MN2S : Optimization of self-assembled multilayer in the lubrication of space mechanisms
il y a 2 jours
Context :
The development of lubricants for space applications is a highly specialized challenge given the mechanical and physico-chemical environments in which the mechanisms operate. Whether on the ground, in air, in a vacuum, in a thermal vacuum, or in space, the systems operate in a succession of extreme environments.
A range of lubricants already exists, each with different specificities and different fields of application: fluid lubrication (oils), greases, solid materials (burnished deposits, PVD deposits, self-lubricating composites). In this project, we propose a new avenue for lubrication: molecular based lubricant that can be applied by simple spray. From its manufacture to its use, the product is eco-friendly, meeting the constraints imposed on the toxicity of products used in lubrication.
The objective of this project is to optimize the deposition of molecules and the formation of self-assembled layers in order to obtain a homogeneous, chemisorbed molecular coating over the entire surface of the substrate. The quality of the deposition must be assessable using a simple technique such as fluorescence. While maintaining a maximum thickness of 300 nm.
Further details are available in the attached subject.
Candidate : taste for experimental work, and collaborative work. Experience in tribology, and surface analysis. The project is at the crossroad of mechanics, chemistry, material science, experience and taste for those fields is required.
Funding Partners: collaboration between the French Space Agency (CNES, ), CIPELIA's subsidiary companies INS (https://ins-) and UnilOPAL ), and Institut FEMTO-ST ), under CNES PhD program
Location: FEMTO-ST Institute, Besançon, France, in the Micro-Nano Sciences and Systems Department (MN2S). The MINAMAS (Micro-Nano Materials and Surfaces) team specializes in the physical, and tribological study of thin films, nanomaterials and solid/gas interaction
Starting date: October 2026
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Application: online on from February 2nd to March 13th, 2026, subject REF : 26-159
Contact
Dr. Guillaume Colas
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