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57

Maître-Assistant IMT Mines Albi - Dr. Eng. MS


Journal articles16 documents

  • Olivier de Almeida, Lisa Feuillerat, Vivien Nouri, Karim Choquet. Influence of composite preform fabrication on the integrity of poly‐aryl‐ether‐ketone matrices. Journal of Applied Polymer Science, Wiley, In press, ⟨10.1002/app.50719⟩. ⟨hal-03192033⟩
  • Saber Chelaghma, Olivier de Almeida, Philippe Marguerès, Jean-Charles Passieux, Jean-Noël Périé, et al.. Identification of Isothermal crystallization kinetics of poly(ether-ketone-ketone) based on spherulite growth measurements and enthalpic data. Polymer Crystallization, Wiley, 2020, 3 (4), pp.e10141. ⟨10.1002/pcr2.10141⟩. ⟨hal-02905099⟩
  • Vivien Nouri, Marigilson Pontes de Siqueira Moura, Bruno Payré, Olivier de Almeida, Christophe Dejugnat, et al.. How an organogelator can gelate water: gelation transfer from oil to water induced by a nanoemulsion. Soft Matter, Royal Society of Chemistry, 2020, pp.2371-2378. ⟨10.1039/d0sm00128g⟩. ⟨hal-02484264⟩
  • Olivier de Almeida, Jean-François Ferrero, Laurent Escale, Gérard Bernhart. Charpy test investigation of the influence of fabric weave and fibre nature on impact properties of PEEK-reinforced composites. Journal of Thermoplastic Composite Materials, SAGE Publications (UK and US), 2019, 32 (6), pp.729-745. ⟨10.1177/0892705718778744⟩. ⟨hal-01817916⟩
  • Sinan Boztepe, Olivier de Almeida, Rémi Gilblas, Yannick Le Maoult, Fabrice Schmidt, et al.. A combined experimental and numerical approach for radiation heat transfer in semi-crystalline thermoplastics. International Journal of Thermal Sciences, Elsevier, 2019, 142, pp.142-155. ⟨10.1016/j.ijthermalsci.2019.04.020⟩. ⟨hal-02109750⟩
  • K.R. Ramakrishnan, Nicolas Le Moigne, Olivier de Almeida, Arnaud Regazzi, S. Corn. Optimized manufacturing of thermoplastic biocomposites by fast induction-heated compression moulding: influence of processing parameters on microstructure development and mechanical behaviour. Composites Part A: Applied Science and Manufacturing, Elsevier, 2019, 124, pp.105493. ⟨10.1016/j.compositesa.2019.105493⟩. ⟨hal-02169387⟩
  • Céline Vicard, Olivier de Almeida, Arthur Cantarel, Gérard Bernhart. Modeling of the polymerization and crystallization kinetic coupling of polyamide 6 synthesized from ε-caprolactam. Polymer, Elsevier, 2019, 180, pp.121681. ⟨10.1016/j.polymer.2019.121681⟩. ⟨hal-02263670⟩
  • Theo Baumard, Gary Menary, Olivier de Almeida, Peter Martin, Fabrice Schmidt, et al.. Experimental characterization and modeling of the temperature and rate-dependent shear behaviour of powder-impregnated glass fiber/PA66 woven semipregs. Composites Science and Technology, Elsevier, 2019, 180, pp.23-32. ⟨10.1016/j.compscitech.2019.05.011⟩. ⟨hal-02134092⟩
  • Céline Vicard, Olivier de Almeida, Arthur Cantarel, Gérard Bernhart. Diagramme TTT isotherme de la polymérisation anionique du PA6 à partir de l'epsilon-caprolactame. Revue des composites et des matériaux avancés, Lavoisier, 2018, Mise en oeuvre des composites à matrice thermoplastique, 28 (1), p.89-110. ⟨10.3166/rcma.28.89-110⟩. ⟨hal-01841332⟩
  • Saber Chelaghma, Olivier de Almeida, Philippe Marguerès, Jean-Noël Périé, Jean-Charles Passieux, et al.. Characterization of multifunctional thermoplastic composites. JEC Composites Magazine, JEC Group, 2018, 55 (125), p.62-65. ⟨hal-01957044⟩
  • Sinan Boztepe, Rémi Gilblas, Olivier de Almeida, Christian Gerlach, Yannick Le Maoult, et al.. The role of microcrystalline structure on optical scattering characteristics of semi-crystalline thermoplastics and the accuracy of numerical input for IR-heating modeling. International Journal of Material Forming, Springer Verlag, 2018, 11 (5), pp.717-727. ⟨10.1007/s12289-017-1386-z⟩. ⟨hal-01869104⟩
  • Céline Vicard, Olivier de Almeida, Arthur Cantarel, Gérard Bernhart. Experimental study of polymerization and crystallization kinetics of polyamide 6 obtained by anionic ring opening polymerization of ε-caprolactam. Polymer, Elsevier, 2017, 132, p.88 - 97. ⟨10.1016/j.polymer.2017.10.039⟩. ⟨hal-01630266⟩
  • Imen Ksouri, Olivier de Almeida, Nader Haddar. Long term ageing of polyamide 6 and polyamide 6 reinforced with 30% of glass fibers: physicochemical, mechanical and morphological characterization. Journal of Polymer Research, Springer Verlag, 2017, 24 (8), pp.133. ⟨10.1007/s10965-017-1292-6⟩. ⟨hal-01620027⟩
  • Emeline Bessard, Olivier de Almeida, Gérard Bernhart. Unified isothermal and non-isothermal modelling of neat PEEK crystallization. Journal of Thermal Analysis and Calorimetry, Springer Verlag, 2014, 115 (2), p. 1669-1678. ⟨10.1007/s10973-013-3308-8⟩. ⟨hal-01611997⟩
  • Christophe Paris, Gérard Bernhart, Philippe Olivier, Olivier de Almeida. Influence de cycles de cuisson rapides sur le préimprégné aéronautique M21/T700 : suivi de polymérisation et propriétés mécaniques. Matériaux & Techniques, EDP Sciences, 2012, 100 (6-7), p.611-622. ⟨hal-01851414⟩
  • Olivier de Almeida, Fabienne Lagattu, Jean Brillaud. Analysis by a 3D DIC technique of volumetric deformation gradients: Application to polypropylene/EPR/talc composites. Composites Part A: Applied Science and Manufacturing, Elsevier, 2008, 39 (8), pp.1210 - 1217. ⟨10.1016/j.compositesa.2007.08.028⟩. ⟨hal-01869950⟩

