical Analysis of Fretting-Wear With a Hybrid Elastoplastic Friction Model." ASME. J. Pressure Vessel Technol. June 2014; 136(3): 031303. https://doi.org/10.1115/1.4025446
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