FR
France
French national curriculum (Primary to Baccalaureate), higher education support, Arabic language courses and volunteer associative teaching experience in France.
PhD in Science · University Lecturer · Online Lessons across France, Germany & Belgium
Understand deeply. Become independent.
Arabic language, maths, physics, chemistry and materials science, from primary school to university across Europe.
Lecturer at the University of Oran, invited peer reviewer for Springer and international online educator supporting learners across France, Germany and Belgium.
- PhD in Metallurgy & Materials Science
- University of Oran Lecturer (Courses & Practical Labs / TP)
- Invited Peer Reviewer · Springer Nature
- Online Students: France · Germany · Belgium
- Volunteer Arabic Teaching in a French Association
- Network: Paris-Saclay · Clermont-Ferrand · Strasbourg · Marseille
- PhD & Springer ReviewerDoctorate in Materials Science, Lecturer at the University of Oran and Peer Reviewer for Springer
- France · Germany · BelgiumInternational online students across Europe and volunteer Arabic teaching in a French association
- 3+ DOI Papers & 6+ Conf.Peer-reviewed publications and academic ties with Paris-Saclay, Clermont-Ferrand, Strasbourg & Marseille
- School to UniversityArabic, maths, physics, chemistry, practical lab work (TP), MSc/thesis mentoring and ISO standards
A structured learning path built around your goals
Learn Arabic step by step with a method refined for European learners, strengthen core science subjects up to Baccalaureate/Abitur level, or receive university-level mentoring in materials science and metallurgy.
Learn Arabic step by step across Europe
A progressive, encouraging curriculum shaped by online cohorts across Europe and volunteer Arabic teaching in a community association in France: alphabet, phonetics, fluent reading, live dictation, logical root grammar and spoken dialogue.
Levels
- Complete Beginner
- Intermediate
- Advanced & Bilingual
- Learners across France, Germany and Belgium
- Method refined through volunteer teaching in France
- Alphabet, fluent reading, live dictation and dialogue
European & international reach
Supporting students across France, Germany and Belgium
DE
Germany
Online tutoring for French-speaking, English-speaking and international students in Germany (Gymnasium, Abitur, European schools and Arabic language cohorts).
BE
Belgium
Structured tutoring in mathematics, physics, chemistry and Arabic for students in the Belgian (CEB, CE1D, CESS) and international school systems.
Volunteer Arabic teaching in a French association
Hands-on experience teaching Arabic as a volunteer in a community association in France: a clear, encouraging methodology specifically designed for children, teenagers and adults living in Europe.
Immersion Studio · Arabic Language for Europe
Learn Arabic step by step with clarity and confidence
Shaped by her online cohorts in France, Germany and Belgium and her volunteer teaching in a French association, this four-stage curriculum makes Arabic accessible to both French-speaking and English-speaking learners.
Master the 28 letters and authentic pronunciation
Alphabet, phonetics and connected script
Visual recognition of each letter across its four positions (isolated, initial, medial, final), precise articulation points (makharij) and clear distinction between short and long vowels.
Skills mastered at this stage
- Read and write all 28 letters smoothly in connected script
- Pronounce distinctive Arabic sounds accurately and confidently
- Understand short vowels (fatha, kasra, damma, sukun) and tanwin
Visual method refined in French associative workshops to make right-to-left script feel natural from week one.
Live lesson example
قَلَمٌ · كِتَابٌ · مَدْرَسَةٌ
Qalamun · Kitabun · MadrasatunA pen · A book · A school
Book a video callLessons are available one-to-one or in small groups of matched level.
PhD in Materials Science, Lecturer at the University of Oran and Springer Peer Reviewer, bringing academic rigour and human warmth to every online lesson.
About Dr Medjane Chahinez
A lifelong passion for teaching, backed by international research.
Holding a PhD (Doctorate in Science) in Metallurgy and Surface Engineering from the National Polytechnic School of Algiers (LSGM Laboratory) and lecturing at the University of Oran, Dr Medjane Chahinez is a dedicated educator at heart. She teaches online students across Germany, France and Belgium, and has also taught Arabic as a volunteer in a community association in France.
