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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chong, Sang Ok Kim, Seong Jong Jeong, Jae Yong |
| Copyright Year | 2016 |
| Abstract | As high-speed machines have been developed in marine and offshore industry cavitation damage due to the high speed of rotation of a fluid has been gradually increasing. The damage on the material’s surface is a combination of electrochemical corrosion due to the passivity of the films being destroyed by Cl$^{−}$ and cavitation erosion due to the collapse of cavity bubbles. Hence, in this paper, the damage mechanisms for electrochemical corrosion and physical pressure for 415 stainless-steel cavities were evaluated in seawater solutions. The experiments included a galvanostatic experiment in a cavitation environment and a cavitation test with an ultrasonic amplitude of 30 µm at various times. The complex damage behaviors were compared and analyzed by scanning electron microscope (SEM) and 3D microscopy after completion of the experiment. As a result of the galvanostatic experiment under a cavitation condition in seawater, damage under a cavitation condition owing to the water cavitation peening effect was relatively less compared to that under a static condition. |
| Starting Page | 368 |
| Ending Page | 372 |
| Page Count | 5 |
| File Format | |
| ISSN | 03744884 |
| Journal | Journal of the Korean Physical Society |
| Volume Number | 68 |
| Issue Number | 2 |
| e-ISSN | 19768524 |
| Language | English |
| Publisher | The Korean Physical Society |
| Publisher Date | 2016-02-02 |
| Publisher Place | Seoul |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Passivity film Stainless steel Theoretical, Mathematical and Computational Physics Cavitation Physics Particle and Nuclear Physics Water cavitation peening |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
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