EFFECT OF SIDE-GROOVES ON FATIGUE CRACK RETARDATION |
| |
| Authors: | J. P. Hess A. F. Grandt Jr A. Dumanis |
| |
| Affiliation: | School of Aeronautics and Astronautics, Purdue University, W. Lafayette, IN 47907, U.S.A. |
| |
| Abstract: | Abstract— This paper describes results of an experimental program conducted to determine the influence of deep side-grooves on fatigue crack retardation. The results indicate that side-grooves significantly reduce the delay in fatigue crack growth caused by single peak overloads. It is suggested that the decreased retardation is due to simulation of plane strain conditions in the “thin” test sections by the stress field at the root of the side-groove. |
| |
| Keywords: | |
|
|
