Technical Textiles- Composites.pdf Test 25 P

Head of Department: Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries

From the Fibre to the finished Textile and Composite Part

Competence in Textile Technology andMechanical Engineering


FRC-Component

TestingSimulation

Yarn Produktion TextileManufacturing Making-up Matrix

ProcessingFibre

Knowledge, Competence and Innovations Networks

TestingSimulation


ProcessingFibre

SonderforschungsbereichSFB 532

SAMPE Deutschland Aachener InitiativeFügen von Textilien

KompetenzzentrumKunststoffe

Paramax Comitee

Aachen CompositeEngineers ACES

Aachener Textilzentrum e.V.

Werkstoff-Forumder RWTH Aachen

TexComp

FRC-Component

Activities of the group:

Development and optimisation of new manufacturing processes

Construction of load adjusted 2D-and 3D-textile structures

Outlet

Winding-aggregate

Dustextraction

Spinningaggregate

Core-feeding

Cardingdrum

Cardslivers

Source: Fehrer

TestingSimulation


ProcessingFibre

Upper Thread

Lower Thread

FRC-Component

Focus of Research

Construction+

Machine Development+

Simulation+

Measuring and Test equipment

New Processes and Products

Fibre reinforcedplastics

Technical textiles

Textile reinforcedconcrete

TestingSimulation


ProcessingFibre FRC-Component

Machine Technology Yarn Production

Outlet

Windingaggregate

Dustextraction

Spinningaggregate

Core-feeding

Cardingdrum

Cardslivers

Source: Fehrer

Friction spinning machine Cabling machine

TestingSimulation

Yarn Production TextileManufacturing Making-up Matrix


-45°

+45°90°

0°

90°

Machine Technology Warp Knitting I

Multi-axial Warp Knitting Machine

TestingSimulation



3D-Contour Warp Knitting

Double wall, warp knitted spacer fabric

TestingSimulation



Machine Technology Warp Knitting II

Warp Knitting Machine

Circular Warp Knitting Machine

TestingSimulation



Machine Technology Woven FabricsTesting

Simulation


ProcessingFibre

Woven fabricAir-bulk weaving machine Scheme of a weaving machine

FRC-Component

Machine Technology Braiding

3D-Braiding

TestingSimulation



Ultrasonic Welding of Circular Non-Crimp Fabrics lTesting

Simulation



three layer circular fabric

intersection of yarn layers

TestingSimulation


ProcessingFibre

Characteristics of the process:

Non-crimp structures

Defined fixation of knot points

No additional warp threads necessary

Thermoplastic part in yarn Structure necessary

FRC-Component

Ultrasonic Welding of Circular Non-Crimp Fabrics ll

Machine Technology Non-Wovens

Aerodynamical web formation

Nonwoven bondingwith needlepunsh

Absorbable Nonwoven

100 µm

TestingSimulation



Machine Technology Making-up

1. Prototype

2. Prototype

One-sided ITA-Stitching-Process

Conventional: Lockstitch

One-sided: ITA-Stitch

Loops

Right Needle Thread

Left Needle Thread

TestingSimulation


ProcessingFibre

Upper Thread

Lower Thread

FRC-Component

Packing

Film

Separation layerPositive mould

Vacuum flask forexcess matrix

Matrix Processing

Tool-Stiffner

mould

Gel coatMould release agent

Glas fibre layer

Glas fibre mat

Wet Press/wet Moulding

Hand lay-up

Vacuumbag Processing

Source: Hanger

TestingSimulation


ProcessingFibre

FUpper platen

OverflowFlash mouldLaminateSemipositive mould

Lower platen

F

Upper Tool

Lower Tool

FRC-Component

Simulation

Simulation of the Fabric Drapeability Simulation of the 3D-Braiding Process

TestingSimulation



Tensile- and Compression Test

Flexure Bend Test(3-Point-Bending)

