The effect of interference-fit on fretting fatigue crack initiation and K of a single pinned plate in 7075 Al-alloy
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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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.
|Creators||Mirzajanzadeh, M., Chakherlou, T. N. and Vogwell, J.|
|Uncontrolled Keywords||interference fit, finite element, fatigue life, stress intensity factor, fretting|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
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