26.2.1-R15 USE OF COAL MINING WASTE AS POZZOLANIC MATERIAL IN NEW BLENDED CEMENT MATRIXES

R.VIGIL DE LA VILLA, R.GARCÍA (UAM), M.RAMÍREZ, V.RUBIO, M.FRÍAS et al.

26.2.1-R16 HIGHLY POROUS HYDROXYAPATITE/POLYCAPROLACTONE COMPOSITE SCAFFOLD: PHYSICOCHEMICAL AND IN VITRO BIOLOGICAL PROPERTIES

D.MILOVAC, T.GAMBOA-MARTÍNEZ, G.GALLEGO FERRER, M.IVANKOVIC (FACULTY OF CHEMICAL ENGINEERING AND TECHNOLOGY, UNIVERSITY OF ZAGREB, CROATIA), H.IVANKOVIC

Hydrothermal transformation of aragonitic cuttlefish bone into hydroxyapatite was performed. The porous scaffold was coated with poly(ε-caprolactone). Physicochemical and biological characterization was performed. The results demonstrate the potential of the composite scaffold to be used in bone tissue engineering.

26.2.2-R15 PRESHEARING: THE EVOLUTION OF MANUAL LAYUP

M.ELKINGTON (BRISTOL UNIVERSITY), C.WARD, A.CHATZIMICHALI, K.POTTER

A new two stage approach to Hand layup of Prepreg is proposed where plies are deformed prior to the tool contact. The approach is trialled against traditional lamination techniques, showing a significant simplification, time saving and quality improvement.

26.2.2-R16 DEVELOPMENT OF NANOSTRUCTURED FILMS BASED ON PLA AND CHITOSAN NANOPARTICLES GENERATED BY SUPERCRITICAL CO2 ASSISTED PROCESSES

H.NIBAL (ECOLE DES MINES D’ALBI UMR CNRS 5302 (RAPSODEE CENTER) & ÉCOLE DES MINES D’ALÈS (C2MA CENTER)), N.LE MOIGNE, E.RODIER, JJ.LETOURNEAU, M.SAUCEAU et al.

chitosan nanoparticles (CN) generated by supercritical processes and other particles were incorporated in PLA films (2.4%w/w) by cast extrusion. Properties of the films were studied. All particles were well dispersed within the films. DSC revealed a nucleating effect of CN.

26.2.3-R15 INVESTIGATION OF INFLUENCE OF CARBON FIBER DELIVERY SYSTEM FOR FILAMENT WINDING PROCESS WITH NOL-RING SPECIMEN TESTS

S.RISTESKA (INSTITUTE FOR ADVANCED COMPOSITES AND ROBOTICS (IACR)), B.SAMAKOSKI, Z.SOKOLOSKI, M.STEFANOVSKA

The purpose of this research was to investigate the influence of delivery system with FW technology on NOL-ring specimens using Design of experiment 23. With help of hoop tensile test results, parameter’s function was defined. Also, SEM analysis were performed.

26.2.3-R16 BONE REMODELING IN RESPONSE TO A NEW BIOMIMETIC POLYMER-COMPOSITE HIP STEM: COMPUTATIONAL STUDY USING MECHANO-BIOCHEMICAL MODEL

P.TAVAKKOLI AVVAL (RYERSON UNIVERSITY), S.SAMIEZADEH, H.BOUGHERARA

Bone remodeling around a biomimetic polymer composite-based (CF/PA12) hip implant was compared to that around a metallic one (Titanium) using mechano-biochemical bone adaptation model. The results revealed that the composite stem results in fewer bone loss compared to Titanium one.

26.2.4-R15 HIGH INTEGRATED COMPOSITE STRUCTURES PROCESS AND TOOLING CHALLENGES

F.DOMINGUEZ (FIDAMC), F.CHAMORRO

Design and process engineer with wide international working experience. 6 years manufacturing experience in all sorts of composite components: from automated lay-up to injection processes.

26.2.4-R16 NUMERICAL MODELING OF ACETABULAR RECONSTRUCTION CAGES MADE OF CFRP AND ESTIMATION OF MECHANICAL BEHAVIOR FOR BONE AND CAGE

S.OKAZAKI (OSAKA UNIVERSITY), T.KURASHIKI, N.SUGANO, K.UEMURA, S.BANDOH

We aimed to develop the acetabular reconstruction cages made of CFRP. Therefore, we investigated the superiority of CFRP cage by estimation of mechanical behavior of bone and cage.

26.2.5-R15 NUMERICAL STUDIES OF INTEGRALLY-HEATED COMPOSITE TOOLING

R.ABDALRAHMAN (TECHNICAL COLLEGE OF SLEMANY), S.GROVE, A.KYTE, MJ.RIZVI

In the current study, several combinations of design parameters (flow channel cross-section, topology and channel spacing) have been investigated, using a design of experiments approach, and evaluated through CFD numerical simulation to investigate heating time and mould surface temperature variation.

