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Modeling of Environmentally Assisted Fatigue Crack Growth Behavior by Daniel Kujawski; Phani C.R. Sree is a Materials Science article available to read on EtoBox.
What is Modeling of Environmentally Assisted Fatigue Crack Growth Behavior about?
## Abstract It is well recognized that environment has a significant role on the failure of mechanically loaded structures. In most cases of cyclic loading, fatigue crack growth (FCG) behavior exhibits lower threshold and faster growth rate in air than in vacuum. It is well documented that the effect of loading frequency on FCG behavior can be more pronounced in aggressive environment/material systems. This is seen in the __K__ ~max~ term of the FCG. On the other hand, a weak dependence of FCG behavior with __R__ ratio in inert environment indicates that a crack extension is governed mainly by Δ__K__. Existing experimental data indicate that the actual crack extension per cycle is associated with the rising part of the load cycle than the unloading part. In this paper, the synergetic role of environment and mechanical loading on crack growth behavior is considered to see their roles on FCG. In this article, we attempt to model how crack extension interplays between a crack-tip opening and crack-tip blunting angle associated with the applied load and environment, respectively. To support such a model for discussion, we have selected limited FCG data taken from literature correspondi
Who reads Modeling of Environmentally Assisted Fatigue Crack Growth Behavior?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Daniel Kujawski; Phani C.R. Sree
- Publisher
- Walter de Gruyter GmbH
- Published
- 2015
- Language
- EN
- Field
- Materials Science (Physical Sciences)