Influence of the fatty acid profile on the lubricating film formation in micro-milling process on 7050-T7451 aluminum alloy

  • Milena Chanes de SouzaEmail author
  • Hagen Maximilian Wiesner
  • Yves Kuche
  • Julian Polte
  • Jefferson de Oliveira Gomes
  • Eckart Uhlmann


This work studies the technical performance of vegetable-based metalworking fluids as a more environment-friendly alternative for micro-milling on 7050-T7451 aluminum alloy. Micro-milling investigations were performed using two vegetable-based oils, two emulsions prepared with the same vegetable-based oil and a commercial emulsion for comparison. It was noted that the vegetable-based oils with high oleic fatty acid profile provide better lubrication films than mid-oleic fatty acid profiles. However, the wear of the cutting tools is slightly more pronounced when the high oleic oil was used. When these oils were used for the preparation of vegetable-based emulsions, the high oleic emulsion presents better lubricating potential and provides high surface quality than the mid-oleic emulsion. However, the wear of the cutting tool was similar. The vegetable-based metalworking fluids showed similar performance than the commercial reference. Therefore, the oil with high oleic fatty acid profiles presents good technical performance and can be used in vegetable-based metalworking fluids formulations.


Environment-friendly manufacturing Fatty acid profile Lubricating film Micro-milling process 7050-T7451 aluminum alloy 



The authors would like to express their gratitude to the Institute for Production Systems and Design Technology (IPK), Technical University of Berlin (TUB), and Aeronautics Institute of Technology (ITA) for the technical structure, and the German Academic Exchange Service (DAAD) (grant number 91638371) and the National Council for Scientific and Technological Development (CNPq) (grant number 304459/2014-3) for the financial assistance.


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringAeronautics Institute of Technology (ITA)São José dos CamposBrazil
  2. 2.Fraunhofer Institute for Production Systems and Design Technology (IPK)BerlinGermany
  3. 3.Institute for Machine Tools and Factory Management (IWF)Technical University of BerlinBerlinGermany

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