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The effect of interference-fit on fretting fatigue crack initiation and K of a single pinned plate in 7075 Al-alloy


Reference:

Mirzajanzadeh, M., Chakherlou, T. N. and Vogwell, J., 2011. The effect of interference-fit on fretting fatigue crack initiation and K of a single pinned plate in 7075 Al-alloy. Engineering Fracture Mechanics, 78 (6), pp. 1233-1246.

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Official URL:

http://dx.doi.org/10.1016/j.engfracmech.2011.01.006

Abstract

The effect of interference-fit on fretting fatigue crack initiation and K was studied numerically for available experimental results in a single pinned plate in Al-alloy 7075-T6. The role of interference ratio was investigated alongside friction coefficient through finite element. Cyclic stress distributions in the plate ligament and fretting stresses on the contact interface were evaluated using 3-D elastic-plastic finite element models. Additionally a 3-D elastic finite element model was utilized to discuss K of cracks emanating from interference fitted holes. Results demonstrate that fretting was the main reason for crack nucleation, and furthermore, the location was precisely predicted and fatigue life enhancement was explained.

Details

Item Type Articles
CreatorsMirzajanzadeh, M., Chakherlou, T. N. and Vogwell, J.
DOI10.1016/j.engfracmech.2011.01.006
Uncontrolled Keywordsinterference fit, finite element, fatigue life, stress intensity factor, fretting
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
RefereedYes
StatusPublished
ID Code22715

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