Thesis Topic

Caractérisation ExpérimentaleFR: Caractérisation Expérimentale et Modélisation Numérique des Revêtements PVD élaborés par Pulvérisation Magnétron Réactive

Experimental Characterization and Numerical Modeling of PVD Coatings Produced by Reactive Magnetron Sputtering et Modélisation Numérique des Revêtements PVD élaborés par Pulvérisation Magnétron Réactive

Abstract

The deposition of a coating on a metallic substrate helps to maintain or even enhance its fundamental functional characteristics. However, selecting the appropriate coating and deposition technique remains complex due to the desired properties and environmental constraints. Vacuum-deposited coatings (PVD and CVD) have demonstrated good resistance to wear and corrosion.

Nevertheless, most of the research conducted so far has been experimental. The development of numerical methods will reduce the need for costly experimental tests and allow for a better understanding of the phenomena responsible for the degradation of cutting tools.

The aim of this work is to develop thin films using DC magnetron sputtering with various structures (pure metal, binary, ternary, and multilayer) and different coatings. The coatings to be developed should exhibit excellent wear resistance. Numerical simulation of the tests conducted for coating characterization will allow for a more in-depth analysis and provide information that would be difficult to obtain by other means.

By the end of this project, a coating system that ensures good wear resistance for tools will be established. The optimization parameters used during the deposition process will need to be identified. Numerical simulations will help eliminate the need for expensive experimental tests related to vacuum deposition methods, offering a better understanding of the physical phenomena occurring at the interface during tool-workpiece contact (such as wear, nano-indentation, scratch tests, etc.).

Doctoral advisors

• France : Corinne NOUVEAU – Director
• Tunisia: Faker BOUCHOUCHA –Director
• Yamen BEN AMMAR
• Khalil AOUADI

Partner

Higher National Engineering School of Tunis (ENSIT)

Project

PhD under the cotutelle agreement

Start

Expected end