| Title |
Evaluation of Corrosion Characteristics of Pipeline Material(SUS316) for the Geothermal Power Plant |
| Authors |
한지원(Ji Won Han) ; 박영수(Young Su Park) |
| DOI |
http://dx.doi.org/10.6110 /KJACR.2012.24.2.142 |
| Keywords |
부식 ; 부식피로 ; 부식민감성 ; 동전위 분극실험 ; 피로한도 Corrosion ; Corrosion fatigue ; Corrosion susceptibility ; Potentio dynamic polarization ; Fatigue limt |
| Abstract |
In the geothermal power, the geothermal fluid such as water or steam is moved from the ground to turbine a pipeline. Because the geothermal fluid with high temperature contains Cl-and SO4-, It cause to diminish the system lifetime due to the increase in the corrosion of pipeline. In the present work, the characteristics of corrosion and its fatigue of the sus316 which is used in the pipeline are evaluated experimentally. From this study, the following results can be obtained; for the case of the corrosion environment, it is found that the corrosion rate is faster than that of the steam environment by 10 to 30 times, and the corrosion fatigue limit is underestimated compared to that of steam state. |