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ANALYSIS OF AlMg 3 MATERIAL CORROSION AS RSG-GAS BEAM TUBE

Febrianto Bahar, FB and Elfrida Saragi1, ES and Abdul Hafid, AH and Sriyono, SY and Dyah Erlina Lestari, DEL (2016) ANALYSIS OF AlMg 3 MATERIAL CORROSION AS RSG-GAS BEAM TUBE. In: Prosiding Seminar Nasional Teknologi Energi Nuklir 2016, 4-5 Agustus 2016, BATAM.

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Abstract

ABSTRACT ANALYSIS OF AlMg 3 MATERIAL CORROSION AS RSG-GAS BEAM TUBE MATERIAL. Reaktor Serba Guna G.A. Siwabessy (RSG-GAS) has been operated almost for 30 years. After operation for 30 years, degradation and corrosion are possibly occur at reactor components and structure materials. Material degradation possible occurs at RSG GAS neutron beam tube that consists of AlMg 3 material. The purpose of this study is to observe the temperature and chloride ion effect to AlMg 3 material. The method that used in this research is by observing the corrosion rates of AlMg 3 material in NaCl concentration at several temperature conditions using Potentiostate. Tests were conducted in 28, 30, 35, 40 and 45 ° C. The AlMg 3 material corrodes in solution containing NaCl solution. The corrosion rates increased with increasing temperature. The results showed that corrosion rate for the AlMg 3 material were very small and the highest corrosion rate occur at 45 ° C and 0.1 ppm NaCl addition, that is 4,69 x 10 -3 mpy. The media conductivity also has an effect to AlMg 3 corrosion rate where the higher media conductivity the higher AlMg 3 material corrosion rate occur. Key words: degradation, corrosion, structure materials, neutron beam tube, corrosion rates ABSTRAK ANALISIS KOROSI AlMg 3 SEBAGAI MATERIAL BEAM TUBE RSG-GAS . Reaktor Serba Guna G.A. Siwabessy (RSG-GAS) telah beroperasi hampir 30 tahun. Setelah beroperasi sekian lama dimungkinkan terjadinya degradasi dan proses korosi pada material struktur dan komponen dari reaktor. Degradasi material mungkin juga terjadi pada material tabung berkas neutron (beam tube) dari reaktor RSG-GAS yang terbuat dari, AlMg 3 . Tujuan dari penelitian ini untuk melihat pengaruh temperatur dan ion klorida terhadap material AlMg 3 . Metoda yang digunakan untuk mendapatkan data laju korosi dengan menggunakan metoda Potensiotat. Penelitian dilakukan pada 28, 30, 35, 40 and 45 ° C. Material AlMg 3 terkorosi dalam media yang mengandung ion klorida. Laju korosi meningkat dengan naiknya temperatur. Diharapkan dari kegiatan ini didapatkan data tentang laju korosi material AlMg 3 yang digunakan sebagai material tabung berkas neutron. Dari hasil pengujian di dapat bahwa laju korosi material AlMg 3 sangat kecil dan laju korosi paling tinggi terjadi pada temperature 45 ° C dengan penambahan NaCl 0,1 ppm, yakni 4,69 x 10 -3 mpy. Konduktifitas media juga mempunyai pengaruh terhadap laju korosi dimana semakin besar konduktifitas media semakin besar laju korosi AlMg 3

Item Type: Conference or Workshop Item (Paper)
Subjects: Keselamatan dan Keamanan Nuklir
Divisions: Pusat Teknologi dan Keselamatan Reaktor Nuklir
Depositing User: USER PTKRN BATAN
Date Deposited: 16 May 2018 08:05
Last Modified: 16 May 2018 08:05
URI: http://repo-nkm.batan.go.id/id/eprint/1577

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