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Yazid Madi

Yazid Madi

Professor

Center · CMAT

Keywords

Team

MEM - Mécanique Expérimentale et Matériaux

Biography

MADI Yazid is a researcher specializing in the study of material degradation mechanisms caused by hydrogen and mechanical stresses. His work focuses primarily on hydrogen embrittlement (HE), a phenomenon critical to the safety of hydrogen transportation infrastructure, particularly pipelines. His research combines advanced experimental approaches—such as X-ray tomography, fractography, and high-pressure mechanical testing—with finite element numerical modeling. He has helped elucidate the mechanisms by which trace amounts of oxygen inhibit HB, as well as develop innovative methodologies to evaluate the strength of steels in a hydrogen atmosphere, particularly through the use of mini-specimens. His recent work also explores the interactions between plasticity, damage, and crack propagation in structured materials or those subjected to complex loading conditions, such as fretting or oligocyclic fatigue.

Publication(s)

Teaching

General Engineering Professions (MIG)

Course Director

A MIG is a personalized, project-based learning program that brings together a group of 12 or 14 students, guided by the School’s faculty members, to explore a complex problem in all its main dimensions—including, of course, scientific and technical aspects, but also cross-disciplinary aspects (socioeconomics, management, law, the environment, etc., depending on the field being studied). Ten different topics are offered. They all reflect current research themes being developed by the School’s centers and industry. The challenges students will tackle through these 10 projects address major issues facing the industry of the future and society: From Energy Resource Transformation to Management, Data Science and Innovative Applications, Raw Material Extraction and Environmental Impact, Design and Materials for Aerospace and Automotive, and Medical and Hospital Care Engineering Each MIG topic is addressed through complementary and interlinked activities during an intensive three-week period: - company visits, lectures, and classes - a period of experimentation and/or modeling at a research center or in a company, in the form of mini-projects carried out in small groups. In addition, each group of students collectively summarizes the work completed in the form of a written report and an oral presentation before a panel of industry professionals. This presentation will allow you to better understand all aspects of the topic and to deepen your teamwork skills.

Mechanics of Materials and Structures (PI MECAERO)

Lecturer

Project (PI MECAERO)

Lecturer

Experimental Mechanics

Course Director

The course has two main objectives. Drawing on examples from industry, the course first aims to help students understand the challenges involved in a mechanical testing campaign and to acquire the tools necessary for designing experimental plans for the mechanical characterization of materials. With this in mind, the course will begin with a description of standardized tests to highlight their limitations, followed by a presentation of original or “non-standard” tests that are as well-instrumented as possible. To this end, part of the course will be devoted to the study of non-contact thermomechanical measurement techniques (infrared thermography and digital image correlation). In a second phase, the focus will be on establishing the link between continuum mechanics, thermomechanical behavior equations, and experimental characterization. The concepts of stress and strain analysis will be reviewed to understand the methods for optimizing behavior and damage mechanisms, which we aim to identify through the tests. The in-person component (29 hours) is structured into plenary sessions (12 hours), mini-projects (in pairs or groups of three) (15 hours), and project presentations before a panel (30 minutes). Students’ independent work (6 hours) includes: Understanding the mini-project, literature review, scientific analysis and interpretation of the results obtained, writing a summary, and preparing an oral presentation

PhD supervision

  • 2025 Modeling of the ductile tearing behavior of narrow-groove TIG welded dissimilar metal joints in alloy 52 AYGUZER Cansu
  • 2025 Experimental study and modeling of cracking under high-pressure hydrogen using a tubular specimen. GUYOT Alice
  • 2025 Experimental study and modeling of wear and friction of metallic alloys (TA6V, 316L) under hydrogen RENOU Hana
  • 2024 Characterization of Hydrogen Embrittlement Damage Mechanisms in Storage and Transport Materials: Mini-Specimen Approach BALLMANN DE CAMPOS Eduardo
  • 2023 Experimental study and modeling of tribological phenomena (wear and friction) under H2 gas FARTAS Mohammed
  • 2022 Modeling of the elastoplastic (viscoplastic) damage behavior of high-grade steel under complex loading: application to high-performance threaded connections for energy ELOCHI Asmae
  • 2021 Development of mini-specimens to evaluate the toughness of transport tubes for H2 applications MEIRELLES SANTANA Luciano
  • 2021 Development of a methodology for studying pipeline welds in hydrogen environments using small specimens BELKACEMI Said
  • 2019 Modeling the effect of irradiation on the toughness of aluminum alloys in experimental nuclear reactors SHOKEIR Zacharie
  • 2018 Development of methods and analyses for studying toughness using small specimens N'SEMI-NOAH Áron
  • 2018 Ductility and toughness of steels: use of mini-specimens to characterize materials BELHADJ Chiraz