The 5 t h International

oConference on Material Forming

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JfelSP

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List of Contents

Plenary lectures

INVESTIGATION OF FLOW INSTABILITIES IN POLYMER FORMING PROCESSES 1J.F. Agassant, Y. Demay, B. Vergnes

HIGH STRENGTH POLYOLEFIN BARS BY ROLLING WITH SIDE CONSTRAINTS 7A. Galeski

METAL FORMING OF LIGHTWEIGHT STRUCTURES 13

R. Kopp, P. Bohlke, P. Hohmeier, C. Wiedner

Optimisation of Forming Processes

THE ADJOINT-STATE METHOD FOR SENSITIVITY ANALYSIS OF NON-STEADYPROBLEMS. APPLICATION TO 3D FORGING 19M. Laroussi, L. FourmentSENSITIVITY-BASED OPTIMAL DESIGN OF METAL FORMING PROCESSESACCOUNTING FOR SHAPE AND NON-SHAPE VARIABLES 23H. Antunez, M. Kowalczyk

PRACTICAL CONSIDERATIONS REGARDING OPTIMISATION OF SHAPE IN FORMINGPROCESSES 27/. Gresovnik, T. Rodic

DETERMINATION OF OPTIMAL BLANK SHAPE USING THE INITIAL VELOCITY OFBOUNDARY NODES 31H.B. Shim, K.C. Son

OPTIMIZATION OF THERMOPLASTICS EXTRUSION DIE DESIGN:PARAMETERIZATION, ALGORITHMS AND STRATEGIES 35J. Sienz, J.F.T. Pittman, H. Ettinger, S.J. Bates

AUTOMATIC OPTIMIZATION OF METAL FORMING PROCESSES 39M. Franzke, S. Posielek, H. Aretz, R. Kopp

SENSITIVITY ANALYSIS OF COLD FORGING DIES WITH RESPECT TO PARAMETERSINFLUENCING FATIGUE DAMAGE DUE CYCLIC PLASTICITY 43T. Rodic, J. Korelc, M. Dutko, A. Pristovsek

Numerical Modelling

ACCELERATION OF FINITE ELEMENT ANALYSIS BY PARALLEL PROCESSING 47S. Moto Mpong, P. de Montleau, A. Godinas, A.M. Habraken

SOLUTION OF STEADY STATE DEFORMATION PROBLEMS USING A LEAST SQUARESFINITE ELEMENT METHOD APPLIED TO A SYSTEM OF FIRST ORDER EQUATIONS 51T.F. Stanistreet, J.M. Allwood

PERMANENT NODAL DISPLACEMENT CALCULATION IN FEM CODE USINGA VOLUME CONSTANCY APPROACH 55M. Estrems, H. T. Sanchez, F. Faura

PROCESS OPTIMISATION IN CONVENTIONAL AND NON-CONVENTIONAL INJECTIONMOULDING 59R.A. Sousa, R.L. Reis, A.M. Cunha

STAMPING-CRASH SIMULATIONS COUPLING USING THE ELEMENT FREE GALERKINAPPROACH 63J.M. Faure, V. Braibant, Ph. Boisse

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COMPUTATIONAL MODELLING OF METAL FORMING PROCESSES 67A.J. Williams, T.N. Croft, M. Cross

FINITE ELEMENT MODELLING OF THE INERTIA FRICTION WELDING PROCESSBETWEEN DISSIMILAR MATERIALS 71L. D 'Alvise, E. Massoni, S.J. Wallee

VALIDATION OF IN718 SPF & DB PROCESSES FOR THE DESIGN OF AIRCRAFTENGINE PARTS 75A. Mugarra, K. Ostolaza, J.L. Alcaraz

A NUMERICAL METHOD FOR THE STUDY OF THE BAROTROPIC FLOW IN THE CASEOF VISCOUS FLUID 79L. Topliceanu

NUMERICAL SIMULATION AND EXPERIMENTS DESCRIBING THE BEHAVIOUROF BCC STEELS AT HIGH STRAIN RATES 83M. Forejt, R. Samek

Computational Methods in Contact Mechanics

TWO ALGORITHMS TO IMPROVE THE NUMERICAL TREATMENT OF CONTACT 87D. Chamoret, P. Saillard, J.-M. Bergheau

CONTACT ALGORITHM TO THE IMPLEMENTATION OF COMPLEX FRICTION LAWSIN A FINITE ELEMENT METHOD OF DISPLACEMENT 91M. Estrems, J.J. Hernandez, F. Faura

DIRICHLET-TYPE BOUNDARY CONDITIONS AND CONTACT PROBLEMS WITHFRICTION FOR LAGRANGIAN METHODS 95P. Massin

AN EFFICIENT CONTACT SEARCH ALGORITHM 99G. Kloosterman, A.H. van den Boogaard, J. Huetink

