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PENGARUH INHIBITOR NATRIUM KROMAT TERHADAP LAJU KOROSI PADA KOMPONEN RADIATOR SISTEM PENDINGIN MOBIL

Automotive Science and Education Journal · Vol. 9 No. 1 (2020) · hlm. 18–24

ISSN
2829-5080, 2252-6595
Terbit
2020-12-01
Penerbit
Jurusan Teknik Mesin, Fakultas Teknik Universitas Negeri Semarang
Bahasa
eng

Abstrak

Radiator is one of the engine cooling system components that has leakage problems due to corrosion. The leakage in the cooling system can cause bad effects namely overheating. This study aims to find out the effect of sodium chromate inhibitors (Na2CrO4) can reduce the corrosion rate of car radiator components and find out the type of corrosion that occurs in car radiator components in aquades environment. The research method used is a real experiment. The corrosion testing was conducted by specimens immersing from aluminum radiators. The specimen was immersed in distilled water solution with variations in the addition of sodium chromate inhibitors of 0%, 0.3%, 0.5% and 0.7%. The micro photo testing used an optical microscope to determine the type of corrosion. The analysis in this study is descriptive statistical analysis. The results of this study indicated of the corrosion rate of aluminum in an aquades environment without inhibitors is 0.0084 mmpy. Meanwhile the corrosion rate of aluminum decreased with the addition of sodium chromate inhibitors (0.3% by 0.0053 mmpy, 0.5% by 0.0051 mmpy and 0.7% by 0.0043 mmpy). Thus the use of sodium chromate inhibitors can extend the life / time of using aluminum radiators. While the type of corrosion that occurs is pitting corrosion.

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  • State University of Semarang
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Rekan penulisOrganisasiArtikel bersama
Parmin ParminState University of Semarang1
Suharto SuhartoAfiliasi tidak diketahui1
Ida ZulaehaAfiliasi tidak diketahui1
Maria Ayu PuspitaAfiliasi tidak diketahui1
Bayu Tri PrasojoAfiliasi tidak diketahui1
Farid AhmadiAfiliasi tidak diketahui1
Arief WidiyatmokoAfiliasi tidak diketahui1
Dyah Rini IndriyantiAfiliasi tidak diketahui1
Muh. Elvio Putra KresnadiAfiliasi tidak diketahui1
Dwi WidjanarkoAfiliasi tidak diketahui1
Masugino MasuginoAfiliasi tidak diketahui1
M Arief Alfi ArdianAfiliasi tidak diketahui1
Septian Chandra MaulanaAfiliasi tidak diketahui1
M. Bagus Zaen W.H.Afiliasi tidak diketahui1
Ahmad Syarifudin JamalAfiliasi tidak diketahui1
Anung PrianandaAfiliasi tidak diketahui1
Muhammad BadruttamamAfiliasi tidak diketahui1
Rido FirdausAfiliasi tidak diketahui1
Ratnasari Dyah UtamiAfiliasi tidak diketahui1
Dani SusantoAfiliasi tidak diketahui1
M Burhan Rubai WijayaAfiliasi tidak diketahui1
Nugroho Kusumo Bayu AjiAfiliasi tidak diketahui1
Muhammad KhumaediAfiliasi tidak diketahui1
Dian Restu NugrohoAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/sju/index.php/asej/oai, pertama di-harvest 5 Nov 2026, terakhir terlihat 5 Nov 2026.
Metadata asli (oai_dc)
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	<dc:title xml:lang="en-US">PENGARUH INHIBITOR NATRIUM KROMAT TERHADAP LAJU KOROSI PADA KOMPONEN RADIATOR SISTEM PENDINGIN MOBIL</dc:title>
	<dc:creator>Khan, Muhammad Akyas</dc:creator>
	<dc:creator>Hadromi, Hadromi</dc:creator>
	<dc:description xml:lang="en-US">Radiator is one of the engine cooling system components that has leakage problems due to corrosion. The leakage in the cooling system can cause bad effects namely overheating. This study aims to find out the effect of sodium chromate inhibitors (Na2CrO4) can reduce the corrosion rate of car radiator components and find out the type of corrosion that occurs in car radiator components in aquades environment.&amp;nbsp;The research method used is a real experiment. The corrosion testing was conducted by specimens immersing from aluminum radiators. The specimen was immersed in distilled water solution with variations in the addition of sodium chromate inhibitors of 0%, 0.3%, 0.5% and 0.7%. The micro photo testing used an optical microscope to determine the type of corrosion. The analysis in this study is descriptive statistical analysis. The results of this study indicated of the corrosion rate of aluminum in an aquades environment without inhibitors is 0.0084 mmpy. Meanwhile the corrosion rate of aluminum decreased with the addition of sodium chromate inhibitors (0.3% by 0.0053 mmpy, 0.5% by 0.0051 mmpy and 0.7% by 0.0043 mmpy). Thus the use of sodium chromate inhibitors can extend the life / time of using aluminum radiators. While the type of corrosion that occurs is pitting corrosion.</dc:description>
	<dc:publisher xml:lang="en-US">Jurusan Teknik Mesin, Fakultas Teknik Universitas Negeri Semarang</dc:publisher>
	<dc:date>2020-12-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/sju/asej/article/view/41289</dc:identifier>
	<dc:source xml:lang="en-US">Automotive Science and Education Journal; Vol 9 No 1 (2020): Automotive Science and Education Journal; 18-24</dc:source>
	<dc:source>2829-5080</dc:source>
	<dc:source>2252-6595</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/sju/asej/article/view/41289/17478</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2020 Automotive Science and Education Journal</dc:rights>
</oai_dc:dc>