Conference papers38 documents

  • Jennifer Mackie, Olivier de Almeida, Fabrice Schmidt, Karine Labastie. Modeling of IR lamps with coated reflector used in the slurry powder impregnation process of composite tapes. ESAFORM 2019 - 22nd International ESAFORM Conference on Material Forming, May 2019, Vitoria-Gasteiz, Spain. ⟨10.1063/1.5112665⟩. ⟨hal-02196898⟩
  • Jennifer Mackie, Olivier de Almeida, Fabrice Schmidt, Karine Labastie. Modélisation de lampes IR avec réflecteur intégré utilisées dans le procédé de fabrication de pré-imprégné thermoplastique. JNC 21 : Journées Nationales sur les Composites 2019, École Nationale Supérieure d'Arts et Métiers (ENSAM) - Bordeaux, Jul 2019, Bordeaux, Talence, France. 7 p. ⟨hal-02421155⟩
  • Lisa Feuillerat, Olivier de Almeida, Jean-Charles Fontanier, Fabrice Schmidt. Integrity of PEEK in composite semi-finished products and its impact on impregnation. JNC 21 : Journées Nationales sur les Composites 2019, École Nationale Supérieure d'Arts et Métiers (ENSAM) - Bordeaux, Jul 2019, Bordeaux, Talence, France. 10 p. ⟨hal-02424003⟩
  • Saber Chelaghma, Jean-Charles Passieux, Olivier de Almeida, Jean-Noël Périé, Philippe Marguerès, et al.. Modélisation Pixel Coloring de la cristallisation du PEKK. 21ème Journées Nationales sur les Composites, École Nationale Supérieure d'Arts et Métiers (ENSAM) - Bordeaux, Jul 2019, Bordeaux, Talence, France. ⟨hal-02271995⟩
  • Saber Chelaghma, Olivier de Almeida, Jean-Noël Périé, Philippe Marguerès, Jean-Charles Passieux, et al.. Isothermal crystallization modeling of PEKK composite: kinetic and morphology predictions. 22nd International Conference on Composite Materials 2019 - ICCM22, Aug 2019, Melbourne, Australia. ⟨hal-02272014⟩
  • Saber Chelaghma, Olivier de Almeida, Jean-Charles Passieux, Philippe Marguerès, Jean-Noël Périé, et al.. Etude et modélisation de la cinétique de cristallisation de composites à matrice PEKK (poly-ether-ketone-ketone). 4e Journées Matériaux Numériques, Jun 2019, Amboise, France. ⟨hal-02272003⟩
  • T. Baumard, G. Menary, Olivier de Almeida, Fabrice Schmidt, J Bikard. Characterisation and modelling of the temperature and rate dependent shear behaviour of a non-consolidated powder impregnated fabric. ECCM18 - 18th European Conference on Composite Materials, Jun 2018, Athens, Greece. pp.24 - 28. ⟨hal-02064283⟩
  • Sinan Boztepe, Rémi Gilblas, Olivier de Almeida, Yannick Le Maoult, Fabrice Schmidt. Cost-effective computational method for radiation heat transfer in semi-crystalline polymers. ESAFORM 2018 - 21st International ESAFORM Conference on Material Forming, Apr 2018, Palermo, Italy. pp.art.120005, ⟨10.1063/1.5034973⟩. ⟨hal-01818602⟩
  • Saber Chelaghma, Jean-Noël Périé, Philippe Marguerès, Jean-Charles Passieux, Olivier de Almeida, et al.. Functionalization of C/PEKK composite for aerospace application, characterization and modeling of composite properties. The Composites and Advanced Materials Expo (CAMX), Oct 2018, Dallas, United States. ⟨hal-01927744⟩
  • Sinan Boztepe, Rémi Gilblas, Olivier de Almeida, Fabrice Schmidt, Yannick Le Maoult. Inverse method to estimate the size of scatterers in semi-crystalline thermoplastics via laser scattering and spectroscopic analyses. SFT, May 2018, Pau, France. ⟨hal-02064311⟩
