Mechanical and physico-chemical study of sulphur additives effect in milling of high strength steel

Autor: Clotilde Minfray, Aleksandra Bierla, Jean Michel Martin, Guillaume Fromentin, Nicole Genet, Thierry Le Mogne
Přispěvatelé: Laboratoire Bourguignon des Matériaux et Procédés (LABOMAP), Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Laboratoire de Tribologie et Dynamique des Systèmes (LTDS), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Ecole Nationale d'Ingénieurs de Saint Etienne-Centre National de la Recherche Scientifique (CNRS), TOTAL S.A., TOTAL FINA ELF, Thèse CIFRE TOTAL
Jazyk: angličtina
Rok vydání: 2013
Předmět:
Materials science
[PHYS.MECA.GEME]Physics [physics]/Mechanics [physics]/Mechanical engineering [physics.class-ph]
02 engineering and technology
Physico-chemical analysis
EP sulfur additives
chemistry.chemical_compound
Mécanique: Génie mécanique [Sciences de l'ingénieur]
0203 mechanical engineering
Machining
X-ray photoelectron spectroscopy
Cutting fluid
Matériaux [Chimie]
Materials Chemistry
Lubricant
Tool wear
Polysulfide
Milling
Auger electron spectroscopy
Metallurgy
Surfaces and Interfaces
[CHIM.MATE]Chemical Sciences/Material chemistry
021001 nanoscience & nanotechnology
Condensed Matter Physics
Surfaces
Coatings and Films
[SPI.MECA.GEME]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanical engineering [physics.class-ph]
020303 mechanical engineering & transports
chemistry
Mechanics of Materials
Lubrication
0210 nano-technology
Zdroj: Wear
Wear, Elsevier, 2013, 286-287, pp.116-123. ⟨10.1016/j.wear.2011.05.007⟩
ISSN: 0043-1648
DOI: 10.1016/j.wear.2011.05.007⟩
Popis: The authors would like to express their appreciation to the TOTAL France Company for the technical and financial contribution to this study and to Béatrice Vacher for TEM images.; International audience; Most machining operations require the presence of a cutting fluid in order to ensure their success due to the intensity of thermal and mechanical conditions generated on the cutting tools. In some cases of severe machining, the fluid contributes to lubrication in a physicochemical way thanks to the additives it contains. This study aims to analyze the tribochemical mechanisms of lubrication during milling operations and subsequently at optimizing the lubricant formulation. The objective of this study is also to identify and to compare, the performance of various Extreme Pressure (EP) sulfur-containing additives, and to understand their action mechanisms in metal cutting. Physico-chemical analyses are carried out by means of Auger Electron Spectroscopy (AES) and X-ray Photoelectron Spectroscopy (XPS) with the purpose of detecting the nature of additive reaction products on the surfaces involved in cutting and correlating them with the milling results. The polysulfide additive is found to exhibit the best efficiency (decrease of specific cutting energy and tool wear) in the tested milling conditions. A correlation is found between the additive chemical reactivity and the milling test results.
Databáze: OpenAIRE
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