THE EFFECT OF ROLL ROUGHNESS ON THE COEFFICIENT OF FRICTION DURINGCOLD, FLAT ROLLING OF METALS 103C.C. Sloat, J.G. Lenard

Computational Methods in Injection Moulding

3D MODELING IN INJECTION 107T. Coupez

MESHLESS NATURAL ELEMENT SIMULATION OF MOULD FILLING PROCESSESINVOLVING SHORT FIBER MOLTEN COMPOSITES 111M. A. Martinez, E. Cueto , M. Doblare, F. Chinesta

NUMERICAL MODELLING OF MOVING INTERFACES IN 3 DIMENSIONS 115O. Magotte, C. Jeggy, F. Dupret

OPTIMIZING THE INJECTION-COMPRESSION MOLDING PROCESS BY MODELINGAND SIMULATION 119Th. Hofer, H.-G.Fritz

NUMERICAL MODELING OF FLOW INDUCED CRYSTALLIZATION IN INJECTIONMOULDING 123A. Poitou, A. Ammar, C. Chassat, G. Racineux

VISCO-ELASTIC MODELLING OF THE MICRO-INJECTION MOULDING PROCESS 127C. Jeggy, O. Magotte, F. Dupret

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A SPACE-TIME FINITE ELEMENT METHOD FOR THE THERMAL PROBLEMSOLUTION IN 3D MOLD FILLING 131S. Batkam, T. Coupez

Damage Modelling in Metal Forming

ANISOTROPIC DUCTILE FRACTURE IN SHEET METAL FORMING PROCESSESUSING DAMAGE THEORY 135M. Brunei, F. Morestin, H. Walter

DAMAGE MODELING IN COLD BULK METAL FORMING USING ADAPTIVE THEORY .. 139S. V. Smirnov, N.V. Biba, S.A. Stebounov

GRADIENT-DEPENDENT NONLOCAL CONSTITUTIVE FORMULATIONFOR THERMO-ELASTO-PLASTICITY COUPLED WITH ISOTROPIC DAMAGE 143X.P. Shen, K. Saanouni

MODELLING OF DUCTILE FRACTURE INITIATION IN BULK METAL FORMING 147J.M.A Cesar de Sd, Francisco M.A. Pires

THE INFLUENCE OF THERMOMECHANICAL PROCESSING INDUCED PREFERREDORIENTATION ON DYNAMIC DAMAGE EVOLUTION IN A TI-6-4 ALLOY 151Duncan A.S. Macdougall, W.R. Thissell, D.J. Bingert, C. Trujillo

A SIMPLIFIED INVERSE APPROACH WITH THE DAMAGE CONSIDERATIONFOR SHEET METAL FORMING MODELING 155Y.Q. Guo, K. Debray, G. Loppin

Applications of Inverse Analysis

INVERSE ANALYSIS FOR THE IDENTIFICATION OF THERMAL AND MECHANICALPARAMETERS OF MATERIALS 159E. Massoni, R. Forestier, T. Dal Negro, Y. Chastel, M. Bellet

THERMAL CONSIDERATIONS FOR DESIGN OF A FLEXIBLE HOT TORSION TESTMACHINE 163S. Khoddam, P.D. Hodgson

INVERSE ANALYSIS OF THE SICO TEST USING A GRADIENT METHOD WITH SEMI-ANALYTICAL DERIVATIVES 167T. Dal Negro, R. Forestier, E. Massoni

3D MODEL FOR INVERSE ANALYSIS OF CUBE COMPRESSION TEST 171D. Szeliga, P. Matuszyk, V. Pidvysotskyy, M. Pietrzyk

SENSITIVITY INVESTIGATIONS OF THE INVERSE METHOD INVOLVEDIN THE THERMAL CONDUCTIVITY DETERMINATION OF STEELS 175T. Telejko, Z. Malinowski

DETERMINATION OF ELONGATIONAL VISCOSITY IN A SPIN-LINE RHEOMETERBY INVERSE ANALYSIS 179E. Mitsoulis

NUMERICAL COMPUTATION OF THE BOUNDARY CONDITIONSBY APPROXIMATION METHOD IN THE INVERSE STEFAN PROBLEMS 183R. Grzymkowski, D. Slota

IDENTIFICATION OF THE MECHANICAL BEHAVIOUR OF OXIDE SCALESBY INVERSE ANALYSIS OF A HOT FOUR-POINT BENDING TEST 187B. Picque, Y. Favennec, A. Paccini, V. Lanteri, P.O. Bouchard, P. Montmitonnet

