
Abderrahim Michrafy
Présentation
PERSONAL SUMMARY
In 1988, I obtained my Ph.D. in applied mathematics from the University of Bordeaux, France. Then, I joined the CNRS (French Council Research Centre) in 1989 as Research Engineer in modeling and computation science. Since, I successively worked for three French laboratories in chemical and mechanical fields (LRGP, Nancy, ICA- Albi and RAPSODEE, Albi). In 2011, I successfully defended my HDR (Habilitation à Diriger des Recherches).
My research is focused on mechanical material behaviours (continuum solid mechanics and particulate solids) and on finite element modeling (FEM) of forming process. Currently in the lab. of Particulate Solids and Processes of Ecole des Mines (RAPSODEE Albi, France), I develop research work on die and roll-compaction processes for pharmaceutical and mineral applications. I was involved in different projects (regional, national and European) and in a patent filing. I supervised PhD, postdoctoral, M. Sc students and gave training courses in high graduate schools and Universities in FEM modeling and Pharmaceutical Processes. A part of publication concerned damage modeling of composite material and hot rolling process, but the most scientific production focused on powder technology and dry granulation/compaction process with more forty publications and book chapters.
MAIN INDUSTRIAL PROJECTS AND TRAINING PROGRAMMES
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2018-2022: Project funded by an Industrial Partner and the local Government of the region Midi-Pyrenees, on the damage modelling during the compaction of energetic material
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2017- 2020: Project funded by the Ecole des Mines and CNRS on the thermo-mechanical modeling aspects in compaction process of sensitive pharmaceutical powders to the temperature
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2013 - 2017: Partner of the European Project IPROCOM (the development of in silico process models for roll compaction - FP7-PEOPLE-ITN), which consists of 10 full partners and 15 ESR & ER
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2013 - 2015: Partner of an innovative project funded by a pharmaceutical company, a food company and the regional government. A new product for both health and nutrition was developed as part of this project, which resulted in a patent filing.
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2012 - 2013: Partner of industrial project with Lafarge Company on milling process modeling of mineral products
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2006 - 2008: Project IMCAT (Innovative Materials for CO2 Capture by Adsorption Technology) funded by the National Research Agency (ANR) and coordinated by Air-Liquid Company. Three laboratories (RAPSODEE, ICMUB, ENSCP) were implied in this research program to develop MOFs (Metal-Organic Frameworks) materials for catalysis applications.
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2005 - 2006: Collaborative project with the Chair of Process Engineering TU München–Weihenstephan funded by “le centre inter-universitaire Franco-Bavarois”. This project concerned “Numerical modeling of rolling compaction process” and gave opportunity to PhD students to have secondment in France and Germany (Dr. Stefan Haas & Dr. Daniela Herold from the lab. of Prof. K. Sommer).
AREAS OF EXPERTISE
Elastic plastic behaviour Modeling; Computer Science; Finite Element Methods; Die & Roll Compaction process; hot rolling process; Material Characterizations
Compétences
Publications
Publications
Experimental and numerical investigations of structural inhomogeneity of pharmaceutical compactsEMMC19 - European Mechanics of Materials Conference, SUNIVERSIDAD POLITECNICA DE MADRID, May 2024, MADRID, Spain
Communication dans un congrès
hal-04933789
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Rolling process modelling & related challenges towards floating roll simulation9th International Granulation workshop, The University of Sheffield and Nestlé Research Vers-chez-les-Blanc, Jun 2019, Lausanne, Switzerland, Switzerland
Communication dans un congrès
hal-04933801
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Modeling of aerated powder consolidation in roller compaction processPARTEC 2013 -International Congress on Particle Technology, Apr 2013, Nürnberg, Germany. 4 p
Communication dans un congrès
hal-01741803
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The flow of fine powders during roll compactionSFGP 2013 -14ème Congrès français en génie des procédés, Oct 2013, Lyon, France. Art.2013120501-8 p
Communication dans un congrès
hal-01769829
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Understanding effects of air pressure in fine powders during roll compaction process6th International granulation workshop, Jun 2013, Sheffield, United Kingdom. 12 p
Communication dans un congrès
hal-01741804
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Analyse expérimentale de délaminage de comprimés bi-couchesSTP 2012 -7ème Colloque Science et Technologie des Poudres, Jul 2012, Toulouse, France. 8 p
Communication dans un congrès
hal-01768690
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Behavior of wetted insoluble granular materials : effect of particle shape5th International granulation workshop, Jun 2011, Lausanne, Switzerland. 14 p
Communication dans un congrès
hal-01757375
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Modification of granular behavior by roller compactionWCPT6 2010 -World Congress on Particle Technology, Apr 2010, Nuremberg, Germany. 4 p
Communication dans un congrès
hal-01753259
