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QUALITY ASSURANCE SYSTEM FOR MONITORING THE ONLINE RESIN IMPREGNATION DURING FIBER-TOW-PLACEMENT: A REVIEW OF THE STATE-OF-THE-ART APPROACHES

Stefan Mittmann (Airbus Group Innovations) Christian Weimer (Airbus Group Innovations) A. Friedberger (Airbus Group Innovations) Andreas Gessler (Airbus Group Innovations)

 

In this study an overview of the state-of-the-art approaches, their potentials and weak points as well as possible solutions for the measurement of the resin content of carbon fiber tows will be presented.

 

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ADDITIVE MANUFACTURING OF THERMOSETTING RESINS

Hilmar Koerner (Air Force Research Laboratory) Sarah Izor (Air Force Research Laboratory) Ruel McKenzie (Air Force Research Laboratory)

 

The design of new high temperature thermosetting resins with high crosslink densities enables additive manufacturing of parts with high service temperatures and excellent thermo-oxidative stability.

 

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ADDITIVE MANUFACTURING OF LOCALLY RESONANT COMPOSITE METAMATERIALS

Irfan Raza (Imperial Colege London) Lorenzo Iannucci (Imperial College London) Paul Curtis (Defence Science and Technology Laboratory)

 

A custom made multi-material 3D printer had been developed which is design to manufacture locally resonant type metamaterials.

 

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CHARACTERIZATION OF COMPOSITES MADE BY ADDITIVE LAYER MANUFACTURING TECHNOLOGIES

Jesús Justo Estebaranz (Universidad de Sevilla) María José Mesa (Universidad de Sevilla) C. Brioso (Universidad de Sevilla) Luis Távara (Universidad de Sevilla) Federico París (Universidad de Sevilla)

 

Tensile and compression properties of composites made by additive layer manufacturing technologies are obtained. The properties are compared with common pre-preg and ALM materials.

 

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GRAPHENE-ABS NANOCOMPOSITES FOR FUSED DEPOSITION MODELLING

Sithiprumnea Dul (University of Trento) Haroon Mahmood (University of Trento) Luca Fambri (University of Trento) Alessandro Pegoretti (University of Trento)

 

Graphene nanoplatelets (xGnP) were incorporated at 4 wt% in acrylonitrile-butadiene-styrene filaments obtained by melt mixing process for FDM machine. The results clearly show xGnP can improve the thermomechanical performances of 3D-printed parts.

 

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MECHANICAL BEHAVIOUR OF PATTERNED MULTI-MATRIX COMPOSITES WITH GRADIENT PROPERTIES

David Stanier (University of Bristol) Ian Gent (University of Bristol) Sree Shankhachur Roy (University of Manchester) Ian Hamerton (University of Bristol) Prasad Potluri (University of Manchester) Dmitry Ivanov (University of Bristol)

 

This study is set to explore the feasibility of improving damage resilience around structural features in composite components through varying (a) the internal geometry of the fabric and (b) matrix properties.

 

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THE MANUFACTURE OF HONEYCOMB CORES USING FUSED DEPOSITION MODELLING

David Pollard (University of Bristol) Carwyn Ward (University of Bristol) Guido Herrmann (University of Bristol) Julie Etches (University of Bristol)

 

Exploring the use of 3D Printing for the manufacture of honeycomb cores, this paper evaluates the bond strength of the between filament layers, and the compressive properties of a cores with different wall thicknesses.

 

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3D SIMULATION OF COMPOSITE STRANDS COMPRESSION

Chady Ghnatios (Notre Dame University-Louaize) Emmanuelle Abisset-Chavanne (Ecole Centrale Nantes) Christophe Binetruy (Ecole Centrale Nantes) Francisco Chinesta (Ecole Cen-trale Nantes) Anais Barasinski (Ecole Centrale de Nantes) Suresh Advani (University of Delaware)

 

In this paper we model and simulate the compression molding of composite inserts inside a liquid matrix. Inserts can be unidirectional prepreg patches or fabrics. The modelling is based on the Ericksen flow formulation and the simulation on the PGD.

 

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MOLDING BY USING THE PROPER GENERALIZED

Anais Barasinski (Ecole Centrale de Nantes) Emmanuelle Abisset-Chavanne (Ecole Centrale Nantes) Chady Ghnatios (Notre Dame University-Louaize) Jose Vicente Aguado (Ecole Centrale de Nantes) Domenico Borzacchiello (Ecole Centrale Nantes) Francisco Chinesta (Ecole Centrale Nantes)

 

This work concerns the integration of model order reduction techniques for elaborating Simulation Apps allowing real-time evaluation of process conditions in the field of composites manufacturing ptocesses.

 

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DECOMPOSITION

Vipin Kumar (University of Tokyo) Miro Duhovic (Institute for Composite Materials) Joachim Hausmann (Institute for Composite Materials) Johannes Eschl (BMW Group)

 

This work deals with a new approach for compression molding simulation using the coupled-eulerian method. First results for filling behavior are compared to experimental studies. Finally, a concept for mapping of fiber orientations is shown.

 

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