SEDL / STP / STP1060-EB / STP23443S

Measurement and Analysis of Surface Cracks in Tubular Threaded Connections

Newport, A
Research assistant, University College London, London,

Glinka, G
Associate professor, University of Waterloo, Ontario,

Pages: 17    Published: Jan 1990

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Abstract

The results from fatigue tests on large-scale, hollow-threaded connections are presented. The fatigue crack depths and profiles were monitored during the tests using the alternating-current (a-c) field measurement technique. The crack growth data have been used to validate the weight function approach used in conjunction with a through-thickness stress distribution to calculate suitable stress-intensity factors for threaded connections.