24.1.1-R15 STUDY ON HIGHER DISPERSION OF TITANIUM DIOXIDE PARTICLES DURING POLYMERIZATION OF POLY (ETHYLENE TEREPHTHALATE) (PET)

S.KONAGAYA (NAGOYA UNIVERSITY)

The dispersion of TiO2 in the BHET/EG mixture with various additives was studied by the electrophoretic mobility method. K5P3O10 was found to be effective for the dispersion of TiO2 in PET polymerization, even if in the presence of the additives.

24.1.1-R16 ASSEMBLED TRUSS CORE SANDWICH STRUCTURE AND ITS FAILURE MODE UNDER IMPACT LOADING

L.MA (HARBIN INSTITUTE OF TECHNOLOGY), GQ.ZHANG, LZ.WU

Interlocking assembled technique for manufacture of pyramidal truss core sandwich structures is introduced. The low velocity impact response and edgewise compression tests are conducted to determine and quantify the effects of impact damage on the manufactured sandwich structure.

24.1.2-R15 EFFECTS OF CHITIN NANOWHISKERS ON TENSILE PROPERTIES OF POLYLACTIC ACID BIOCOMPOSITE FILM

Z.ZAKARIA (UNIVERSITI TEKNOLOGI MALAYSIA), SE.MOHD ASRI, A.HASSAN

Polylactic acid biocomposites were prepared using commercial and fermented prawn waste chitin. Tensile strength of both biocomposites increased with increasing of CNW loading up to maximum values. The Young’s modulus increased with increasing NCW loading but elongation at break decreased.

24.1.2-R16 DAMAGE CHARACTERIZATION OF AEROSPACE CFRP PANELS AFTER IMPACT TESTING

N.GUTIÉRREZ (CENTER FOR ADVANCED AEROSPACE TECHNOLOGIES - CATEC), R.FERNÁNDEZ, ML.SANTAMARÍA, C.GALLEGUILLOS, G.MORALES et al.

The impact behavior of CFRP materials is analyzed. Non-destructive evaluation is performed prior and after low energy impacts. Tomographic analyses are carried out for 3D characterization of damage and correlation studies of the impact energy and affected areas.

24.1.3-R15 MICROWAVE-ASSISTED SYNTHESIS OF SILVER NANOWIRE AND ITS APPLICATION IN EPOXY COMPOSITES

H.REN (NANJING UNIVERSITY), YY.QIU, ZW.ZHANG, TT.CAO

A rapid, microwave-assisted synthesis of silver nanowires by polyol method is described.Silver nanowire/epoxy nanocomposites have been developed via incorporating as-prepared silver nanowires into the epoxy matrix.The nanocomposites with silver nanowire showed an up to 20% increase in thermal stability.

24.1.3-R16 IMPACT DAMAGES AND HEALING OF GFRP SANDWICH SKIN

S.SAPOZHNIKOV (SOUTH URAL STATE UNIVERSITY), M.ZHIKHAREV

Experimental and numerical studies of ballistic impact with different velocities were done for GFRP plates. 3D model consists of SHELL elements for curved glass threads and SOLID elements for matrix. For delamination healing we use liquid resin and ultrasonic excitation.

24.1.4-R15 SILVER AND ZINC OXIDE BASED NANO POWDERS AND THEIR POLYMER BASED NANOCOMPOSITES FOR ANTIBACTERIAL APPLICATION

M.TANOGLU (IZMIR INSTITUTE OF TECHNOLOGY), E.ABATAY, T.ÖZMEN, A.ARSLANOGLU

Silver, zinc oxide, and Ag doped ZnO nanopowders have demonsrated capability for preparation of polymer based antibacterial nanocomposite materials. In this study, Ag/polyester, ZnO/polyester, Ag/ZnO/polyester and their nanocomposites were prepared. The microstructure and surface morphology of these nanocomposites were investigated.

24.1.4-R16 THE INFLUENCE OF SEVERAL FILLERS ON THE THERMO-CHEMICAL AND MECHANICAL PROPERTIES OF HIGH PERFORMANCE THERMOPLASTIC POLYMERS

E.MILELLA, P.SPENA, G.GIUSTO (IMAST SCARL), J.THOMAS

The aim was to evaluate the influence of several fillers on the properties of high performance thermoplastics (PEKK and PSS) to use in fiber reinforced composite (CFC). Expanded Graphite was the best filler, improving the mechanical performances of realized CFC

24.1.5-R15 PREPARATION OF NEW PHOTOPOLYMERIZABLE HYBRID NANOCOMPOSITES BASED ON URETHANE MACROMERS AND FE3O4 NANOPARTICLES

V.MELINTE (PETRU PONI INSTITUTE OF MACROMOLECULAR CHEMISTRY, IASI, ROMANIA), T.BURUIANA, A.CHIBAC, EC.BURUIANA

The aim of this contribution is to obtain magnetic polymer films of soft type based on photoreactive acrylic mixtures incorporating Fe3O4 nanoparticles in variable proportions. The photopolymerization parameters, mechanical and magnetic characteristics were evaluated for selecting the most versatile composition.

