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Filtering by: Creator Gallops, S. Resource Type Article

Fatigue threshold R-curves predict small crack fatigue behavior of bridging toughened materials

Creator:

Gallops, S., Fett, T., Ager, J. W., III, and Kruzic, J. J.

Abstract:

Small crack fatigue is a widely recognized problem in the fatigue of materials; however, there has been limited progress in developing methods for predicting small crack fatigue behavior. In this paper, small crack effects due to crack bridging are addressed. A fatigue threshold R-curve was measured for a 99.5% pure...

Resource Type:

Article
A direct comparison of non-destructive techniques for determining bridging stress distributions

Creator:

Greene, R. B., Gallops, S., Fuenfschilling, S., Fett, T., Hoffmann, M. J., Ager, J. W., III, and Kruzic, J. J.

Abstract:

Crack bridging is an important source of crack propagation resistance in many materials and the bridging stress distribution as a function of crack opening displacement is widely believed to represent a true material property uninfluenced by sample geometry, loading conditions, and other extrinsic factors. Accordingly, accurate measurement of the bridging...

Resource Type:

Article

Full Text:

-destructive techniques for determining bridging stress distributions R.B. Greene a, S. Gallops a, S