Soft Materials, Textiles, Smart Fabrics

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Information about Soft Materials, Textiles, Smart Fabrics

Published on November 7, 2008

Author: Annie05

Source: slideshare.net

Role of Materials in Nokia´s R&D Yrjö Neuvo

Research impacts products Power management Battery life, charging, thermal durability Materials Structural, functional, optical, decorative Cameras and optics Electronics Semiconductors, microelectromechanical components Algorithms Signal processing, image and sound processing Proximity WLAN, Ultra Wideband, RFID, Bluetooth Voice & Video codecs Improved quality Software and Applications Platforms, middleware, architectures GSM/WCDMA Strong IPR portfolio User experience Ergonomy, usability, user interfaces, user behavior, security Mechanics Structures, user interface, mechanisms

Materials technology in a key role Materials technology as a potential enabler for: Enhanced user experience New functionality New form factors Improvements in production efficiency New solutions for energy management, data storage Need multi-disciplinary research materials, mechanics, memory, electronics, energy Considerations for environmental sustainability, volume production

Materials technology as a potential enabler for:

Enhanced user experience

New functionality

New form factors

Improvements in production efficiency

New solutions for energy management, data storage

Need multi-disciplinary research

materials, mechanics, memory, electronics, energy

Considerations for environmental sustainability, volume production

Materials in Nokia : wide product portfolio Offers unique possibility for innovation Wide area of needed innovations Technology variation Metals : Ti, stainless steel, Al etc. Plastics Paints Fabrics & Leathers Decorations 7200 2650 6260 6170 6225 8910i 6820 7650 6260 3220 5140 6230 6630

Offers unique possibility for innovation

Wide area of needed innovations

Technology variation

Metals : Ti, stainless steel, Al etc.

Plastics

Paints

Fabrics & Leathers

Decorations

Materials research in products Nokia 5140 Integrated soft-hard cover Nokia N90 Materials for transformable mechanics High strength & accuracy, low friction Nokia 7280 laser patterned decoration half-mirror window thin rotator plate

Nokia 5140

Integrated soft-hard cover

Nokia N90

Materials for transformable mechanics

High strength & accuracy, low friction

Nokia 7280

laser patterned decoration

half-mirror window

thin rotator plate

Multi-disciplinary research needed Need research in multi- disciplinary areas Materials technology Novel manufacturing technologies Examples: Flexible/Printed electronics Nanotechnology Drivers for future communication devices Enhanced user experience, new features/functions, design look & feel Small, compact, easy to use, easy to carry/wear Integration of electronics and mechanics for functionality and production

Need research in multi-

disciplinary areas

Materials technology

Novel manufacturing technologies

Examples:

Flexible/Printed electronics

Nanotechnology

Drivers for future communication devices

Enhanced user experience, new features/functions, design look & feel

Small, compact, easy to use, easy to carry/wear

Integration of electronics and mechanics for functionality and production

Transformable devices Slide, fold, twist Flexible OLED displays, PWBs, batteries Soft materials, textiles, smart fabrics Washable materials Coatings Scratch & abrasion resistant Self-healing Self-cleaning Electrically conductive Thermally conductive Optical effects, changing colors Functional Sensors Actuators Enhanced user experience, new functionality

Transformable devices

Slide, fold, twist

Flexible OLED displays, PWBs, batteries

Soft materials, textiles, smart fabrics

Washable materials

Coatings

Scratch & abrasion resistant

Self-healing

Self-cleaning

Electrically conductive

Thermally conductive

Optical effects, changing colors

Functional

Sensors

Actuators

Miniaturization – Challenges for structural materials Strong and tough structural materials (thickness <0.5 mm) Novel polymer composites (plastics with carbon nanotubes or nanofibers) Good heat transfer properties Hybrid materials (metal/plastic, ceramic/plastic) For high-quality feel Novel metal alloys (amorphous, nanocrystalline) Stronger than current metal forming methods Active support materials to protect electronics Shock absorption Water-proof EM shielding Monoblock Flexible Max. Deflection vs. load

Strong and tough structural materials (thickness <0.5 mm)

Novel polymer composites (plastics with carbon nanotubes or nanofibers)

Good heat transfer properties

Hybrid materials (metal/plastic, ceramic/plastic)

For high-quality feel

Novel metal alloys (amorphous, nanocrystalline)

Stronger than current metal forming methods

Active support materials to protect electronics

Shock absorption

Water-proof

EM shielding

Miniaturization – Challenges for structural materials Mechanics contributing to thermal management Thermally conductive, easily processable structural materials Thermal interface, heat storage & heat spreading materials Materials for optimal RF performance High-performance dielectric/antenna materials PWB Design PWB Prototype PWB Simulation with temperature distribution Experimental verification with IR camera

Mechanics contributing to thermal management

Thermally conductive, easily processable structural materials

Thermal interface, heat storage & heat spreading materials

Materials for optimal RF performance

High-performance dielectric/antenna materials

Requirements for volume production Environmental sustainability No harmful substances Biomaterials for lower CO 2 emissions and/or biodegradability Easy disassembly/recycling of products Energy management Usage demands more energy Need for high energy density, durability, safety Explore alternatives New battery chemistry Fuel cells Alternative energy sources Data storage Usage demands more storage Explore alternatives Nanotechnology Optical

Environmental sustainability

No harmful substances

Biomaterials for lower CO 2 emissions and/or biodegradability

Easy disassembly/recycling of products

Energy management

Usage demands more energy

Need for high energy density, durability, safety

Explore alternatives

New battery chemistry

Fuel cells

Alternative energy sources

Data storage

Usage demands more storage

Explore alternatives

Nanotechnology

Optical

Materials in Nokia : Available Technology Portfolio New technology? Maturity? Yield? Time?