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Polymers: from Processing to Recycling

STRAIN-INDUCED CRYSTALLISATION IN AMORPHOUS PET DURINGSTRETCH-BLOW MOULDING 191N. Billon, J.M. Haudin, D. Darras, E. Gorlier

EFFECT OF THE RESIDENCE TIME IN A CAPILLARY DIE AFTER EXTRUSIONOF POLYMER MELTS THROUGH POROUS MEDIUM 195Y. Goutille, J. Guillet

FLOW SIMULATION, DESIGN AND OPTIMIZATION OF STACKED-TYPE SPIRAL DIES . . 1 9 9M. Cretu, H.G.Fritz

GAS ASSISTED INJECTION MOULDING: PRIMARY AND SECONDARY GASPENETRATION, 3-D SIMULATION AND EXPERIMENTAL TRIALS 203A. Polynkin, J.F.T. Pittman, F. Belblidia, J. Sienz, B.L. Brookshaw, W. Copeland

PVC PROFILE CALIBRATION: DEPENDENCE OF PROFILE GEOMETRYAND SHRINKAGE ON PROCESSING PARAMETERS 207U. Conrad, J.F.T. Pittman

CRYSTALLIZATION OF POLYMERS IN TEMPERATURE GRADIENT 211E. Piorkowska, A. Pawlak, J.P. Chapel, R. Nowacki

NON ISOTHERMAL INVESTIGATION OF THE POLYMER CAST FILM PROBLEM 215C. Sollogoub, Y. Demay, J.F. Agassant

iPP ORIENTATION AND CRYSTALLINITY AS REVEALED IN QUENCHED SAMPLES(OFF-LINE) AND DURING FILM CASTING (ON-LINE) BY FT-IR AND DICHROICMETHODS 219G. Lamberti, R. Crisci, I. Russo, P. lannelli, V. Brucato, G. Titomanlio

MONITORING SOLIDIFICATION PROCESS DURING INJECTION MOULDING:THE "INDENTATION TEST" 223S. Piccarolo, V. La Carrubba, W. Gabrielse, M. van Gurp

X-RAY STUDY OF INDUCED CRYSTALLISATION AND ORIENTATION IN PETUNDER BIAXIAL LOADING: APPLICATION TO BLOW-MOULDING PROCESS 227Y. Marco, L. Chevalier, M. Chaouche

INFLUENCE OF MOLECULAR PARAMETERS ON HIGH-STRAIN DEFORMATIONOF POLYETHYLENE IN PLANE-STRAIN COMPRESSION 231Z. Bartczak

FORMING OF THERMOPLASTICS WITH THE USE OF METAL FORMING TOOLS 235Z. Kampus, A. Adamlje

TECHNICAL, ENVIRONMENTAL AND ECONOMIC ASPECTS OF THE USEAND RECYCLING OF PLASTICS 239A. Wasiak

RECYCLING OF PLASTIC WASTE IN WESTERN AND CENTRAL EUROPE 243M. Kozlowski

ORIENTED FILMS FROM RECYCLED PET/RECYCLED HDPE COMPATIBILIZEDBLEND 247J. Morawiec, N.P. Krasnikova, A. Galeski, M. Pracella

Preparation, Characterization and Properties of Polymer Blends and Composites

CRYSTALLISATION AND REGENERATION OF CELLULOSE-NMMO-WATERSOLUTIONS 251O. Biganska, P. Navard

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MORPHOLOGY OF COMPOUNDS WITH INTERPENETRATING POLYMERNETWORKS OBTAINED FROM POLYURETHANE AND UNSATURATEDPOLYESTER 255P. Krol, J. Wojturska

PHOTOCONDUCTIVE POLYMERIC COMPOSITE MATERIALS 259V. Naydyonov, V.G. Syromyatnikov, V. Yashchuk

POLYMER MICROCOMPOSITES 263M. Kozlowski

PHOTOCONDUCTIVE BLENDS AND COMPOSITES BASED ON CARBAZOLEDERIVATIVES 267V.G. Syromyatnikov, N.G. Kuvshinsky, N.A. Davidenko, S.L. Studzinski

Composites Forming Processes

BEHAVIOUR OF TEXTILE REINFORCEMENT IN COMPOSITES FORMING:MATHEMATICAL MODELLING OF DEFORMABILITY, INTERNAL GEOMETRYAND PERMEABILITY OF THE PREFORM 271S. V. Lomov, E.B. Belov, I. Verpoest

A MICRO-MECHANICAL APPROACH TO STRESS-PREDICTION DURING SHEARFOR WOVEN CONTINUOUS FIBRE-REINFORCED IMPREGNATED COMPOSITES 275P. Harrison , M.J. Clifford, A.C. Long, CD. Rudd

