Published December 1, 1991
| Published
Book Section - Chapter
Open
Experimental investigation of dynamic mixed-mode fracture initiation
- Creators
- Lambros, J.
- Mason, J. J.
-
Rosakis, A. J.
- Other:
- Chiang, Fu-Pen
Chicago
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Abstract
The use of a coherent gradient sensing (CGS) apparatus is explored in dynamic fracture mechanics investigations. The ability of the method to accurately quantify mixed-mode crack tip deformation fields is tested under dynamic loading conditions. The specimen geometry and loading follow that of Lee and Freund who give the theoretical and numerical mixed mode K values as a function of time for the testing conditions. The CGS system's measurements of KI and KII are compared with the predicted results, and good agreement is found.
Additional Information
© 1991 Society of Photo-Optical Instrumentation Engineers (SPIE). We would like to thank Prof. L.B. Freund and Dr. Y.J. Lee for their many helpful discussions and for making their numerical data available to us prior to publication. We would also like to thank Dr. H. Tippur for his help and advice given in the early stages of this study. Finally, the support of ONR through Contract N00014-90-J-1340 is gratefully acknowledged.Attached Files
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Additional details
- Eprint ID
- 93077
- Resolver ID
- CaltechAUTHORS:20190221-110520608
- Office of Naval Research (ONR)
- N00014-90-J-1340
- Created
-
2019-02-28Created from EPrint's datestamp field
- Updated
-
2021-11-16Created from EPrint's last_modified field
- Caltech groups
- GALCIT
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 1554