24.1.5-R16 ISOTHERMAL CRYSTALLIZATION KINETICS OF LOW VISCOSITY POLYAMIDE 66

J.FARAJ (1LABORATOIRE DE THERMOCINÉTIQUE DE NANTES, UMR CNRS 6607, UNIVERSITY OF NANTES, RUE CHRISTIAN PAUC,), B.PIGNON, N.BOYARD, JL.BAILLEUL, D.DELAUNAY et al.

Study of the isothermal crystallization, close to the glass transition temperature, is complicated since nucleation and crystallization must be avoided during the approach of the temperature of interest.

24.1.6-R15 DIRECT ELECTROPOLYMERIZATION OF POLYMER ELECTROLYTES ONTO CARBON FIBERS – A ROUTE TO STRUCTURAL BATTERIES?

S.LEIJONMARCK (SWEREA SICOMP AB), A.MATHEW, K.OKSMAN, G.LINDBERGH, LE.ASP

To reduce system weight in composite structures, structural batteries are sought after. An electroinitiated polymeriation is used forming thin layers around CFs functioning both as battery electrolyte and composite matrix. The morphology and curing behaviour of the polymers are studied.

24.1.6-R16 THERMAL STRAIN EFFECTS IN THERMOPLASTIC SATIN WEAVE COMPOSITE LAMINATES

E.VOET (GHENT UNIVERSITY), G.LUYCKX, W.VAN PAEPEGEM, J.DEGRIECK

In this research will be shown that heating of thermoplastic composites above the Tg reverses more or less the thermal residual strains and that after cool-down the spectral response of embedded fibre Bragg gratings has changed, proving the annealing effect.

24.1.7-R15 EFFECT OF TYPE AND PERCENTAGE OF NANOREINFORCEMENTS ON TRIBOLOGICAL PROPERTIES OF EPOXY MATRIX NANOCOMPOSITES

M.CAMPO (UNIVERSIDAD REY JUAN CARLOS), A.JIMÉNEZ-SUÁREZ, A.UREÑA

In this work we have studied the wear behavior of epoxy matrix composites with different types (NC3100, NC3150 and NC3152) and percentages(between 0.1-0.5 wt.%)of carbon nanotubes. Tribological properties was investigated using “pin-on disc” wear testing machine at different conditions.

24.1.7-R16 RESIN IMPREGNATION OF CFRTP PREFORM BY USING ULTRASONIC WAVE

H.WATAKI (THE UNIVERSITY OF TOKYO), I.OHSAWA, T.HAYASHI, K.SUZUKI, K.HASEGAWA et al.

In order to clarify the possibility of the application of ultrasonic heating on resin impregnation of CFRTP semi-preg, we performed temperature measurement of CFRTP preform during ultrasonic heating and three-point bending test with specimens which were molded by ultrasonic heating.

24.1.8-R15 MECHANICAL AND PHYSICAL PROPERTIES OF EPOXY COMPOSITES CONTAINING CFRP POWDER WASTES

I.CARRASCAL (UNIVERSITY OF CANTABRIA), C.THOMAS, A.CIMENTADA, S.DIEGO, JA.CASADO

Carbon powder wastes obtained from the cutting process of laminate composites have been incorporated into epoxy matrix phase in order to improve the mechanical characteristics. Carbon powder wastes incorporated to new epoxy matrix phases improve some properties of the composites.

24.1.8-R16 INFLUENCE OF PROCESS PARAMETERS ON POROSITY AND MECHANICAL PROPERTIES OF STRUCTURAL THERMOPLASTIC COMPOSITES MADE BY HOTPRESSING

B.PURGLEITNER (TRANSFERCENTER FÜR KUNSTSTOFFTECHNIK GMBH), C.BURGSTALLER

Layers of GF-fabrics and PA-sheets were alternately stacked and pressed under different processing pressures and temperatures. We achieved a fibre-volume-fraction of about 55% and found that with higher pressure the porosity content decreases while the impact-and bendingstrength stay fairly constant.