Spreading Corrosion-Model of Self-Potential Methods, Case Study of Buried Metal Laboratory Scale

Authors

  • Lutfian Rusdi Daryono Hokkaido University
  • Rentyas Hellis Rahmadani Surya Sub-department of Geophysics, Faculty of Mathematics and Sciences, Universitas Gadjah Mada, Yogyakarta
  • Imam Suryanto Department of Geological Engineering, Faculty of Engineering, Universitas Gadjah Mada, Yogyakarta

DOI:

https://doi.org/10.24203/ajas.v6i6.5567

Keywords:

Self-potential, anomalies, corrosion processes, laboratory experiments

Abstract

Self-potential is a geophysical method as an inexpensive, practical, and simply used measurements. Measuring with this as simply used, make it’s become sensitive to noise and causing difficulties with interpretation. As an environment geophysical method, self-potential would give a good interpretational model. One other way to getting a good model to reduced the noise data. The noise reduction developed by making the experiment box model as the only exploration field. Experiment box model is formed by composing paving blocks at the edge of the box. The purpose of the experiment is to analyze the target, which is a massive iron cylinder, as a physical and chemical reaction. The iron placed in the sandbox which has two conditions, half-down wet and half-up dry. The porous pot made from mini straw which is appropriated with the sandbox dimension and target experiment. The experiment took five weeks as periodically measurement.

The results were potential graphics and two-dimension iso-potential maps. Existing of iron-related to large-amplitude potential anomalies around the target. Thus, corrosion-related to compared periodical-maps of anomaly contour area. The difference of anomaly’s pattern in the last two maps might cause the internal changed of the box model. This experiment indicated that self-potential signals can be used to monitor corrosion processes.

Author Biographies

Lutfian Rusdi Daryono, Hokkaido University

PhD., student

Rentyas Hellis Rahmadani Surya, Sub-department of Geophysics, Faculty of Mathematics and Sciences, Universitas Gadjah Mada, Yogyakarta

Researcher

Imam Suryanto, Department of Geological Engineering, Faculty of Engineering, Universitas Gadjah Mada, Yogyakarta

Lecturer

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Published

2018-12-19

How to Cite

Daryono, L. R., Surya, R. H. R., & Suryanto, I. (2018). Spreading Corrosion-Model of Self-Potential Methods, Case Study of Buried Metal Laboratory Scale. Asian Journal of Applied Sciences, 6(6). https://doi.org/10.24203/ajas.v6i6.5567

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