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Title
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Prediction of non-propagating fretting fatigue cracks in Ti6Al4V sheet tested under pin-in-dovetail configuration: Experimentation and numerical simulation.
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Sub-Title |
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Subject |
Fretting fatigue, Ti6Al4V, Dovetail, Non-propagating cracks, XFEM
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Sub-Subject |
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Author |
Zeeshan Anjum, Faisal Qayyum, Shahab Khushnood, Sa
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Publish Year |
2015 |
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Supervisor |
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Diss#. |
https://doi.org/10.1016/j.matdes.2015.08.070 |
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Pages |
750–758 |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
This paper presents the results of fretting fatigue tests carried out on Ti6Al4V sheet specimens in contact with
carbide rod in a cylinder-on-flat contact configuration. A new methodology of carrying out fretting fatigue
experiments is proposed and successfully implemented using a pin-in-dovetail and pin-in-hole configuration.
The advantage of this configuration is the simplicity and ease of application. The tests are carried out on MTS
810 at different loads, constant frequency (30 Hz) and ambient conditions. These tests reveal that the crack
initiation and propagation are dependent on the applied load and the configuration of the contact. At low
loads, non-propagating cracks are observed in the pin-in-dovetail configuration using metallurgical microscope.
At high loads these cracks become longer but are still non-propagating. Numerical simulation using elastic–
plastic material model is carried out to determine stress intensity factor and the mode of crack propagation.
Maximum princi
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