Further developments in high-speed detection of rail rolling contact fatigue using ACFM techniques

Mayorkinos Papaelias; C Roberts; Claire Davis; B Blakeley; M Lugg

doi:10.1784/insi.2010.52.7.358

Further developments in high-speed detection of rail rolling contact fatigue using ACFM techniques

Mayorkinos Papaelias, C Roberts, Claire Davis, B Blakeley, M Lugg

Metallurgy and Materials

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

The performance of existing ultrasonic and magnetic flux leakage techniques in detecting rail surface-breaking defects such as head checks and gauge corner cracking is inadequate during high-speed inspection, while eddy current sensors suffer from lift-off effects. Early detection of such rail defects is of paramount importance since a single crack can potentially lead to fatigue failure. The results obtained through rail inspection experiments under simulated conditions using an alternating current field measurement (ACFM) micro-pencil probe suggest that this technique can be applied for the accurate and reliable detection of surface-breaking defects at high inspection speeds.

Original language	English
Pages (from-to)	358-360
Number of pages	3
Journal	Insight - Non-Destructive Testing and Condition Monitoring
Volume	52
Issue number	7
DOIs	https://doi.org/10.1784/insi.2010.52.7.358
Publication status	Published - 1 Jul 2010

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10.1784/insi.2010.52.7.358

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abstract = "The performance of existing ultrasonic and magnetic flux leakage techniques in detecting rail surface-breaking defects such as head checks and gauge corner cracking is inadequate during high-speed inspection, while eddy current sensors suffer from lift-off effects. Early detection of such rail defects is of paramount importance since a single crack can potentially lead to fatigue failure. The results obtained through rail inspection experiments under simulated conditions using an alternating current field measurement (ACFM) micro-pencil probe suggest that this technique can be applied for the accurate and reliable detection of surface-breaking defects at high inspection speeds.",

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AB - The performance of existing ultrasonic and magnetic flux leakage techniques in detecting rail surface-breaking defects such as head checks and gauge corner cracking is inadequate during high-speed inspection, while eddy current sensors suffer from lift-off effects. Early detection of such rail defects is of paramount importance since a single crack can potentially lead to fatigue failure. The results obtained through rail inspection experiments under simulated conditions using an alternating current field measurement (ACFM) micro-pencil probe suggest that this technique can be applied for the accurate and reliable detection of surface-breaking defects at high inspection speeds.

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Further developments in high-speed detection of rail rolling contact fatigue using ACFM techniques

Abstract

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