EXPERIMENTAL ANALYSIS OF FABRIC DEFORMATION DURING FORMINGOF TEXTILE COMPOSITES 279A.C. Long, R.G. Gil, M.J. Clifford, P. Harrison, S.B. Sharma, M.P.F. Sutcliffe

VISCOSITY-BASED MODELS FOR SHEAR OF GLASS/THERMOPLASTICS FABRICS 283D.S. Lussier, J. Chen, J.A. Sherwood

NORMALIZATION IN THE PICTURE FRAME TEST OF WOVEN COMPOSITES:LENGTH OR AREA? 287X.Q. Peng, P. Xue, J. Cao, D.S. Lussier, J. Chen

ANALYSIS OF THE RECONSOLIDATION OF THERMOPLASTIC COMPOSITESFORMING 291A. Cheruet, D. Soulat, P. Boisse, E. Soccard, S. Maison-Le Poec

SOME DIFFICULTIES IN THE FLOW FRONT TREATMENT IN FIXED MESHSIMULATIONS OF COMPOSITES FORMING PROCESSES 295F. Chinesta, T. Mabrouki, A. Ramon

CONTRIBUTION TO THE OPTIMIZATION OF R.T.M. AND C.R.T.M. PROCESSES 299A. Saouab, J. Breard, G. Bouquet

PERMEABILITY AND COMPACTION ISSUES FOR LIQUID COMPOSITE MOULDINGPROCESSES 303A. Hammami

A 3D NUMERICAL MODELLING OF THE RTM AND SRIM PROCESSES 307F. Loix, O. Magotte, H. Roger, F. Dupret

A COMPARISON OF SIMULATION APPROACHES FOR FORMING OF TEXTILECOMPOSITES 311M.P.F. Sutcliffe, S.B. Sharma, A.C. Long, M.J. Clifford, R.G. Gil, P. Harrison, CD. Rudd

MANUFACTURING OF A THERMOPLASTIC COMPOSITE STRUCTURAL AIRCRAFTCOMPONENT 315H.E.N. Bersee, M.J.L. van Tooren, A. Beukers

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FORMING SIMULATION OF VERY UNBALANCED WOVEN COMPOSITEREINFORCEMENTS 319J.L. Daniel, D. Soulat, F. Dumont, B. Zouari, P. Boisse, A.C. Long

FIBRE ORIENTATION MODELLING FOR RUBBER PRESS FORMINGOF THERMOPLASIC LAMINATES 323E.A.D. Lamers, R. Akkerman, S. Wijskamp

STUDY OF THE DEEP DRAWING PROCESS OF TECHNICAL TEXTILE REINFORCEDTHERMOPLASTICS 327L. Bogaerts, M. Lossie, D. Vandepitte

Innovative Powder Forming Processes

NEW STRATEGIES FOR MOULD AND PROCESS DESIGN IN POWDER INJECTIONMOULDING 331T. Barriere, J.C. Gelin, B. Liu

HOT FORMING OF ALUMINIUM BASED GRADIENT MATERIALS 335S. Szczepanik, S. Rafibach

TECHNICAL DEVELOPMENTS FOR AN EXPERIMENTAL PILOT DEDICATEDTO MICRO-MANUFACTURING WITH SELECTIVE LASER SINTERING PROCESS 339H. Leclerc, K. Djioua, N. Boudeau, J. C. Gelin

Numerical Methods and Tools for Testing Products of Industrial Casting

SIMULATION AND EXPERIMENTAL RESEARCH OF THE SOLIDIFICATION OF SOMESELECTED CAST ALLOYS 343Z. Gorny, S. Kluska-Nawarecka, H. Polcik, S. Bieniasz

EROSION TESTING OF Cr26Ni5Mo3 CAST STEEL 347Z. Pirowski

STUDY ON CASTING CONDITIONS OF A TWIN ROLL CASTER FOR ALUMINUMALLOYS 351T. Haga, S. Suzuki

TWO-DIMENSIONAL THERMOMECHANICAL SIMULATION OF THE SECONDARYCOOLING ZONE OF STEEL CONTINUOUS CASTING 355A. Heinrich, F. Costes, M. Bellet

EXPLOITATION OF GENETIC ALGORITHMS FOR OPTIMIZATION OF PREVENTIVEMAINTENANCE OF CONTINUOUS STEEL CASTING DEVICE 359J. David, Z. Jancikova, M. Vrozina

CORROSIVE BEHAVIOUR OF DIE CAST ALUMINIUM AND MAGNESIUM ALLOYS 363A. Biaiobrzeski, E. Czekaj, M. Heller