  • Céline Vicard, Olivier de Almeida, Arthur Cantarel, Gérard Bernhart. TTT diagram of the anionic polymerization PA6 from ε-Caprolactam. ICCM 21 - 21th International Conference on Composite Materials, Aug 2017, Xi'an, China. 10 p. ⟨hal-01699337⟩
  • T. Baumard, Olivier de Almeida, G. Menary, Fabrice Schmidt, J. Bikard. Simulation de la mise en forme de tissus préimprégnés par thermoformage. JST Mise en Oeuvre des Composites à Matrice Thermoplastique, 2017, Toulouse, France. ⟨hal-02047624⟩
  • Céline Vicard, Olivier de Almeida, Arthur Cantarel, Gérard Bernhart. Diagramme TTT de la polymérisation anionique du PA6 à partir de l'ε-caprolactame et influence des fibres sur les cinétiques. JNC 20 - Journées Nationales sur les Composites 2017, École des Ponts ParisTech (ENPC), Jun 2017, Champs-sur-Marne, France. ⟨hal-01623675⟩
  • Saber Chelaghma, Olivier de Almeida, Jean-Noël Périé, Philippe Marguerès, Bénédicte Reine, et al.. Investigation of PEKK crystal morphology and modelling of the crystallization kinetic of PEKK composites. JNC 20 - Journées Nationales sur les Composites, Jun 2017, Champs-sur-Marne, France. p.859-868. ⟨hal-01686602⟩
  • Sinan Boztepe, Rémi Gilblas, Olivier de Almeida, Fabrice Schmidt, Yannick Le Maoult. The role of microcrystalline structure on the temperature-dependent thermo-optical properties of semi-crystalline thermoplastics and non-invasive temperature measurements. SFT 2017 - Congrès annuel de la Société Française de Thermique, May 2017, Marseille, France. ⟨hal-01617169⟩
  • Karthik Ram Ramakrishnan, Nicolas Le Moigne, Stéphane Corn, Olivier de Almeida. A study on the influence of processing parameters on damping, elastic and ultimate properties of commingled flax-polypropylene composites. ICCM 21 - 21th International Conference on Composite Materials, ICCM; CHINESE SOCIETY FOR COMPOSITE MATERIALS, Aug 2017, Xi'an, China. 12 p. ⟨hal-01618348⟩
  • Saber Chelaghma, Olivier de Almeida, Philippe Marguerès, Jean-Charles Passieux, Jean-Noël Périé, et al.. Etude de la morphologie cristalline du PEKK et caractérisation de la cinétique de cristallisation des composites à matrice PEKK. Journées Scientifiques et Techniques de l’AMAC (JST), Jan 2017, Toulouse, France. ⟨hal-01927730⟩
  • Sinan Boztepe, Rémi Gilblas, Olivier de Almeida, Yannick Le Maoult, Fabrice Schmidt. A non-invasive experimental approach for surface temperature measurements on semi-crystalline thermoplastics. ESAFORM 2017 - 20h International ESAFORM conference on Material Forming, Apr 2017, Dublin, Ireland. pp.060007, ⟨10.1063/1.5008070⟩. ⟨hal-01613022⟩
  • Theo Baumard, Gary Menary, Olivier de Almeida, Fabrice Schmidt, Peter Martin, et al.. Towards a coupled heating-forming simulation of the thermoforming of thermoplastic composites. ESAFORM 2017 - 20h International ESAFORM conference on Material Forming, Apr 2017, Dublin, France. ⟨10.1063/1.5008022⟩. ⟨hal-01629284v2⟩
