Risks related to the lack of lubrication on surface integrity in drilling
Drilling processes can significantly affect the surface integrity of metallic components. Thus, the control of the drilling process is of great interest for industry to ensure a satisfactory surface behavior. The understanding of such a process is complex because the hole is confined. Therefore, the...
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doaj-739c96d3b6794468b14710de36e42ded2020-11-25T02:09:34ZengElsevierHeliyon2405-84402019-01-0151e01138Risks related to the lack of lubrication on surface integrity in drillingMathieu Girinon0Habib Karaouni1Ugo Masciantonio2Fabien Lefebvre3Erwan Jourden4Frédéric Valiorgue5Joël Rech6Eric Feulvarch7Univ. de Lyon, ENISE, LTDS, UMR5513 CNRS, 58 rue Jean Parot, 42023, Saint-Etienne, France; CETIM, 52 avenue Félix Louat, 60300, Senlis, France; Corresponding author.SAFRAN Tech, rue des Jeunes Bois, 78772, Magny-les-Hameaux, FranceCETIM, 52 avenue Félix Louat, 60300, Senlis, FranceCETIM, 52 avenue Félix Louat, 60300, Senlis, FranceAREVA NP, 10 rue Juliette Récamier, 69006, Lyon, FranceUniv. de Lyon, ENISE, LTDS, UMR5513 CNRS, 58 rue Jean Parot, 42023, Saint-Etienne, FranceUniv. de Lyon, ENISE, LTDS, UMR5513 CNRS, 58 rue Jean Parot, 42023, Saint-Etienne, FranceUniv. de Lyon, ENISE, LTDS, UMR5513 CNRS, 58 rue Jean Parot, 42023, Saint-Etienne, FranceDrilling processes can significantly affect the surface integrity of metallic components. Thus, the control of the drilling process is of great interest for industry to ensure a satisfactory surface behavior. The understanding of such a process is complex because the hole is confined. Therefore, the physical phenomena are not easily observable during a drilling operation. The aim of this article is to present an experimental investigation on the effect of the drilling conditions for the machining of an austenitic stainless steel 316L. Three cases of lubrication are studied: internal coolant, external coolant and dry. The objective is to identify the mechanical and thermal contributions on surface integrity. In this study, the influence of the lubrication conditions is first characterized during the drilling operation (temperatures around the drilled surface, forces…). Then, the effect of lubrication on the surface integrity after drilling is clearly highlighted by analyzing the hole diameters, the drill deflections, the roughness, the residual stresses, the hardness and the microstructure.http://www.sciencedirect.com/science/article/pii/S2405844018339513Mechanical engineering |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mathieu Girinon Habib Karaouni Ugo Masciantonio Fabien Lefebvre Erwan Jourden Frédéric Valiorgue Joël Rech Eric Feulvarch |
spellingShingle |
Mathieu Girinon Habib Karaouni Ugo Masciantonio Fabien Lefebvre Erwan Jourden Frédéric Valiorgue Joël Rech Eric Feulvarch Risks related to the lack of lubrication on surface integrity in drilling Heliyon Mechanical engineering |
author_facet |
Mathieu Girinon Habib Karaouni Ugo Masciantonio Fabien Lefebvre Erwan Jourden Frédéric Valiorgue Joël Rech Eric Feulvarch |
author_sort |
Mathieu Girinon |
title |
Risks related to the lack of lubrication on surface integrity in drilling |
title_short |
Risks related to the lack of lubrication on surface integrity in drilling |
title_full |
Risks related to the lack of lubrication on surface integrity in drilling |
title_fullStr |
Risks related to the lack of lubrication on surface integrity in drilling |
title_full_unstemmed |
Risks related to the lack of lubrication on surface integrity in drilling |
title_sort |
risks related to the lack of lubrication on surface integrity in drilling |
publisher |
Elsevier |
series |
Heliyon |
issn |
2405-8440 |
publishDate |
2019-01-01 |
description |
Drilling processes can significantly affect the surface integrity of metallic components. Thus, the control of the drilling process is of great interest for industry to ensure a satisfactory surface behavior. The understanding of such a process is complex because the hole is confined. Therefore, the physical phenomena are not easily observable during a drilling operation. The aim of this article is to present an experimental investigation on the effect of the drilling conditions for the machining of an austenitic stainless steel 316L. Three cases of lubrication are studied: internal coolant, external coolant and dry. The objective is to identify the mechanical and thermal contributions on surface integrity. In this study, the influence of the lubrication conditions is first characterized during the drilling operation (temperatures around the drilled surface, forces…). Then, the effect of lubrication on the surface integrity after drilling is clearly highlighted by analyzing the hole diameters, the drill deflections, the roughness, the residual stresses, the hardness and the microstructure. |
topic |
Mechanical engineering |
url |
http://www.sciencedirect.com/science/article/pii/S2405844018339513 |
work_keys_str_mv |
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