Trends for Plastic Materials Raw Material shortage Polymers from renewable raw materials will become important Current examples like PHA (polyhydroxyalkanoate) grown in genetically modified corn plant leaves PLA (polylactide) produced by the fermentation of sugars extracted from plants PHB (polyhydroxybutyrate) produced by bacteria. New synthesis methods of old polymers like PA11 will be established : example PA11 derived from castor plant–based renewable resources Protein polymers Extreme mechanical properties Protein polymers are synthetic proteins created &quot;from scratch&quot; through chemical DNA (gene) synthesis, and produced in quantity by traditional large-scale microbial fermentation methods Through genetic engineering, it will be possible to tailor the physical structure and biological characteristics of protein polymers to achieve required properties Due to their synthetic design, protein polymers are capable of combining the biological functionality of natural proteins with the chemical functionality and exceptional physical properties of synthetic polymers

Raw Material shortage

Polymers from renewable raw materials will become important

Current examples like

PHA (polyhydroxyalkanoate) grown in genetically modified corn plant leaves

PLA (polylactide) produced by the fermentation of sugars extracted from plants

PHB (polyhydroxybutyrate) produced by bacteria.

New synthesis methods of old polymers like PA11 will be established : example PA11 derived from castor plant–based renewable resources

Protein polymers

Extreme mechanical properties

Protein polymers are synthetic proteins created &quot;from scratch&quot; through chemical DNA (gene) synthesis, and produced in quantity by traditional large-scale microbial fermentation methods

Through genetic engineering, it will be possible to tailor the physical structure and biological characteristics of protein polymers to achieve required properties

Due to their synthetic design, protein polymers are capable of combining the biological functionality of natural proteins with the chemical functionality and exceptional physical properties of synthetic polymers

Trends for Plastic Materials Tailoring of properties is made through additive technologies Old property fine tuning with additives like internal lubrication, thermal conductivity, and static dissipation smart plastics with additives Tunable electrical properties Polymer magnets Shape memory plastics Tunable friction properties Nano Technologies … Biodegration Controlled biodegradation will be used in many new applications Food preservation Explosives Security

Tailoring of properties is made through additive technologies

Old property fine tuning with additives like internal lubrication, thermal conductivity, and static dissipation

smart plastics with additives

Tunable electrical properties

Polymer magnets

Shape memory plastics

Tunable friction properties

Nano Technologies



Biodegration

Controlled biodegradation will be used in many new applications

Food preservation

Explosives

Security

Metals Conventional crystalline metal atom structure (Long-range order and grain boundaries) will be dominant but special structures are under heavy development Amorphous metals No long range order No grain boundaries Less formation of slip plane when be applied a stress Magnetic Shape Memory Paramagnetic parent phase Ferromagnetic martensite Different variants can be aligned with the magnetic field to obtain quick and large shape changes

Conventional crystalline metal atom structure (Long-range order and grain boundaries) will be dominant but special structures are under heavy development

Amorphous metals

No long range order

No grain boundaries

Less formation of slip plane when be applied a stress

Magnetic Shape Memory

Paramagnetic parent phase

Ferromagnetic martensite

Different variants can be aligned with the magnetic field to obtain quick and large shape changes

Amorphous metal alloys Amorphous alloy It used to solidify the metal melt by ultra high cooling rate to obtain a thin band with a thickness of 0.01 to 0.1 mm. When the cooling rate is larger than 10 6 K/s, the metal band will have a non-crystalline structure which is named “amorphous” or “metallic glass”. Zr 41.2 Ti 13.8 Ni 10 Cu 12.5 Be 22.5 as one of the current alloys – development of alloys is proceeding fast

Amorphous alloy

It used to solidify the metal melt by ultra high cooling rate to obtain a thin band with a thickness of 0.01 to 0.1 mm. When the cooling rate is larger than 10 6 K/s, the metal band will have a non-crystalline structure which is named “amorphous” or “metallic glass”.

Zr 41.2 Ti 13.8 Ni 10 Cu 12.5 Be 22.5 as one of the current alloys – development of alloys is proceeding fast

Surface Treatments for New Effects Surface Treatments and Effects Mechanical Polishing Brushing Blasting Coining Combinations Chemical Etching Passivation (needed on cast components) Painting Coatings PVD Electroplating Anodising Sol-Gel Thermal spraying? Environmentally responsive coatings? Texturing Rolling Etching Lasering Metal Mesh & Perforating And any possible combination of different treatment. Fingerprint Protection Easy to clean surfaces Smart structures to ‘hide’ finger prints

Surface Treatments and Effects

Mechanical

Polishing

Brushing

Blasting

Coining

Combinations

Chemical

Etching

Passivation (needed on cast components)

Painting

Coatings

PVD

Electroplating

Anodising

Sol-Gel

Thermal spraying?

Environmentally responsive coatings?

Texturing

Rolling

Etching

Lasering

Metal Mesh & Perforating

And any possible combination of different treatment.

Fingerprint Protection

Easy to clean surfaces

Smart structures to ‘hide’ finger prints

Metal Joining Metal to Metal Mechanical methods Screws Riveting Mechanical locking Welding Laser Ultra sonic Friction Resistance Welding Soldering Laser assisted? Adhesive Methods Many different ones Metal to Plastic Adhesives In-mould Metal to other Materials Fabrics Leather Wood

Metal to Metal

Mechanical methods

Screws

Riveting

Mechanical locking

Welding

Laser

Ultra sonic

Friction

Resistance Welding

Soldering

Laser assisted?

Adhesive Methods

Many different ones

Metal to Plastic

Adhesives

In-mould

Metal to other Materials

Fabrics

Leather

Wood

 

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