  • Sinan Boztepe, Olivier de Almeida, Yannick Le Maoult, Fabrice Schmidt. Identification of the temperature dependent relation between thermo-optical properties and morphology of semi-crystalline thermoplastics for thermoforming process. 32nd International Conference of the POLYMER PROCESSING SOCIETY, Jul 2016, Lyon, France. ⟨hal-02081025⟩
  • Sinan Boztepe, Abdoulahad Thiam, Olivier de Almeida, Yannick Le Maoult, Fabrice Schmidt. Experimental analysis on the coupled effect between thermo-optical properties and microstructure of semi-crystalline thermoplastics. ESAFORM 2016 - 19th International ESAFORM Conference on Material Forming, Apr 2016, Nantes, France. art. 020006 - 7 p., ⟨10.1063/1.4963410⟩. ⟨hal-01609025⟩
  • Theo Baumard, Olivier de Almeida, Gary Menary, Yannick Le Maoult, Fabrice Schmidt, et al.. Determination of Thermal Contact Conductance in Vacuum-Bagged Thermoplastic Prepreg Stacks Using Infrared Thermography. ESAFORM 2016 - PROCEEDINGS OF THE 19TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING, Apr 2016, Nantes, France. art. 110002- 6 p., ⟨10.1063/1.4963511⟩. ⟨hal-01609112⟩
  • Theo Baumard, Olivier de Almeida, Gary Menary, Fabrice Schmidt, Peter Martin, et al.. Coupled heating-forming simulation of the thermoforming of thermoplastic composites. ITHEC 2016 - 3rd International conference & exhibition on thermoplastic composites, Oct 2016, Bremen, Germany. p.20-23. ⟨hal-01719631⟩
  • Olivier de Almeida, Emeline Bessard, Gérard Bernhart. DSC Investigation of the influence of carbon content on peek crystallisation and stability. ICCM 19 -19th International Conference on Composite Materials, Jul 2013, Montreal, Canada. p.8624-8625. ⟨hal-01760264⟩
  • Abdelmagid El Bakali, Olivier de Almeida, Jérôme Bikard, Maxime Villière, Fabrice Schmidt, et al.. Simulation of IR Heating for Composite Stamping. ESAFORM 2013 - 16th Annual ESAFORM conference on material forming, Apr 2013, Aveiro, Portugal. p.1523-1529, ⟨10.4028/www.scientific.net/KEM.554-557.1523⟩. ⟨hal-01578974⟩
  • Laurent Escale, Olivier de Almeida, Gérard Bernhart, Jean-François Ferrero, Baudelocque Guillaume. Comportement de composites stratifiés sous impact Charpy : influence de la nature des fibres et des porosités. JNC 18 - 18èmes Journées Nationales sur les Composites, Jun 2013, Nantes, France. 9 p. ⟨hal-01745295⟩
  • Emeline Bessard, Olivier de Almeida, Gérard Bernhart. Experimental and modeling of isothermal crystallization of peek matrix and c/peek composites with application of parallel Avrami model. ECCM 15 -15th European Conference on Composite Materials, Jun 2012, Venice, Italy. 7 p. ⟨hal-01760266⟩
  • E. Bessard, Olivier de Almeida, Gérard Bernhart. Processing Parameter Optimisation of C/PEEK Composites using Fast Thermo-Compression Technology. Russian-French Symposium on Composite Materials, 10-13 july – Saint-Petersbourg – Russia, 2012, Saint-Petersbourg, Russia. ⟨hal-02187242⟩
  • Olivier de Almeida, Emeline Bessard, Gérard Bernhart. Influence of processing parameters and semi-finished product on consolidation of carbon/peek laminates. ECCM 15 -15th European Conference on Composite Materials, Jun 2012, Venice, Italy. 8 p. ⟨hal-01764775⟩