CASTING OF A SHAPE STRIP FROM MOLTEN METAL AND SEMISOLID SLURRYUSING A ROLL CASTER AND A BELT CASTER 367T. Haga, S. Suzuki

Rolling

TOOL DEFORMATION DURING THE SHAPE ROLLING OF STATOR VANES 371H.H. Wisselink, J. Huetink

NEW SPREAD FORMULA FOR HOT FLAT ROLLING 375X. Duan, T. Sheppard

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THE EFFECTS OF SMALL ROLL DIAMETERS ON SPREAD AS WELL AS ON POWERAND LOAD REQUIREMENTS DURING HOT ROLLING 379P.J. Mauk, F. Lingnau

TURN-UP AND TURN-DOWN PHENOMENA IN PLATE ROLLING 383M. Philipp, O.-K. Harrer, W. Schwenzfeier, R. Wodlinger, Chr. Fischer

LABORATORY MODELLING OF DIRECT ROLLING OF STEEL THIN SLABS 387

/. Schindler, P. Kozelsky, H. Kulveitovd, J. Ddnemark, K. Cmiel

Numerical and Physical Investigation of Forging

FINITE ELEMENT SIMULATION OF THE FORGING PROCESS: FUTUREDEVELOPMENTS 391J.-L. Chenot, L. FourmentTHE DEVELOPMENT OF NEAR NET SHAPE FORGING TECHNOLOGY USING THREE -DIMENSIONAL FINITE ELEMENT PROGRAM QFORM 2D/3D 395N.V. Biba, S.A. Stebounov, P.A. Petrov, V.I. Perfilov

HOT FORGING SIMULATION FOR AEROFOIL COMPONENTS DURING CYCLICFORMING CONDITIONS 399H. Ou, C.G. Armstrong

STRATEGIES TO MINIMIZE THE NEGATIVE EFFECTS OF ELASTIC DIE DEFLECTIONIN CLOSED-DIE PRECISION FORMING PROCESSES 403J. Baumgarten

FEM ANALYSIS OF OPEN DIE FORGING WITH THE APPLICATION OF FRACTURECRITERIA 407S. Riljak

INFLUENCE OF OXIDE SCALE ON THE HEAT TRANSFER COEFFICIENT DURINGHOT FORGING OF TURBINE BLADES 411P.F. Bariani, T. Dal Negro, S. Masiero

THERMAL AND MECHANICAL CONSTITUTIVE LAWS FOR A SEMI-TRANSPARENTVISCOUS LUBRICANT 415E. Vidal-Salle, J.-C Boyer

CONSTITUTIVE MODEL FOR FEM SIMULATION OF SECONDARY YIELDING 419A. Rosochowski, R. Balendra

ADVANCED METHOD OF SOLVING THE DIE FILLING PROBLEM IN COLD FORMINGOF AN AXI-SYMMETRICAL AL-COMPONENT 423R. K. Uyyuru, S. Steren

EXTENSION OF FORMING LIMITS IN FORGING OF LESS DUCTILE LIGHT WEIGHTMETALS BY MEANS OF SUPERIMPOSED HYDROSTATIC PRESSURE 427F. Meiners, R. Schmidt-Jiirgensen

Extrusion and Drawing of Materials

CHARACTERIZATION OF ALUMINUM EXTRUSIONS: MODELING OF METAL FLOWAND MICROSTRUCTURE RESPONSE 431W. Z. Misiolek, W.H. Van Geertruyden, S.R. Cloves, A.R. Bandar

INVESTIGATION OF FRICTION DURING THE EXTRUSION OF AL-ALLOYS USINGFEM SIMULATION 435/. Flitta, T. Sheppard

MATHEMATICAL MODELLING OF THE EXTRUSION OF BI-METALLIC RODS 439W. Miszuris, R. E. Sliwa

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OVERVIEW OF VARIOUS BENDING METHODS DIRECTLY AFTER EXTRUSIONPROCESS 443/. A. Buntoro, K.B. Mtiller

DEPOSITION OF HARD FILMS ON HOT-WORKING STEEL DIES FOR ALUMINIUMEXTRUSION 447K.B. Mtiller

MODEL OF DEFORMATION ZONE IN EXTRUSION THROUGH CONVEX DIES 451P. Kazanowski, W. Libura, G. Mishuris

SHAPE VARIATIONS DURING COOLING OF FLAT EXTRUDED SECTIONS 455M. Kristojfersen, B. Andersson, T. Aukrust, A. Pilipenko

INFLUENCE OF PRE-CHAMBER DIE GEOMETRY ON EXTRUSION OF SOLIDSECTIONS WITH DIFFERENT WALL THICKNESS 459D. Lesniak, W. Libura, V. Pidvysotskyy, A. Milenin

