Soutenance publique de thèse de doctorat en Sciences physiques - Alireza BAGHERPOUR
Mechanical properties of coatings based on amorphous carbon and metallic glasses
Date : 16/02/2024 16:00 - 16/02/2023 19:00
Lieu : S01
Orateur(s) : Alireza Bagherpour
Organisateur(s) : Stéphane Lucas
Jury
- Prof. Robert SPORKEN (Département de Physique, UNamur), président
- Prof. Stéphane LUCAS (Département de Physique, UNamur), promoteur et secrétaire
- Prof. Thomas PARDOEN (Institute of Mechanics, Materials and Civil Engineering, UCLouvain)
- Prof. Philippe STEYER (Institut National des Sciences Appliquées de Lyon)
- Dr Matteo GHIDELLI (LSPM-CNRS)
- Dr Andreas PFLUG (Volkswagen Commercial Vehicles)
Abstract
This thesis explores the fracture behavior of customizable coatings, addressing the increasing need for specialized solutions to choose the most suitable coating for various applications. The research focuses on two groups of coatings: the first group aims to optimize mechanical properties, including yield strength and fracture toughness, by employing an innovative approach in the deposition of a-C:H:Cr coatings. The second group investigates the fracture behavior of Cu-Zr TFMGs, uncovering the driving force and mechanism behind vein-like and columnar fracture patterns.
This thesis contributes novel insights into the field of materials science and surface engineering, offering the potential for high-performance coatings with customizable mechanical properties and a deeper understanding of their fracture behavior under various conditions.
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