An active international researcher, she has published peer-reviewed journal papers with DOIs (including with Springer / Pleiades Publishing and Begell House) and presented at more than 6 national and international scientific conferences. She serves as an invited peer reviewer for Springer Nature (The International Journal of Advanced Manufacturing Technology).
Her academic collaborations and scientific contacts connect Université Paris-Saclay, Polytech Clermont (Clermont-Ferrand), the University of Strasbourg, Aix-Marseille University, the National Polytechnic School of Algiers, the University of Oran and the University of Béjaïa. She supervises BSc, MSc and engineering thesis students, leads hands-on experimental lab sessions (TP) and masters international metallurgical testing and quality standards (ISO 6892-1:2019, ISO 6507-1:2018, ASTM E3/JCPDS).
- PhD in Metallurgy & Materials Science (ENP Algiers - LSGM)
- Lecturer at the University of Oran (Lectures, Labs/TP & MSc/Thesis Supervision)
- Invited Peer Reviewer for Springer (Int. J. Adv. Manuf. Technol.)
- 3+ peer-reviewed DOI papers & 6+ scientific conferences
- Academic network: Paris-Saclay, Clermont-Ferrand, Strasbourg, Marseille, ENP Algiers, Béjaïa
- Online students in France, Germany & Belgium + volunteer Arabic teaching in France
Academic authority · Scientific research & Higher education
PhD in Metallurgy, Lecturer at the University of Oran & Springer Reviewer
Alongside her international online teaching, Dr Medjane Chahinez conducts peer-reviewed research in materials science and metallurgy, publishes in international journals with DOIs, serves as an invited reviewer for Springer and collaborates with leading universities in France and Algeria.
Materials Science & Surface Metallurgy
National Polytechnic School of Algiers (LSGM) & University of Oran
Invited Peer Reviewer
Reviewer for The International Journal of Advanced Manufacturing Technology
Peer-reviewed DOI publications
Springer / Pleiades, Begell House, HAL Science & Google Scholar
National & international presentations
Functionally graded materials (FGM), constitutive modelling & ceramics
Invited Scientific Reviewer for Springer Nature
The International Journal of Advanced Manufacturing Technology (Springer, ISSN 0268-3768)
Selected by Springer to evaluate international research manuscripts in advanced metallurgy and manufacturing. Her peer-review work covers severe plastic deformation processes (ECAP / ECMAP), microstructural grain refinement and standardised mechanical testing of aluminium alloys.
- Severe Plastic Deformation (ECAP / ECMAP)
- Physical Metallurgy & Aluminium Alloys
- Microstructure - Mechanical Property Correlations
- ISO / ASTM Mechanical Testing Standards
Verified academic profiles & researcher identifiers
Publications & DOIs
Peer-Reviewed Journal Article (Springer / Pleiades)2026
Development and Mechanical Properties of Ceramic-Reinforced Hypoeutectic Al Alloy Functionally Graded Materials Produced by Centrifugal Casting: A Machine Learning-Enhanced Constitutive Modeling Approach
Chahinez Medjane, Abdelhakim Benslimane, Oussama Djema, Liamine Kaba, Hind Mansour, Ridha Badi, Nadir Mesrati
Russian Journal of Non-Ferrous Metals (Pleiades Publishing / Springer), Vol. 67, No. 1, pp. 13-30
ISSN 1067-8212 (Print) · ISSN 1934-970X (Online)
Centrifugal casting (1200 rpm) of AlSi10-matrix functionally graded materials (FGMs) reinforced with Al2O3, SiC and Graphite. Multi-scale characterisation (FEG-SEM/EDS, XRD, ISO 6892-1 tensile testing, ISO 6507-1 radial Vickers hardness) combined with Python machine-learning identification of 7 constitutive laws and COMSOL Multiphysics FEM validation.
