Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting
<b> </b>The machinability of hard-to-cut CoCr alloys manufactured by Selective Laser Melting (SLM) technology is not yet sufficiently studied. Therefore, this work focuses on evaluation of surface texture formation during face turning of CoCr alloy. As part of the research, two specimen...
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doaj-42ff39abe9d640588e8d526070a9a0272020-11-25T03:10:41ZengMDPI AGMaterials1996-19442020-05-01132448244810.3390/ma13112448Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser MeltingMarta Beata Krawczyk0Marcin Andrzej Królikowski1Daniel Grochała2Bartosz Powałka3Paweł Figiel4Szymon Wojciechowski5Department of Manufacturing Engineering, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology Szczecin, Ave. 19, Piastow, 70-310 Szczecin, PolandDepartment of Manufacturing Engineering, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology Szczecin, Ave. 19, Piastow, 70-310 Szczecin, PolandDepartment of Manufacturing Engineering, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology Szczecin, Ave. 19, Piastow, 70-310 Szczecin, PolandDepartment of Manufacturing Engineering, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology Szczecin, Ave. 19, Piastow, 70-310 Szczecin, PolandDepartment of Materials Technology, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology Szczecin, Ave. 19, Piastow, 70-310 Szczecin, PolandInstitute of Mechanical Technology, Faculty of Mechanical Engineering and Management, Poznan University of Technology, Piotrowo 3, 60-965 Poznan, Poland<b> </b>The machinability of hard-to-cut CoCr alloys manufactured by Selective Laser Melting (SLM) technology is not yet sufficiently studied. Therefore, this work focuses on evaluation of surface texture formation during face turning of CoCr alloy. As part of the research, two specimen types were subject to comparison: made with the application of conventional casting and manufactured by additive manufacturing—SLM. A number of analytical and experimental methods were employed to describe the specimen composition and morphology, as: X-Ray Diffraction Analysis (XRD), optical metallurgical microscopy, confocal optical microscopy, and Vickers hardness HV<sub>0</sub><sub>.</sub><sub>1</sub> measurements. In the next stage, the measurements of surface topographies formed during turning in a range of variable cutting speeds and feeds were carried out. Ultimately the multi-factor MANOVA (Multivariate Analysis of Variance) illustrating the influence of manufacturing technology, cutting speed, and feed ratio on selected surface parameters of samples was made. It has been demonstrated that during face turning with feeds up to 0.15 mm/rev, the similar values of surface roughness height and material ratio curve parameters were reached for both tested CoCr alloys. However, in a range of higher feed values, the surface quality of CoCr samples fabricated by SLM was lower than that reached for CoCr after casting process.https://www.mdpi.com/1996-1944/13/11/2448surface topographychrome-cobalt alloySLMface |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Marta Beata Krawczyk Marcin Andrzej Królikowski Daniel Grochała Bartosz Powałka Paweł Figiel Szymon Wojciechowski |
spellingShingle |
Marta Beata Krawczyk Marcin Andrzej Królikowski Daniel Grochała Bartosz Powałka Paweł Figiel Szymon Wojciechowski Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting Materials surface topography chrome-cobalt alloy SLM face |
author_facet |
Marta Beata Krawczyk Marcin Andrzej Królikowski Daniel Grochała Bartosz Powałka Paweł Figiel Szymon Wojciechowski |
author_sort |
Marta Beata Krawczyk |
title |
Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting |
title_short |
Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting |
title_full |
Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting |
title_fullStr |
Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting |
title_full_unstemmed |
Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting |
title_sort |
evaluation of surface topography after face turning of cocr alloys fabricated by casting and selective laser melting |
publisher |
MDPI AG |
series |
Materials |
issn |
1996-1944 |
publishDate |
2020-05-01 |
description |
<b> </b>The machinability of hard-to-cut CoCr alloys manufactured by Selective Laser Melting (SLM) technology is not yet sufficiently studied. Therefore, this work focuses on evaluation of surface texture formation during face turning of CoCr alloy. As part of the research, two specimen types were subject to comparison: made with the application of conventional casting and manufactured by additive manufacturing—SLM. A number of analytical and experimental methods were employed to describe the specimen composition and morphology, as: X-Ray Diffraction Analysis (XRD), optical metallurgical microscopy, confocal optical microscopy, and Vickers hardness HV<sub>0</sub><sub>.</sub><sub>1</sub> measurements. In the next stage, the measurements of surface topographies formed during turning in a range of variable cutting speeds and feeds were carried out. Ultimately the multi-factor MANOVA (Multivariate Analysis of Variance) illustrating the influence of manufacturing technology, cutting speed, and feed ratio on selected surface parameters of samples was made. It has been demonstrated that during face turning with feeds up to 0.15 mm/rev, the similar values of surface roughness height and material ratio curve parameters were reached for both tested CoCr alloys. However, in a range of higher feed values, the surface quality of CoCr samples fabricated by SLM was lower than that reached for CoCr after casting process. |
topic |
surface topography chrome-cobalt alloy SLM face |
url |
https://www.mdpi.com/1996-1944/13/11/2448 |
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