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Caractérisation mécanique de granulés d'alumine en compression uniaxialeMatériaux 2010, Oct 2010, Nantes, France. 8 p
Communication dans un congrès
hal-01768697
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Effect of process parameters and binder nature on the mechanical properties of granules obtained in a laboratory high shear mixerWCPT6 2010 -World Congress on Particle Technology, Apr 2010, Nuremberg, Germany. 4 p
Communication dans un congrès
hal-01757389
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Analysis of strain stress state in roller compaction processSTPMF 2009 -Colloque Science et Technologie des Poudres & Matériaux Frittés, May 2009, Montpellier, France. 12 p
Communication dans un congrès
hal-01768700
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Experimental and numerical analysis of homogenenity over strip width in roll compaction9th International symposium on agglomeration, Jun 2009, Sheffield, United Kingdom. 14 p
Communication dans un congrès
hal-01757394
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Three-dimensional FEM analysis of rolling compaction of pharmaceutical excipientsPSA 2008 -Particulate Systems Analysis 2008, Sep 2008, Stratford-upon-Avon, United Kingdom. 5 p
Communication dans un congrès
hal-01753288
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Modelling of pharmaceutical powder compaction and its sensitivity to powder properties and tablet curvatureSFGP 2007 - 11ème congrès de la société française de génie des procédés, Oct 2007, Saint Etienne, France. 7 p
Communication dans un congrès
hal-01769875
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Resistance de comprimés binaires concaves : effet de courbure et proportions de mélangeSTP 2007 -Science et technologie des poudres, May 2007, Albi, France. 6 p
Communication dans un congrès
hal-01769874
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Stoichiometry and particles morphology effects on the aptitude to the compaction of apatitic structure powdersSTP 2007 -Science et technologie des poudres, May 2007, Albi, France. 6 p
Communication dans un congrès
hal-01769870
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Analyse de la pression d'alimentation dans le procédé de compactage à rouleauxSFGP 2007 - 11ème congrès de la société française de génie des procédés, Oct 2007, Saint Etienne, France. 7 p
Communication dans un congrès
hal-01768715
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Procédé de compactage à rouleaux : analyse de la pression d'alimentationSTP 2007 -Science et technologie des poudres, May 2007, Albi, France. 6 p
Communication dans un congrès
hal-01769868
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Size effect in transient thermal fatigue testing and thermo-mechanical screening of coatingsTOOL 06 -7th International tooling conference, May 2006, Torino, Italy. p.555-562
Communication dans un congrès
hal-01781645
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Effects of die and punches temperature on the compaction of pharmaceutical powders8th International Symposium on Agglomeration, Mar 2005, Bangkok, Thailand. p.311-316
Communication dans un congrès
hal-01782619
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A normalized approach to optimize the coating/substrate couples with regards to thermal stresses : conditions for thermo-mechanical screening6th International Congress on Thermal Stresses, May 2005, Vienna, Austria. p.111-114
Communication dans un congrès
hal-01782621
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Compression des poudres pharmaceutiques : analyse expérimentale et numérique de la distribution de densité4ème Colloque Science et technologie des poudres -Récents progrès en génie des procédés, May 2004, Compiègne, France. 9 p
Communication dans un congrès
hal-01780099
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Wall friction in the compaction of pharmaceutical powders : measurement and effect on the density distributionAPHYS-2003 international conference, Oct 2003, Badajov, Spain. 5 p
Communication dans un congrès
hal-01781688
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Heat transfer in a gravity casting die influence of process parametersModeling of casting, welding and advanced solidification processes IX, Aug 2000, Aachen, Germany. p.705-712
Communication dans un congrès
hal-01796860
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Tablet microstructures induced by embossed features of compacting punch : case study analysis10th International Granulation Workshop (2023), Jun 2023, Sheffield, United Kingdom.
Poster de conférence
hal-04947741
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Analysis of compaction behaviour of granulated materials using Cooper-Eaton equation9th International Granulation Workshop, Jun 2019, Lausanne, Switzerland
Poster de conférence
hal-04976801
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Dry granulation process modelingPredictive Modeling of Pharmaceutical Unit Operations (chap. 4), Elsevier, p.71-97, 2017, Woodhead publishing series in biomedicine ; 87, 978-0-08-100154-7. ⟨10.1016/B978-0-08-100154-7.00004-1⟩
Chapitre d'ouvrage
hal-01693629
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Rapport de Prospective Conseil Scientifique CNRS Ingénierie (Ex: INSIS)CNRS Ingénierie. 2023
Rapport
hal-04357891
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Approche continue appliquée à la mise en forme de matériaux granulaires.Génie des procédés. Université Paul Sabatier - Toulouse III, 2011
HDR
tel-04418803
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