Conclusions
From the work presented here, it is clear that the BN-ECT specimen can be used to study the fatigue crack initiation and propagation in metallic specimens. The specimen is easy to fabricate and test; the specimen yields reliable data for short- and long-crack propagation.
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Prabhakaran, R., Piascik, R.S. A blunt notch extended compact tension (BN-ECT) specimen for the study of short and long crack propagation. Exp Tech 21, 24–26 (1997). https://doi.org/10.1111/j.1747-1567.1997.tb00504.x
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DOI: https://doi.org/10.1111/j.1747-1567.1997.tb00504.x