A TECHNIQUE FOR MEASURING PRESSURE ON THE DIE FACE DURINGEXTRUSION 463P.T.Moe, S. Storen

THE PREDICTION OF THE RESIDUAL TENSILE UNIFORM STRAIN OF AISI 304STAINLESS STEEL DRAWN BARS 467E.C.S. Correa, M.T.P. Aguilar, P.R. Cetlin

THIN STRIP ALUMINIUM EXTRUSION - PRESSURE, TEMPERATUREAND DEFLECTION RECORDINGS OF THE EXTRUSION DIE 471M. Lefstad, P.T. Moe, S. Steren, R. Flatval

PREDICTION OF CENTRAL BURSTS IN EXTRUSION PROCESS 475J.-F. Mariage, K. Saanouni, P. Lestriez

THE APPLICATION OF MICROALLOYED STEELS TO THE DRAWING PROCESS 479M. Ruminski, J. Majta, J. Luksza

METAL FORMING OF TITANIUM ALLOYS AFTER A PRELIMINARYHYDROGENATION 483V.P. Fedotov

Sheet Metal Forming

ANISOTROPY IN THIN, CANNING SHEET METALS 487D.W.A. Rees

MODELLING HOT STAMPING OF QUENCHABLE STEELS 491L. Garcia Aranda, Y. Chastel, J. Fernandez Pascual

MODELING OF THE CONSTITUTIVE BEHAVIOR FOR THIN METAL SHEET USINGSTRAIN GRADIENT THEORY 495J-F. Michel, P. Picart

PLANE-STRAIN TENSION TEST OF STEEL SHEET USING SERVO-CONTROLLEDBIAXIAL TENSILE TESTING MASCHINE 499T. Kuwabara, S. Ikeda

RAPID PROTOTYPING WITH SHEET METAL 503J. Jeswiet, E. Hagan

IDENTIFICATION OF KINEMATIC AND ISOTROPIC HARDENINGS USING A PUREBENDING TEST MACHINE 507G. Arnold, O. Hubert, R. Billardon

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ALUMINUM SHEET FORMING SIMULATIONS: INFLUENCE OF THE YIELD SURFACE . . 5 1 1A.H. van den Boogaard, P.J. Bolt, R.J. Werkhoven, M.H.F.M. van Hout

ABOUT THE UNDER-ESTIMATED INFLUENCE OF THE YIELDING PLATEAU 515A. Col

TAILORED WELDED BLANKS CHARACTERIZATION FOR FINITE ELEMENTANALYSIS OF METAL FORMING APPLICATION 519G. Palumbo, S. Pinto, L. Tricario

OFF-SET ROLLER BENDING OF ALUMINUM SPACE FRAME 523S. Kato, J. Endou, T. Anzai

EFFECT OF MATERIAL HARDENING ON SPRINGBACK PROBLEMS IN SHEET METALFORMING 527R. Weyler, G. Duffett, C de la Cruz

TOOLING DESIGN COMPENSATING SPRINGBACK ERROR AFTER DEEP DRAWINGAND TRIMMING OPERATIONS 531Z. Zimniak

FACTORS OF INFLUENCE ON THE SPRINGBACK OF FORMED METAL SHEETS 535B. Chirita

FINITE ELEMENT STUDY OF PLATE BENDING PROCESS 539M. Math, B. Grizelj

METHODOLOGY TO OBTAIN THE IDEAL BLANK SHAPE IN DEEP DRAWINGPROCESSES BY USING THE FINITE ELEMENT METHOD 543M.E. Moreno, J. Carvalho, H. A. Al-Qureshi J. Lirani

PREDICTION OF LOCALIZED WRINKLING IN METAL FORMING PROCESS 547A. Lejeune, N. Boudeau, J.C. Gelin

ON ADAPTIVE MESH REFINEMENT IN WRINKLING PREDICTION ANALYSIS 551A. Selman, T. Meinders, A.H. van den Boogaard, J. Huetink

EXPERIMENTAL ANALYSIS OF FORM ERRORS IN STAINLESS STEEL BLANKING 555P. Franco, F. Faura, M. Estrems

NUMERICAL MODELLING OF BLANKING PROCESS FOR THIN SHEET METALPARTS 559V. Lemiale, P. Picart, S. Meunier

DRY DEEPDRAWING USING CERAMICS TOOLS 563S. Kataoka, H. Ike

Material Characterisation and Computational Methods in Cutting

THERMOMECHANICAL CUTTING MODEL DISCRETISATION: EULERIANOR LAGRANGIAN, MESH OR MESHLESS ? 567F. Chinesta, Ph. Lorong, D. Ryckelynck, G. Coffignal, M.Touratier, M.A. Martinez,E. Cueto, M. Doblare