- +14.8% ultimate tensile strength (197.61 MPa) and +13.1% elongation in AlSi10-Graphite FGM
- Machine-learning inverse identification of 7 elastoplastic constitutive models
- Finite-element validation in COMSOL Multiphysics with < 0.8% deviation
Peer-Reviewed Journal Article (Begell House · Indexed in Scopus & HAL)2024
Analytical and Numerical Analysis of Solid Cylinder Made of Radially Nonuniform Material Under Extension
Chahinez Medjane, Abdelhakim Benslimane, Nadir Mesrati, Lamine Hattali (Université Paris-Saclay)
Composites: Mechanics, Computations, Applications: An International Journal, Vol. 15, No. 2, pp. 85-102
Collaboration between ENP Algiers, University of Béjaïa and Université Paris-Saclay
Exact analytical solution (Navier differential equation and Principle of Virtual Work in Maple) and 3D finite-element simulation (COMSOL Multiphysics) predicting displacement, strain and stress fields in radially graded FGM cylinders under axial extension.
- Closed-form 3D analytical mechanics formulation cross-validated by FEM
- Franco-Algerian research collaboration with Université Paris-Saclay
- Benchmark model for designing radially graded structural components
Doctoral Dissertation (PhD in Metallurgy & Surface Engineering)2026
Elaboration, Characterisation and Modelling of Advanced Properties of Metal-Ceramic Functionally Graded Materials (FGM)
Dr Chahinez Medjane (Supervisor: Prof. Nadir Mesrati, ENP Algiers · Co-supervisor: Dr Lamine Hattali, Université Paris-Saclay)
National Polytechnic School of Algiers (ENP) · Materials Science and Engineering Laboratory (LSGM)
Doctorate in Science (Metallurgy)
Comprehensive doctoral research encompassing the design of an instrumented centrifugal casting rig, synthesis of pure Al and AlSi10 FGMs reinforced with Al2O3, SiC and Graphite, standardised microstructural and mechanical testing, and multi-scale analytical/numerical modelling.
- Custom-engineered vertical centrifugal casting apparatus (800-1200 rpm)
- Full experimental workflow: metallography, FEG-SEM, XRD, tensile & HV10 profiling
- Dual predictive framework combining continuum mechanics (Maple) and ML (Python/COMSOL)
Applied Research & MSc / Engineering Thesis Co-Supervision2025
Elaboration and Characterization of Low-Cost Porous Ceramic Membrane Supports from Algerian Kaolin via Liquid-Phase Sintering
Applied Materials Engineering & Technical Ceramics Research Group
Research focus: Liquid-phase sintering, local kaolin DD3 valorisation and filtration membranes
XRD phase indexing, 4-point bending strength, open porosity & acid/alkali resistance
Development of tubular and flat porous ceramic membrane supports (39% to 49% porosity) from Algerian DD3 kaolin and bio-sourced calcium carbonate. Investigation of mullite and anorthite crystallisation by XRD, 4-point flexural strength and chemical durability.
- Sustainable valorisation of local mineral and bio-sourced raw materials
- Optimised permeability-strength trade-off via reactive liquid-phase sintering
- Hands-on research training for graduating engineering and MSc students
University Network (France & Algeria)
An active academic network connecting universities and research centres in France and Algeria across materials science, solid mechanics and higher education.
FR
Université Paris-Saclay
Paris-Saclay, France
Scientific Collaboration & Co-Authored Research
Doctoral co-supervision (Dr Lamine Hattali) and analytical/numerical mechanics modelling of functionally graded materials.
FR
Polytech Clermont (Clermont-Ferrand Polytechnic)
Clermont-Ferrand, France
Academic Exchanges & Scientific Network
Academic ties in materials engineering, advanced mechanical behaviour and university teaching methodology.
FR
University of Strasbourg
Strasbourg, France
Scientific Contacts & Materials Network
Academic exchanges in materials science, surface engineering and multi-scale characterisation.
FR
Aix-Marseille University (University of Marseille)
Marseille, France
Academic & Research Contacts
Scientific exchanges in solid mechanics, composite structures and experimental characterisation.
DZ
University of Oran
Oran, Algeria
University Lecturer (Lectures, Tutorials & Practical Labs / TP)
Higher education teaching in materials science, metallurgy, physics and chemistry, hands-on laboratory instruction and student mentoring.
