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Comparative study on the corrosion behavior of TiCN-coated austenitic and ferritic stainless steels in geothermal environments

Teknomekanik · Vol. 9 No. 2 (2026) · hlm. 137–161

DOI
10.24036/teknomekanik.v9i2.44172
ISSN
2621-8720, 2621-9980
Terbit
2026-05-24
Penerbit
Universitas Negeri Padang
Bahasa
eng
Lisensi
creativecommons.org/licenses/by/4.0

Abstrak

Corrosion in stainless steel (SS) remains a critical limitation for its application, particularly in harsh environments such as geothermal systems. This study aims to evaluate the corrosion resistance of two SS substrates, namely SS 11-0 (ferritic) and SS 18-8 (austenitic), used as drill bit materials, both before and after the application of a TiCN protective coating. The coating was deposited by Physical Vapor Deposition (PVD) for 15, 25, and 35 minutes at 250°C. Corrosion resistance was assessed using a salt spray test with a 5% NaCl solution (pH 6–7) for 100 hours to simulate a neutral corrosive environment. Surface morphology and elemental composition were characterized using Field Emission Scanning Electron Microscopy–Energy Dispersive X-ray Spectroscopy (FESEM–EDS), while coating thickness and hardness were evaluated using Fischerscope® X-RAY XAN and Vickers microhardness testing, respectively. Corrosion performance was quantitatively analyzed using mass-loss-based corrosion rate calculations and polarization resistance measurements with a potentiostat instrument, providing insights into the electrochemical behavior of the coating–substrate system. The results demonstrate that increasing deposition time enhances coating thickness and overall coating quality. FESEM–EDS analysis confirms the successful formation of the TiCN layer and reveals changes in surface morphology and elemental composition after coating and corrosion exposure. Among the tested substrates, SS 18-8 consistently exhibits superior hardness, surface uniformity, and corrosion resistance compared to SS 11-0. Based on the weight loss method, the corrosion rates of uncoated and TiCN-coated SS 18-8 are 0.2600 mm/year and 0.1625 mm/year, respectively, both lower than those observed for SS 11-0. This enhanced performance is attributed to the synergistic effect between the TiCN coating and the Cr- and Ni-rich chemical composition of SS 18-8, which facilitates the formation of a stable and protective passive layer. These findings highlight the strong potential of TiCN-coated SS 18-8 for applications in geothermal environments under neutral corrosive conditions.

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  • Universiti Brunei Darussalam
  • Universitas Bhayangkara Surabaya
  • Indonesia University of Education
  • Institute of Industrial Science, The University of Tokyo
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Rekan penulisOrganisasiArtikel bersama
Asep Bayu Dani NandiyantoAfiliasi tidak diketahui7
Dwi Novia Al HusaeniAfiliasi tidak diketahui3
Meli FiandiniAfiliasi tidak diketahui3
Dwi Fitria Al HusaeniAfiliasi tidak diketahui3
Azman Bin Ma'AmorAfiliasi tidak diketahui2
Mukhamad NurhadiAfiliasi tidak diketahui2
Muhammad RezaAfiliasi tidak diketahui2
Anceu MurniatiAfiliasi tidak diketahui2
Jasmansyah JasmansyahAfiliasi tidak diketahui2
Arie HardianAfiliasi tidak diketahui2
Teguh KaryaAfiliasi tidak diketahui2
Dani Gustaman SyarifAfiliasi tidak diketahui2
Yudha Prawira BudimanAfiliasi tidak diketahui2
Muhammad Roil BiladUniversiti Brunei Darussalam2
Abdulkareem Sh. Mahdi Al-ObaidiAfiliasi tidak diketahui2
Eko Prabowo HadisantosoAfiliasi tidak diketahui1
Ferli Septi IrwansyahAfiliasi tidak diketahui1
Alfi Ikhlasul AmalAfiliasi tidak diketahui1
Diana Rakhmawaty EddyAfiliasi tidak diketahui1
Risdiana RisdianaAfiliasi tidak diketahui1
Ratna KusumawardaniAfiliasi tidak diketahui1
Akrajas Ali UmarAfiliasi tidak diketahui1
Aulia Zakiyatun NafisahAfiliasi tidak diketahui1
Riyan HalimAfiliasi tidak diketahui1
Mita NurhayatiAfiliasi tidak diketahui1
Haryono HaryonoUniversitas Bhayangkara Surabaya1
Dickry Abil Barry PratamaAfiliasi tidak diketahui1
Yuli AndrianiAfiliasi tidak diketahui1
Suryana SuryanaAfiliasi tidak diketahui1
Gabrielle Callista Dwi PutriAfiliasi tidak diketahui1
Dwi Fitria Al HusaeniIndonesia University of Education1
Tedi KurniawanAfiliasi tidak diketahui1
Muhammad AzizInstitute of Industrial Science, The University of Tokyo1
Muji SetiyoAfiliasi tidak diketahui1

Afiliasi berasal dari OpenAlex; metadata OAI-PMH jurnal tidak memuatnya. Penulis tanpa ID OpenAlex dicocokkan berdasarkan nama, sehingga dua orang bisa tergabung atau satu orang bisa terpisah.

