Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings
Inconel and micro and nano WC-12Co powders were deposited on AISI 4140 carbon steel by high-velocity oxy fuel (HVOF) coating and followed by laser surface modification. Laser power and scan speed were varied at different levels. Microstructure and microhardness were investigated. Nanocoatings perfor...
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| Format: | Article |
| Language: | English |
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International Association of Physical Chemists (IAPC)
2022-07-01
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| Series: | Journal of Electrochemical Science and Engineering |
| Subjects: | |
| Online Access: | https://pub.iapchem.org/ojs/index.php/JESE/article/view/1320 |
| _version_ | 1828329517932871680 |
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| author | Shanmugasundaram Sivarajan Adwait Joshi Karthikeyan C. Palani Raghupathy Padmanabhan Joseph T. Stokes |
| author_facet | Shanmugasundaram Sivarajan Adwait Joshi Karthikeyan C. Palani Raghupathy Padmanabhan Joseph T. Stokes |
| author_sort | Shanmugasundaram Sivarajan |
| collection | DOAJ |
| description | Inconel and micro and nano WC-12Co powders were deposited on AISI 4140 carbon steel by high-velocity oxy fuel (HVOF) coating and followed by laser surface modification. Laser power and scan speed were varied at different levels. Microstructure and microhardness were investigated. Nanocoatings performed better than microcoatings. Nanostructured WC powder coatings exhibited greater hardness compared to microstructured powder coating. When the laser power is increased to 170 W, a small cellular dendrite microstructure through multiphase solidification is formed due to the difference in thermal properties of Inconel 625 and WC particles. Adequate laser power and low scan speed were preferred to produce a high-quality coating. From the electrochemical corrosion test results, it was observed that the corrosion rate of laser-modified HVOF sprayed coating is lower than the carbon steel sample. This shows that the Inconel sprayed by laser-modified HVOF coating enhanced the corrosion resistance of the substrate steel material. The porosity percentage was higher for all the samples when laser scan speed was increased.
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| first_indexed | 2024-04-13T20:26:24Z |
| format | Article |
| id | doaj.art-343f5bd01c114a83a6a4faef15453482 |
| institution | Directory Open Access Journal |
| issn | 1847-9286 |
| language | English |
| last_indexed | 2024-04-13T20:26:24Z |
| publishDate | 2022-07-01 |
| publisher | International Association of Physical Chemists (IAPC) |
| record_format | Article |
| series | Journal of Electrochemical Science and Engineering |
| spelling | doaj.art-343f5bd01c114a83a6a4faef154534822022-12-22T02:31:19ZengInternational Association of Physical Chemists (IAPC)Journal of Electrochemical Science and Engineering1847-92862022-07-0110.5599/jese.1320Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatingsShanmugasundaram Sivarajan0Adwait Joshi1Karthikeyan C. Palani2Raghupathy Padmanabhan3Joseph T. Stokes4Vellore Institute of Technology, Vandalur Kelambakkam road, Chennai, Pin 600127, India Vellore Institute of Technology, Vandalur Kelambakkam road, Chennai, Pin 600127, India Saveetha Engineering College, Saveetha nagar, Thandalam, Chennai, Pin 602105, IndiaVellore Institute of Technology, Vandalur Kelambakkam road, Chennai, Pin 600127, India Dublin City University – Glasnevin Campus Dublin 9 - D09 NA55, IrelandInconel and micro and nano WC-12Co powders were deposited on AISI 4140 carbon steel by high-velocity oxy fuel (HVOF) coating and followed by laser surface modification. Laser power and scan speed were varied at different levels. Microstructure and microhardness were investigated. Nanocoatings performed better than microcoatings. Nanostructured WC powder coatings exhibited greater hardness compared to microstructured powder coating. When the laser power is increased to 170 W, a small cellular dendrite microstructure through multiphase solidification is formed due to the difference in thermal properties of Inconel 625 and WC particles. Adequate laser power and low scan speed were preferred to produce a high-quality coating. From the electrochemical corrosion test results, it was observed that the corrosion rate of laser-modified HVOF sprayed coating is lower than the carbon steel sample. This shows that the Inconel sprayed by laser-modified HVOF coating enhanced the corrosion resistance of the substrate steel material. The porosity percentage was higher for all the samples when laser scan speed was increased. https://pub.iapchem.org/ojs/index.php/JESE/article/view/1320Inconel-625Tungsten CarbideWC-12Co |
| spellingShingle | Shanmugasundaram Sivarajan Adwait Joshi Karthikeyan C. Palani Raghupathy Padmanabhan Joseph T. Stokes Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings Journal of Electrochemical Science and Engineering Inconel-625 Tungsten Carbide WC-12Co |
| title | Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings |
| title_full | Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings |
| title_fullStr | Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings |
| title_full_unstemmed | Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings |
| title_short | Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings |
| title_sort | corrosion and wear protection of aisi 4140 carbon steel using a laser modified high velocity oxygen fuel thermal sprayed coatings |
| topic | Inconel-625 Tungsten Carbide WC-12Co |
| url | https://pub.iapchem.org/ojs/index.php/JESE/article/view/1320 |
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