NUMERICAL MODEL FOR CUTTING USING A GRADIENT DAMAGE MODELAND ELEMENT EROSION 571J.M.A. Cesar de Sa, P.M.A. Areias, R..M. Natal Jorge

SHEET METAL CUTTING SIMULATION BY CONTINUUM DAMAGE MECHANICS 575

K. Saanouni, J-F. Mariage, A. Cherouat

HISTORY-DEPENDENT MATERIAL AND THE NATURAL ELEMENT MESHLESSMETHOD. STUDY OF TWO APPROACHES IN FINITE TRANSFORMATIONS 579P. Lorong, D. Ryckelynck, F. Chinesta

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SOME DIFFICULTIES ON PREDICTION OF TOOL LIFE AND MACHINED SURFACEQUALITY THROUGH FEM 583T. Shirakashi

THERMAL AND FRICTIONAL CHARACTERIZATION OF THE TOOL-CHIPINTERFACE FOR ASSESSMENT OF THE PROCESS PERFORMANCE 587W. Grzesik

MATERIAL CONSITUTIVE LAWS AT HIGH STRAIN RATE FOR NUMERICALSIMULATIONS: TESTING AND MODELLING 591H. Zhao .

PREDICTION AND MEASUREMENT OF PRESSURE DISTRIBUTION ON THE TOOLIN ORTHOGONAL CUTTING 595L. Filice, F. Micari, L. Pagnotta, D. Umbrello

Modelling of Microstructure and Thermomechanical Processing

NEW DEVELOPMENTS IN THE FIELD OF PHYSICAL SIMULATIONOF THERMOMECHANICAL PROCESSING 599D. Ferguson, W. Chen, R. Kuziak, S. Zajac

DEVELOPMENT OF A NEW REGRESSION MODEL FOR THE RECRYSTALLISATIONKINETICS OF HOT-DEFORMED AUSTENITE 603L.P. Karjalainen, M.C. Somani, D.A. Porter, R.A. Morgridge

FINITE ELEMENT 3D SIMULATION OF THE RING ROLLING PROCESS 607Z. Malinowski, M. Glowacki, M. Pietrzyk

THE MATHEMATICAL MODELLING OF MATERIAL BEHAVIOUR AT EXTREMELYHIGH TEMPERATURES 611M. Glowacki, W. Zalecki

THE EFFECT OF SILICON ON DEFORMATION PROCESSING MAPS FOR CONTROLOF SILICON BRONZES STRUCTURE 615Z. Gronostajski

TENSILE PROPERTIES OF AA6061 AND AA5083 ABOVE THE SOLIDUSTEMPERATURE 619M.R. Twite, J.A. Spittle, S.G.R. Brown

THE SIMULATION OF IMPORTANT PHENOMENA DURING THE HEAT TREATMENTPROCESS-DEFORM™HT 623E. Reiss, W.T. Wu, K. Arimoto

STRUCTURAL CHANGES AND KINETICS OF NON STOICHIOMETRICHYDROXYAPATITE. MODELING OF THERMAL TRANSFER USING THE GRAINMODEL 627S. Bailliez , A. Nzihou, E. Champion, D. Bernache-Assollant

THERMOMECHANICAL ANALYSIS OF WIRE ROD ROLLING OF MICROALLOYEDSTEELS 631A. Bator, J. Majta, A.K. Zurek

A STATE-VARIABLE MODEL FOR THE HOT DEFORMATION OF WASPALOY 635M.A. Rist, S.M. Roberts, R.C. Reed, J. W. Brooks

INDUSTRIAL VALIDATION OF THE MICROSTRUCTURE EVOLUTION MODEL FORAUSTENITIC STEEL 639R. Kuziak, W. Made), J. Nowak, M. Glowacki

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EFFECT OF DIFFERENT COOLING PATTERNS ON MECHANICAL PROPERTIESAND STRUCTURE FORMATION OF LABORATORY ROLLED C-Mn-Si-Cr-Mo STEEL 643S. Pacholkova, A. Morafkovd, I. Schindler, V. Voddrek, H. Taylor, J. Ddnemark

MODELLING OF MICROSTRUCTURAL EVOLUTION OF THE NIMONIC 115 DURINGHOT WORKING 647C. Bruni, P. Cavaliere, A. Forcellese, F. Gabrielli