DZ
National Polytechnic School of Algiers (ENP - LSGM)
Algiers, Algeria
Materials Science & Engineering Laboratory (PhD & MSc Supervision)
Centrifugal casting synthesis, physical metallurgy, surface engineering (Prof. Nadir Mesrati) and Master 2 research supervision.
DZ
University of Béjaïa (L2ME) & CRTSE / CRTI Centres
Béjaïa & Algiers, Algeria
Co-Publications & Advanced Characterisation Facilities
Analytical modelling (Prof. A. Benslimane) and FEG-SEM, EDS, XRD and standardised mechanical testing (Dr O. Djema, CRTSE/CRTI).
Lab Work (TP) & ISO Standards
Deep command of international metallurgy standards, mechanical testing protocols and experimental laboratory techniques (TP), shared directly with university and engineering students.
ISO 6892-1:2019International Standard · Mechanical Testing
Uniaxial Tensile Testing of Metallic Materials
Full mastery of room-temperature metallic tensile testing (Method A strain-rate control): accurate determination of Young's modulus (E), 0.2% offset yield strength (Rp0.2), ultimate tensile strength (Rm) and elongation at fracture (A%).
Eurotest-600 universal testing machine & precision extensometry
ISO 6507-1:2018International Standard · Metallurgical Quality Control
Vickers Hardness Testing & Radial Microhardness Mapping (HV10)
Spatial mapping and radial profiling of Vickers hardness under controlled load (98.07 N / HV10, 15 s dwell time) to quantify property gradients across composite and surface-engineered alloys.
Maksuzawa MMT-X7 Vickers hardness tester with motorised turret
ASTM E3 / E112 & JCPDSASTM / ICDD Standards · Microstructural & Phase Analysis
Quantitative Metallography & X-Ray Diffraction (XRD)
Standardised metallographic preparation (SiC grinding P180-P4000, 3 µm and 1 µm diamond polishing, Keller chemical etching) and crystalline phase indexing via Bragg's law against JCPDS reference cards.
Nikon Eclipse LV100ND optical microscope, Zeiss Gemini SEM 300 & Bruker D8 Advance XRD
ISO 9001 & Lab MetrologyQuality Assurance & Computational Engineering
Laboratory Quality Traceability & Inverse Constitutive Modelling
Design of reproducible experimental protocols (centrifugal casting matrices, thermal monitoring), repeatability statistics and inverse parameter identification in Python and COMSOL Multiphysics.
Instrumented centrifugal casting bench, Python (SciPy/ML), Maple & COMSOL FEM
6+ National and International Scientific Conferences
Oral and poster communications presenting advances in metallurgy, functionally graded composites (FGM) and multi-scale mechanical modelling.
01International Conference · Materials Processing & Metallurgy
Centrifugal Casting Synthesis of Al-Matrix Ceramic FGMs
Effect of rotational speed (800-1200 rpm) and ceramic particle density (Al2O3, SiC, Graphite) on controlled radial particle distribution.
02International Conference · Computational Mechanics & Applied AI
Machine Learning-Assisted Constitutive Modelling of AlSi10 FGMs
Inverse identification of 7 elastoplastic constitutive laws (Hollomon, Ludwik, Swift, Voce, Hockett-Sherby, Johnson-Cook) and FEM validation.
03International Conference · Composite Mechanics & Structures
Analytical and Numerical Thermo-Elastic Analysis of Radially Graded Cylinders
Exact Navier solution in Maple compared against 3D finite-element simulations in COMSOL Multiphysics.
04Scientific Congress · Physical Metallurgy & Surface Engineering
FEG-SEM/EDS Microstructural Analysis and ISO 6507-1 Hardness Profiling
Correlation between local ceramic volume fraction, eutectic silicon morphology and radial Vickers hardness gradients.
05Academic Symposium · Higher Education & Materials Engineering
Metal Plasticity, Damage Mechanics and Applied Electrometallurgy
Experimental and pedagogical frameworks for plastic deformation, fracture mechanisms, electrolysis and surface protection.