Sumber metadata: OAI-PMH (metadata jurnal) http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/oai, pertama di-harvest 10 Nov 2026, terakhir terlihat 10 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">Comparative study on the corrosion behavior of TiCN-coated austenitic and ferritic stainless steels in geothermal environments</dc:title>
	<dc:creator xml:lang="en">Solehudin, Agus</dc:creator>
	<dc:creator xml:lang="en">Salam, Haipan</dc:creator>
	<dc:creator xml:lang="en">Permana, Enda</dc:creator>
	<dc:creator xml:lang="en">Noviyanti, Atiek Rostika</dc:creator>
	<dc:creator xml:lang="en">Umaar, Akrajas Ali</dc:creator>
	<dc:creator xml:lang="en">Ragadhita, Risti</dc:creator>
	<dc:subject xml:lang="en">corrosion resistance</dc:subject>
	<dc:subject xml:lang="en">geothermal condition</dc:subject>
	<dc:subject xml:lang="en">PVD</dc:subject>
	<dc:subject xml:lang="en">polarization resistance</dc:subject>
	<dc:subject xml:lang="en">stainless steel</dc:subject>
	<dc:subject xml:lang="en">weight loss</dc:subject>
	<dc:description xml:lang="en">Corrosion in stainless steel (SS) remains a critical limitation for its application, particularly in harsh environments such as geothermal systems. This study aims to evaluate the corrosion resistance of two SS substrates, namely SS 11-0 (ferritic) and SS 18-8 (austenitic), used as drill bit materials, both before and after the application of a TiCN protective coating. The coating was deposited by Physical Vapor Deposition (PVD) for 15, 25, and 35 minutes at 250°C. Corrosion resistance was assessed using a salt spray test with a 5% NaCl solution (pH 6–7) for 100 hours to simulate a neutral corrosive environment. Surface morphology and elemental composition were characterized using Field Emission Scanning Electron Microscopy–Energy Dispersive X-ray Spectroscopy (FESEM–EDS), while coating thickness and hardness were evaluated using Fischerscope® X-RAY XAN and Vickers microhardness testing, respectively. Corrosion performance was quantitatively analyzed using mass-loss-based corrosion rate calculations and polarization resistance measurements with a potentiostat instrument, providing insights into the electrochemical behavior of the coating–substrate system. The results demonstrate that increasing deposition time enhances coating thickness and overall coating quality. FESEM–EDS analysis confirms the successful formation of the TiCN layer and reveals changes in surface morphology and elemental composition after coating and corrosion exposure. Among the tested substrates, SS 18-8 consistently exhibits superior hardness, surface uniformity, and corrosion resistance compared to SS 11-0. Based on the weight loss method, the corrosion rates of uncoated and TiCN-coated SS 18-8 are 0.2600 mm/year and 0.1625 mm/year, respectively, both lower than those observed for SS 11-0. This enhanced performance is attributed to the synergistic effect between the TiCN coating and the Cr- and Ni-rich chemical composition of SS 18-8, which facilitates the formation of a stable and protective passive layer. These findings highlight the strong potential of TiCN-coated SS 18-8 for applications in geothermal environments under neutral corrosive conditions.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Padang</dc:publisher>
	<dc:date>2026-05-24</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/441</dc:identifier>
	<dc:identifier>10.24036/teknomekanik.v9i2.44172</dc:identifier>
	<dc:source xml:lang="en">Teknomekanik; Vol. 9 No. 2 (2026): Regular Issue; 137-161</dc:source>
	<dc:source>2621-8720</dc:source>
	<dc:source>2621-9980</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/441/119</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2026 Agus Solehudin, Haipan Salam, Enda Permana, Atiek Rostika Noviyanti, Akrajas Ali Umaar, Risti Ragadhita (Author)</dc:rights>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by/4.0</dc:rights>
</oai_dc:dc>