Marker layer technology: advanced crack detection in elastomeric bearings

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Date
2015
Authors
Halladay, J.R.
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Abstract
Helicopter elastomeric bearings are typically replaced "on condition", that is, once elastomer fatigue degradation has reached a prescribed depth, the bearings are removed from service. To simplify inspection and enable proactive maintenance, LORD Corporation has developed marker layer technology using a contrasting color elastomer to visually indicate that a bearing is approaching the end of its service life.
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