Simulasi: Laju Korosi Baja Pelampung Di Media Air Laut Berombak

Authors

  • dody prayitno program studi magister teknik mesin, universitas trisakti

DOI:

https://doi.org/10.33021/jtmm.v9i1.4982

Keywords:

Baja, Korosi, Ombak, Pelampung, Anoda Korban

Abstract

Baja dapat diaplikasikan sebagai material pelampung contoh pelampung pada Pembangkit Listrik Tenaga Gelombang Laut (PLTGL). Pelampung akan kontak langsung dengan air laut sehingga dapat terkorosi. Penelitian ini bertujuan untuk mengetahui karakteristik laju korosi baja sebagai pelampung dalam media air laut yang berombak. Metode: sampel baja adalah S45C, SS 400 dan SPAH 3125. Sampel baja dilekatkan pada tepi (sisi) stryofoam dan bawah stryrofoam. Styrofoam lalu diapungkan diatas media air laut pada sebuah mesin simulasi ombak. Sampel pada tepi (sisi) styrofoam akan mendapat deburan ombak. Sampel yang berlokasi di bawah Styrofoam tidak mendapat deburan ombak. Pengukuran korosi menggunakan metode kehilangan berat. Kesimpulan. Sampel yang diletakkan pada tepi pelampung memiliki laju korosi yang berbeda. Pada zona atmosfir laju korosi hampir dikatakan tidak ada. Pada zona terpercik, laju korosi tertinggi. Laju korosi kemudian menurun di zona pasang surut (tidal zone). Sampel berada dibawah pelambung laju korosinya paling rendah. Pemakaian anoda korban menurunkan laju korosi untuk sampel yang diletakkan ditepi pelampung maupun dibawah pelampung.

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Published

2024-04-10

Issue

Vol. 9 No. 1 (2024): Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics)

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Articles

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