4-Point-Bending

Testing of Fibre Reinforced MaterialsTesting

Simulation


ProcessingFibre

FRP-Specimen

Tensile Force

Tensile Force

Pressure Force

Pressure Force

Bending Transducer

FRC-Component

Strength Determination of stitched FRP

Modified Bending/Peeling Tests

TestingSimulation


ProcessingFibre

Interlaminar Shear Strength Release

Stitched FRP-

Specimen

Tensile Force

Tensile Force

GroovesSeams

Interlaminar EnergyRelease

Seams

Tensile Force

Tensile Force

Crack

Stitched FRP-Specimen

Hinges

Bending MomentForce

Traverse MovementSteel Sheet

Lever Arm

FRC-Component

Tensile Behaviour of Textile Reinforced Concrete

0,0

1,0

2,0

3,0

4,0

5,0

6,0

7,0

8,0

9,0

0 2 4 6 8 10 12 14 16 18 20

Pi-Profile

Elongation [‰]

Forc

e [k

N]

TT 1-3

TT 2-1

Two layers

One layer

Fibre Investigation

Yarn Testing

Stitched FRP

Strength of Textile Reinforced Concrete

DelaminationInterlaminar Energy Release

4-Point-Bending Test ofTextile Reinforced Concrete

Testing TechnologiesTesting

Simulation



Textile Reinforced Concrete(DFG SFB 532)

Development of practical Formwork Element (AiF)

Limitation of cracks in concrete bedplates (AiF)

Joining of Textile Reinforced Concrete (BMBF)

Research Projects

Sewing of new materials (AiF)

Parasew 1000, Sewing with a parallel manipulator (DFG)

Disjoining of fabric layers (AIF)

Cobraid (EU)

INTEX (BMBF/NMT)

Complex spherical FRP-Design (DFG SPP 1123)

Contact

Research Group Technical Textiles - Composites

Dipl.-Ing. Marijan Barlé

Dipl.-Ing. Tim Grundmann

Dipl.-Ing. Vera Hanisch

Dipl.-Ing. Frank Henkel

Dipl.-Ing. Annette Kolkmann

Dipl.-Ing. Andreas Roye(Group speaker)

Dipl.-Ing. Nadine Zimmermann

Dipl.-Ing. Jan Stüve

[email protected]

[email protected]

[email protected]

[email protected]

[email protected]

[email protected]

nadine. [email protected]

[email protected]

1 Head of department

1 Head engineer

1 Lecturer

26 Assistant employees

18 Technical employees

5 Office workers

4 Trainees

56 Student employees

A Survey of ITA

Locations of ITA in Aachen

Contact

Research Groups:

• Technical Textiles: Dipl.-Ing. A. Roye

• Medical Textiles: Dr.-Ing. D. Aibibu

• Man-Made Fibres: Dr.-Ing. B. Schmenk

• Fibre Yarn Spinning: Dipl.-Ing. I. Reinbach

• Weaving Technology: Dipl.-Ing. M. Strauf-Amabile

• Textile economics: N. N.

phone: +49 (0) 241 / 80 95621 fax: +49 (0) 241 / 80 92149 e-mail: [email protected] http://www.ita.rwth-aachen.de

Institut für Textiltechnik (ITA) der RWTH AachenEilfschornsteinstraße 18, 52062 Aachen

Management / Head of Department:

Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Th. Gries

Dr.-Ing. R. Ramakers (Head engineer)

Akad. Oberrat Dr.-Ing. D. Veit

Laboratories / Workshops:

Testing laboratory: M. Steffens

Microscopy: M. Rohs

Electrical laboratory: M. v. Thenen

Construction: D. Mergl

Software: Dipl.-Ing. C. Kozik

Main Focus of the Research Groups


Textile Futurestarts with us!

Textile Futuremade in Aachen!

ITA-Presentation:


Medical Textiles:


Quality Control:

up-dated versions are available as downloads on our homepage

http://www.ita.rwth-aachen.de

Weaving Technology:


The ITA as a Partner in Weaving Technology

ITA – Partner in medical technologies

Latest developments in medical textile products

The ITA as a partner for special

solutions in quality control and process analysis

Library:

Institutsdirektor: Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries

Das ITA als Partner bei der Informationsbeschaffung zu textilen Themen

only available in German language!

Assembling/clothingtechnology:


The ITA as a Partnerin assembling/clothing technology

only available in German language!


From Fibre to Yarn

Competence in Textile Technology

and Mechanical Engineering

Fibre Yarn Technology: Man-made Fibre Technology:


Innovation in Dialogue With The Industry

Filament-Yarn-Technology at the Institute of Textile Technology

Technical Textiles- Composites.pdf Test 25 P

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