06Scientific Communication · Technical Ceramics & Filtration
Low-Cost Porous Ceramic Membranes from Algerian DD3 Kaolin
Liquid-phase sintering with bio-sourced CaCO3 pore formers, XRD phase evolution (mullite/anorthite) and 4-point flexural strength.
Student Supervision & Mentoring (BSc, MSc & Engineering Theses)
Extensive experience supervising university laboratory work and research dissertations.
Effect of Rotational Speed and Ceramic Fraction on Pure Al-Al2O3 FGMs
Co-supervisor of MSc research internships with Prof. Nadir Mesrati
Authored detailed experimental protocols (18 specimen matrices, 725 °C melt / 400 °C mould preheating), supervised centrifugal casting runs, metallography, SEM and mechanical testing.
Practical Labs (TP), Metal Plasticity & Damage (45h) and Electrometallurgy (67.5h)
University lecturing, hands-on laboratory sessions and 14+ tutored projects
Trained students in tensile testing, hardness mapping, metallography, electrolysis, case-hardening and standard-compliant technical reporting.
Porous Ceramic Membranes & Numerical Modelling in COMSOL / Python
Experimental, numerical and academic writing supervision
End-to-end mentoring from literature review and XRD/SEM characterisation to finite-element simulation and international journal manuscript preparation.
Try the teaching method.
Choose a subject, answer one question and see how a mistake becomes a useful explanation.
Lower secondary
Advanced online teaching methods
An interactive session that keeps learners actively thinking
Every session keeps the learner actively involved, checks comprehension in real time and builds lasting study habits, whether the student is based in Paris, Berlin, Brussels or elsewhere in Europe.
Google MeetGoogle ClassroomGoogle Drive
Prepare and organise
Structured lesson notes, visual summaries, graded exercises and learning resources are centralised in a dedicated Google Drive workspace.
Practise live together
On Google Meet, problems and Arabic texts are worked through on a shared board; dictations are read and corrected stroke by stroke. Live quizzes run via Google Classroom.
Explain and refine
Using active recall, the student explains concepts in their own words. Mistakes are analysed constructively to strengthen every step of the reasoning process.
Track progress in real time
Attention and mastery are monitored throughout each lesson. An individual progress sheet records achievements, mastered topics and next milestones.
Shared whiteboard, guided exercises and live dictations on Google MeetActive recall: learners verbalise their reasoning to lock in understandingFormative micro-quizzes and live checks with Google ClassroomCalm, distraction-free environment supporting deep cognitive focusClear progress tracking shared with learners and parents
Develop subject knowledge, practical skills and study autonomy.
Built on more than ten years of school, associative and university teaching, this method unites conceptual clarity, hands-on practice, focused attention and structured study skills.
Get organised
Break language, school or university goals into clear, achievable steps.
- Plan weekly study sessions effectively
- Manage time during exams
- Prepare methodically for assessments and defences
Work with focused attention
Create the cognitive conditions needed to listen, understand, reason and communicate clearly.
- Sustain single-task focus
- Take structured, high-clarity notes
- Present written and analytical work with care
Learn actively
Move from passive reading to active retrieval and problem-solving that builds long-term memory.
- Explain concepts aloud in your own words
- Summarise lessons with diagrams and root maps
- Turn worked solutions and feedback into lasting reflexes
Pedagogical innovation & Cognitive learning science
The 7 pillars of active, personalised learning
Grounded in cognitive psychology and the foundations of personalised learning in higher education, Dr Medjane Chahinez replaces passive memorisation with active understanding and structured autonomy.
01 · Active verbalisation
Explain to master (Active recall & Feynman method)
A concept is truly mastered only when the learner can explain it clearly in their own words. Students actively verbalise their reasoning at every step.
The student explains why a specific theorem or physical law applies before writing down equations.
The learner explains case endings and breaks down word roots aloud to anchor grammar rules.
The student physically interprets stress-strain curves, phase diagrams or XRD diffraction peaks.
Foundations of personalised learning (School & Higher Education)
A three-tier pedagogical architecture guiding learners from foundational clarity to full academic independence.
1. Diagnostic & Cognitive Baseline
Precise assessment of prior knowledge, methodological gaps and learning pace during the initial video consultation.