QUENCHING OPERATION OF ALUMINIUM ALLOYS: MEASUREMENTSAND NUMERICAL SIMULATIONS 651J. Gilles, B. Bourouga, A. Sorin

Thixoforming/Semi Solid Processing

THIXOFORMING OF OTHERWISE WROUGHT ALUMINIUM ALLOYS:THERMODYNAMIC PREDICTIONS OF AMENABLE COMPOSITIONS 655H. V. Atkinson

FORMING EXPERIMENTS AND DIE DEVELOPMENT FOR PROCESSING STEELSIN THE SEMI-SOLID RANGE 659R. Kopp, E. Lugscheider, T. Hornig, J. Kallweit, M. Maes, I. Seidl

THIXOMOLDING FIBRE-REINFORCED MAGNESIUM ALLOYS WITH INCREASEDCREEP RESISTANCE 663P.J. Mauk, A. Steinscherer, M. Zwissler

THIXOFORMING OF AN EXTRUDED 6082 WROUGHT ALUMINIUM ALLOY 667P. Kapranos, I. Maud, H. V. Atkinson

STRUCTURAL EVOLUTION BY RAP AND THIXOFORMING OF WROUGHTALLOY 2014 671D. Liu, H. V. Atkinson , P. Kapranos

COMPARISON OF TWO-PHASE FINITE ELEMENT SIMULATION WITH EXPERIMENTSON ISOTHERMAL DIE FILLING OF SEMI-SOLID TIN-LEAD 675J. Petera, M. Modigell, M. Hufschmidt

MICRO-MACRO MODELLING OF STEADY-STATE SEMI-SOLID BEHAVIOR 679C. Rouff V. Favier, R. Bigot, M. Berveiller, M. Robelet

PHYSICAL AND NUMERICAL SIMULATION OF THIXOFORMING PROCESSES 683

K. Solek, Z. Mitura, A. Bialobrzeski

Hydroforming Simulation

VIRTUAL PLANNING AND SIMULATION OF FLUID MEDIUM BASED FORMINGPROCESSES 687P. Hora, M. SkrikerudFINITE ELEMENT SIMULATION OF THE HYDROFORMING PROCESS USINGA NEW YIELD CRITERION 691D.S. Comsa, D. Banabic, J.C. Gelin, S. Wagner, K. SiegertNUMERICAL SIMULATION OF HYDROFORMING PROCESSES WITH DAMAGEOCCURRENCE 695A. Cherouat, K. Saanouni, P. Lestriez

APPLICATION OF OPTIMAL DESIGN AND CONTROL STRATEGIESTO THE HYDROFORMING OF THIN WALLED METALLIC TUBES 699J.C. Gelin, C. Labergere

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FINITE ELEMENT SIMULATION OF HYDROFORMING PROCESS 703E. Massoni

HYDROFORMING OF A CAMSHAFT: PROCESS AND PRODUCT OPTIMISATION 707

L. Settineri, F. Roux

Constitutive Laws and Material Models

APPLICATION OF THE DOUBLE-SHEARING MODEL TO METAL FORMINGPROCESSES 711S. Alexandrov, E. LyaminaINFLUENCE OF CONSTITUTIVE EQUATIONS AND STRAIN-PATH CHANGEON THE FORMING LIMIT DIAGRAM FOR 5128 ALUMINUM ALLOY 715M.C. Butuc, A. Barata da Rocha, J.J. Gracio, J. Duarte.P. Jurco, D. Comsa, D. BanabicMATHEMATICAL METHODS TO ASCERTAIN FLOW-CURVE FUNCTIONS FOR COLDAND HOT FORMING 719P.J. Mauk, J. Gottschling, A. Radberg

EQUI-BIAXIAL ANISOTROPY COEFFICIENT USED TO DESCRIBE THE PLASTICBEHAVIOR OF SHEET METAL 723K. Pohlandt, D. Banabic, K. Lange

ANALYSIS OF MATERIAL FLOW IN PLANE-STRAIN COMPRESSION 727J. Schock, B. Kroplin, K. Pohlandt

Mechanisms of deformation

SHEAR BANDING IN F.C.C. CRYSTALS WITH COPPER {112}(ill)ORIENTATION 731

M. Darrieulat

METAL FORMING AND CUTTING WITH SUPERIMPOSED ULTRASONICOSCILLATIONS 735J. Schock, B. Kroplin

RESIDUAL STRESSES DUE TO TORSION AND THEIR EFFECTS ON THE ELASTIC-PLASTIC AND PLASTICALLY TWISTED BARS 739G. Brabie -

AN ANALYSIS OF THE WARPING PHENOMENON AND ITS EFFECTS ONTHE ELASTIC-PLASTIC AND PLASTICALLY TWISTED NONCIRCULAR BARS 743G. Brabie

EFFECTS OF STRAIN RATE ON ABSORBED ENERGY IN CRUSHING OF BOXCOLUMNS 747B. Carlsson

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