26.2.5-R16 CHITOSAN BASED COATING ON THE PUR TITANIUM SUBSTRATE / DENTAL APPLICATION

FZ.BOUGUERAA (MOULAY ISMAIL UNIVERSITY, NATIONAL SCHOOL OF ARTS AND CRAFTS (ENSAM) MEKNES, MOROCCO), S.ETTAQI

The extraction is performed chitosan from the shrimp shells. The morphology of the deposited coating is examined by optical microscopy. The layer thickness is determined by weighing ,the roughness studied with the roughnessmeter.The hardness test showed the layer.

26.2.6-R15 INFLUENCE OF ONE SIDE STITCHING ON THE PERMEABILITY OF COMPOSITE REINFORCED BY TRANSVERSE SEWING

K.KHELLIL (UNIVERSITÉ OF TECHOLOGIE OF COMPIÈGNE), Y.SONG, Z.ABOURA, A.OUAHSINE

This study concerns the influence of One Side Stitching pattern seam, on the permeability of 2D fabrics reinforced by transverse seams. The results show that the presence of these seams generates important local permeability gradients.

26.2.6-R16 PROPERTIES OF SOME HYBRID POLYMER COMPOSITES CONTAINING CARBOXYLIC/PHOSPHATE DIMETHACRYLATES AND HYDROXYAPATITE OR CALCIUM PHOSPHATE WITH APPLICATIONS IN DENTISTRY

T.BURUIANA (PETRU PONI INSTITUTE OF MACROMOLECULAR CHEMISTRY, IASI, ROMANIA), V.MELINTE, F.JITARU, EC.BURUIANA, H.ALDEA

This work describes the effect of acid monomer structures and small content of hydroxyapatite or calcium phosphate on the specific properties of some dental composites (conversion degree, photopolymerization rates, volumetric shrinkage, water sorption/solubility, hydrophobicity, mechanical parameters) tested in adhesive applications.

26.2.7-R15 THE QUALITITATIVE EFFECT OF VARIOUS PREFORMING RELATED DEFECTS WITHIN AS MOULDED PREPREG CARBON FIBRE LAMINATES

R.RUSSELL (ROLLS-ROYCE PLC)

This paper presents the results from an investigation into the effects of various defects, which find their sources during the preforming stage. Through non-destructive testing the resulting defects are characterised and their severity assessed also through cut-up inspection.

26.2.7-R16 INVESTIGATION OF THE PHYSICAL-MECHANICAL AND BIODEGRADABLE PROPERTIES OF NANO-BIOCOMPOSITE PREPARED FROM MIXTURE OF STARCH, LLDPE, HDPE AND NANOCLAY

S.TABASHI (DEPARTMENT OF POLYMER ENGINEERING, SCIENCE AND RESEARCH BRANCH, ISLAMIC AZAD UNIVERSITY, TEHRAN, IRA), A.OROMIEHIE, S.BAZGIR

This paper describe the investigation of the physical-mechanical and biodegradable properties of nano-biocomposite prepared from mixture of starch, LLDPE, HDPE and nano clay. It is the first time that a nano biocomposite is used to food packaging.

26.2.8-R15 INFLUENCE OF THE CURING DEGREE ON THERMO-MECHANICAL PROPERTIES AND MODE I FRACTURE TOGHNESS OF A NEAT AND CARBON FIBRE-REINFORCED EPOXY FORMULATION

M.WOLFAHRT (POLYMER COMPETENCE CENTER LEOBEN GMBH, LEOBEN, AUSTRIA), G.PILZ, L.REINHOLD

26.2.8-R16 PROPERTIES OF SOME RESIN-MODIFIED GLASS IONOMERS CONTAINING POLY(ACRYLIC ACID-CO-ITACONIC ACID-CO-N-ACRYLOYL-L-TRYPTOPHAN) FUNCTIONALIZED WITH (METH)ACRYLATE MOIETIES

EC.BURUIANA, M.NECHIFOR (PETRU PONI INSTITUTE OF MACROMOLECULAR CHEMISTRY IASI), V.MELINTE, T.BURUIANA, C.PREJMEREAN

This communication reports data on some resin-modified glass ionomers containing poly(acrylic acid-co-itaconic acid-co-N-acryloyl-L-tryptophan) functionalized with (meth)acrylate moieties, BisGMA or its analogue, TEGDMA and bioactive glass along with their properties (polymerization rate, conversion, water sorption/solubility, mechanical parameters, morphology and fluorescence).

26.2.9-R16 EFFECT OF INITIATOR AND INHIBITOR CONCENTRATION ON THE POLYMERIZATION SHRINKAGE KINETICS OF EXPERIMENTAL DENTAL COMPOSITE

I.LEE (SEOUL NATIONAL UNIVERSITY, SCHOOL OF DENTISTRY), EJ.SANG, JY.KIM, NS.CHOI

We prepared experimental dental composites with varying concentration of photo-initiator and inhibitor. During photo-activated curing, the polymerization shrinkage stress of the composites ranged 2.97 - 7.91 MPa, which increased with increasing initiator concentration, while being reduced with increasing inhibitor concentration.