2. Active Scaffolding & Live Practice
Structured Google Drive resources, live problem-solving on Google Meet and constant bridges between theory and experimental lab work (TP).
3. Autonomy, Standards & Exam Excellence
Scientific writing mastery, preparation for European school exams (Baccalaureate, Abitur, CESS) and university mentoring (BSc, MSc, thesis).
Tracking example
See how progress becomes a clear next step.
After a lesson, qualitative tracking separates what is understood from what still needs practice.
Needs consolidation
Reasoning begins with support.
The student recognises the equation but still hesitates about which operation should come first.
Teaching example with no real student data or invented score.
Choose the setting that fits your goals
One-to-one lessons and small-group cohorts share the same commitment to clarity, active participation and structured progress tracking.
One-to-one live lesson
A session built entirely around one learner's pace, questions and objectives in Arabic, school sciences or university materials engineering.
- Pace adapted session by session
- Targeted work on school, language or university goals
- Individual progress tracking and detailed feedback
Small-group lesson (3 to 5 learners)
Learners at a similar level across Europe progress together, practise spoken dialogue and solve shared exercises live.
- Carefully matched groups by age and level
- Lively spoken practice (ideal for Arabic and science revision)
- Individual attention preserved through small group size
What kind of support might fit?
Answer four questions. The result stays on this page and does not replace an initial conversation.
Everything to know before booking your first call
Clear answers about online Arabic courses in Europe, science tutoring, university mentoring and how live sessions work.
Do you teach students living in France, Germany and Belgium?
Yes. Live sessions are scheduled to suit European time zones and school calendars across France, Germany, Belgium, Switzerland and beyond, taking into account each student's curriculum (French Baccalaureate, Abitur, CESS, European and international schools).
How are the Arabic lessons structured for learners in Europe?
The Arabic programme follows a clear 4-stage progression: (1) alphabet and phonetics, (2) fluent vocalised reading, (3) interactive dictation and trilateral root grammar, and (4) spoken dialogue and cultural fluency. Developed through volunteer associative teaching in France and international online cohorts, lessons can be explained in French or English.
Who are the mathematics, physics and chemistry lessons for?
They support school students from primary level to Baccalaureate / Abitur / CESS finals, focusing on conceptual clarity, rigorous problem-solving and independent study habits.
Do you offer university tutoring in Materials Science and Metallurgy?
Yes. As a PhD metallurgist and lecturer at the University of Oran, Dr Medjane Chahinez mentors BSc, MSc and engineering students in materials science, physical metallurgy, plasticity, electrometallurgy, practical lab work (TP), ISO testing standards (ISO 6892-1, ISO 6507-1, XRD) and thesis preparation.
What is the difference between a one-to-one lesson and a small-group lesson?
A one-to-one lesson adapts entirely to a single learner's pace and priorities. A small-group lesson (3 to 5 learners at a comparable level) encourages spoken interaction and collaborative problem-solving while keeping feedback personal.
How does an online session work in practice?
Sessions take place live on Google Meet using a shared digital board. They combine visual explanations, active student verbalisation, guided exercises, live dictations and formative quizzes via Google Classroom, with all resources organised on Google Drive.
Is there practice work between sessions?
Targeted exercises or short reading tasks can be assigned between lessons to consolidate memory. Reviewing them together at the start of the next session turns mistakes into lasting mastery.
How is student progress tracked?
An individual progress sheet records topics covered, skills mastered, quiz outcomes and upcoming priorities, giving learners and parents complete visibility.
Are study skills included in the lessons?
Yes. Planning, focused single-task attention, structured note-taking, visual summarising and exam technique are woven into every course.
How can I book an initial conversation?
Click Book a video call or complete the contact form with your subject (Arabic, maths, physics, chemistry, materials science or study skills), current level and availability.
Initial video consultation · Europe & International
Let's discuss your learning goal.
Share your objective (learning Arabic, school science support or university mentoring), current level and country of residence to design the right learning plan.
Book an initial diagnostic video call
Schedule a video call to assess your starting level, preview teaching materials and ask any initial questions.
Book a video callchahinezmedjane2017@gmail.com