  • Jérémie Vignes, Fabrice Schmidt, Gilles Dusserre, Olivier de Almeida, Jean Frederic Dalmasso. Numerical simulations of clay tiles compression. ESAFORM 2012 - 15th International ESAFORM Conference on material forming, Mar 2012, Erlangen, Germany. pp.1403-1408, ⟨10.4028/www.scientific.net/KEM.504-506.1403⟩. ⟨hal-01687321⟩
  • Laurent Escale, Olivier de Almeida, Gérard Bernhart, Jean-François Ferrero. Comparison of the impact resistance of carbon/epoxy and carbon/peek composite laminates. ECCM 15 -15th European Conference on Composite Materials, Jun 2012, Venice, Italy. 7 p. ⟨hal-01760269⟩
  • Emeline Bessard, Olivier de Almeida, Gérard Bernhart. Etude et modélisation de la cinétique de cristallisation du PEEK lors de refroidissements isothermes et anisothermes. 17èmes Journées Nationales sur les Composites (JNC17), Jun 2011, Poitiers-Futuroscope, France. pp.105. ⟨hal-00598154⟩
  • C. Paris, Gérard Bernhart, P.A. Olivier, Olivier de Almeida. Influence de cycles de cuisson rapides sur le préimprégné aéronautique M21/T700 : suivi de polymérisation et propriétés mécaniques. 17èmes Journées Nationales sur les Composites (JNC17), Jun 2011, Poitiers-Futuroscope, France. pp.123. ⟨hal-00598109⟩
  • Emeline Bessard, Olivier de Almeida, Gérard Bernhart. Analyse du comportement du PEEK dans le procédé de fabrication de composites structuraux par thermo-compression. Matériaux 2010, Oct 2010, Nantes, France. 7 p. ⟨hal-01771348⟩
  • Emeline Bessard, Olivier de Almeida, Gérard Bernhart. Melt state behaviour of PEEK and processing window interpretation for fast compression moulding process. AMPT 2010 - International conference on Advances in Materials and Processing Technologies, Oct 2010, Paris, France. pp.167-172. ⟨hal-01717321⟩
  • Olivier de Almeida, Fabienne Touchard, Laurence Chocinski-Arnault. Heterogeneous tensile behavior of impact-modified polypropylene plates processed by injection moulding. PPS 26 -The Polymer Processing Society 26th Annual meeting, Jul 2010, Banff, Canada. 11 p. ⟨hal-01760276⟩
  • Cécile Berriet, Laurent Lesellier, N. Bahlouli, D. Pessey, Olivier de Almeida, et al.. Influence de polluants sur les propriétés mécaniques de PP-chocs issus du recyclage des véhicules hors d'usage. DEPOS 21, 2007, Lille, France. ⟨hal-00330197⟩
  • F. Lagattu, L. Chocinski, Olivier de Almeida, N. Bahlouli, D. Pessey, et al.. Etude des propriétés des PP-chocs issus du recyclage des véhicules hors d'usage. DEPOS XX, 2006, Obernai, France. ⟨hal-00157560⟩

Poster communications1 document

  • E. Bessard, Olivier de Almeida, Gérard Bernhart. Manufacturing of structural thermoplastic composites with fast compression moulding process. SAMPE Europe, Paris, France, 2012, Paris, France. 2012. ⟨hal-02185702⟩

Directions of work or proceedings1 document

  • Olivier de Almeida, Philippe Olivier. Mise en œuvre des composites à matrice thermoplastique. JST AMAC 2017 - Journées Scientifiques et Techniques de l'AMAC, Jan 2017, Toulouse, France. Revue des composites et des matériaux avancés, 28 (1), 134 p., 2018, Mise en oeuvre des composites à matrice thermoplastique. ⟨hal-01841374⟩

Preprints, Working Papers, ...1 document

  • Olivier de Almeida, Aurélien Mazzoni. Assessment of induction heated mould technologies for high-temperature thermoplastic composite manufacturing. 2016. ⟨hal-03150409⟩