Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel Pipe
The presented work deals with the investigation of mechanical tribological properties on Inconel 625 superalloy, which is welded on a 16Mo3 steel pipe. The wall thickness of the basic steel pipe was 7 mm, while the average thickness of the welded layer was 3.5 mm. The coating was made by the cold me...
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MDPI AG
2023-07-01
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| Online Access: | https://www.mdpi.com/1996-1944/16/14/5014 |
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| author | Michal Krbata Robert Ciger Marcel Kohutiar Maria Sozańska Maroš Eckert Igor Barenyi Marta Kianicova Milan Jus Naďa Beronská Bogusław Mendala Martin Slaný |
| author_facet | Michal Krbata Robert Ciger Marcel Kohutiar Maria Sozańska Maroš Eckert Igor Barenyi Marta Kianicova Milan Jus Naďa Beronská Bogusław Mendala Martin Slaný |
| author_sort | Michal Krbata |
| collection | DOAJ |
| description | The presented work deals with the investigation of mechanical tribological properties on Inconel 625 superalloy, which is welded on a 16Mo3 steel pipe. The wall thickness of the basic steel pipe was 7 mm, while the average thickness of the welded layer was 3.5 mm. The coating was made by the cold metal transfer (CMT) method. A supercritical bending of 180° was performed on the material welded in this way while cold. The mechanical properties evaluated were hardness, wear resistance, coefficient of friction (COF) and change in surface roughness for both materials. The UMT Tribolab laboratory equipment was used to measure COF and wear resistance by the Ball-on-flat method, which used a G40 steel pressure ball. The entire process took place at an elevated temperature of 500 °C. The measured results show that the materials after bending are reinforced by plastic deformation, which leads to an increase in hardness and also resistance to wear. Superalloy Inconel 625 shows approximately seven times higher rate of wear compared to steel 16Mo3 due to the creation of local oxidation areas that support the formation of abrasive wear and do not create a solid lubricant, as in the case of steel 16Mo3. Strain hardening leads to a reduction of possible wear on Inconel 625 superalloy as well as on 16Mo3 steel. In the case of the friction process, the places of supercritical bending of the structure showed the greatest resistance to wear compared to the non-deformed structure. |
| first_indexed | 2024-03-08T00:44:57Z |
| format | Article |
| id | doaj.art-320996c9c0fe4b6aa07346a3da5ec130 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-08T00:44:57Z |
| publishDate | 2023-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-320996c9c0fe4b6aa07346a3da5ec1302024-02-15T11:23:29ZengMDPI AGMaterials1996-19442023-07-011614501410.3390/ma16145014Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel PipeMichal Krbata0Robert Ciger1Marcel Kohutiar2Maria Sozańska3Maroš Eckert4Igor Barenyi5Marta Kianicova6Milan Jus7Naďa Beronská8Bogusław Mendala9Martin Slaný10Faculty of Special Technology, Alexander Dubcek University of Trenčín, 911 06 Trenčín, SlovakiaFaculty of Special Technology, Alexander Dubcek University of Trenčín, 911 06 Trenčín, SlovakiaFaculty of Special Technology, Alexander Dubcek University of Trenčín, 911 06 Trenčín, SlovakiaFaculty of Materials Engineering, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, PolandFaculty of Special Technology, Alexander Dubcek University of Trenčín, 911 06 Trenčín, SlovakiaFaculty of Special Technology, Alexander Dubcek University of Trenčín, 911 06 Trenčín, SlovakiaFaculty of Special Technology, Alexander Dubcek University of Trenčín, 911 06 Trenčín, SlovakiaFaculty of Special Technology, Alexander Dubcek University of Trenčín, 911 06 Trenčín, SlovakiaInstitute of Materials and Machine Mechanics, SAS, Dúbravská cesta 9/6319, 845 13 Bratislava, SlovakiaFaculty of Materials Engineering, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, PolandFaculty of Mechanical Engineering, Brno University of Technology Technická 2896/2, Královo Pole, 616 69 Brno, Czech RepublicThe presented work deals with the investigation of mechanical tribological properties on Inconel 625 superalloy, which is welded on a 16Mo3 steel pipe. The wall thickness of the basic steel pipe was 7 mm, while the average thickness of the welded layer was 3.5 mm. The coating was made by the cold metal transfer (CMT) method. A supercritical bending of 180° was performed on the material welded in this way while cold. The mechanical properties evaluated were hardness, wear resistance, coefficient of friction (COF) and change in surface roughness for both materials. The UMT Tribolab laboratory equipment was used to measure COF and wear resistance by the Ball-on-flat method, which used a G40 steel pressure ball. The entire process took place at an elevated temperature of 500 °C. The measured results show that the materials after bending are reinforced by plastic deformation, which leads to an increase in hardness and also resistance to wear. Superalloy Inconel 625 shows approximately seven times higher rate of wear compared to steel 16Mo3 due to the creation of local oxidation areas that support the formation of abrasive wear and do not create a solid lubricant, as in the case of steel 16Mo3. Strain hardening leads to a reduction of possible wear on Inconel 625 superalloy as well as on 16Mo3 steel. In the case of the friction process, the places of supercritical bending of the structure showed the greatest resistance to wear compared to the non-deformed structure.https://www.mdpi.com/1996-1944/16/14/5014tribologyweldingmaterialsuperalloysteelwear |
| spellingShingle | Michal Krbata Robert Ciger Marcel Kohutiar Maria Sozańska Maroš Eckert Igor Barenyi Marta Kianicova Milan Jus Naďa Beronská Bogusław Mendala Martin Slaný Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel Pipe Materials tribology welding material superalloy steel wear |
| title | Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel Pipe |
| title_full | Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel Pipe |
| title_fullStr | Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel Pipe |
| title_full_unstemmed | Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel Pipe |
| title_short | Effect of Supercritical Bending on the Mechanical & Tribological Properties of Inconel 625 Welded Using the Cold Metal Transfer Method on a 16Mo3 Steel Pipe |
| title_sort | effect of supercritical bending on the mechanical tribological properties of inconel 625 welded using the cold metal transfer method on a 16mo3 steel pipe |
| topic | tribology welding material superalloy steel wear |
| url | https://www.mdpi.com/1996-1944/16/14/5014 |
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