what can materials engineers do?
DESCRIPTION
this presentation was prepared for the first annual Cal Poly Materials Engineering Industry Day, with the intention of inspiring Materials Engineering students about the wide variety of careers and opportunities available to them as Materials Engineers.TRANSCRIPT
1materials are our world…
1962Nick Holonyak produces first light emitting diode
1964Stephanie Kwolek creates polymer that enables Kevlar
1970Corning engineers produce glass fibers enabling telecommunications and internet explosion
2standing on shoulders…
28,000 BCpaleolithic humans fire figurines from clay
5,000 BCNear Turkey, copper is extracted and cast
2,500 BCEgyptians make glass beads
2,000 BCPersians produce iron from ore
2004Geckos and mussels inspire new family of adhesives that work equally well in dry or wet conditions
1750British produce first practical adhesive from fish opening floodgate
1755English invent modern concrete
1856Henry Bessemer invents mass production steel
First synthetic plastic is invented going into billiard balls
1934Wallace Carothers invents nylon, used in toothbrushes
1935Louis Minsk creates photoresist polymer, enabling semiconductors
1938Roy Plunkett discovers non-stick polymer Teflon
1958Jack Kilby builds for integrated circuit on slice of germanium
1958Roger Bacon creates carbon filaments, ushering in age of advanced composites
1977Conductive organic polymers enable OLEDs
198560 atom carbon “buckyball”s break open whole new realm of materials
1986High temperature superconductors
the next age: efficiency, energy, reuse
3trends and breakthroughs…
performancedesignenergyhealthenvironment
3trends and breakthroughs…
performance
fusion of materials and performance
Peter Jost: Tribology, 1964
hip sockets, earthquakes
incorporating today’s advances could improve automotive efficiency 60%
$700B savings annually
102B gallons of gas annually
960M tons of CO2 annually
where else?
fusion of materials and performance
787 Dreamliner
carbon composite structure with health monitoring
20% less fuel
Mach 0.85
higher pressure and humidity interior
fusion of materials and performance
twisting light beams enables 100TB/sec internet speeds (2,600 DVDs per second!)
light is bounced off liquid crystals
3trends and breakthroughs…
design
wood
fusion of materials and
designbike design!
magnesium
plastic
nylon
bamboo
cardboard
hemp
fusion of materials and
design54 ½ mpg by 2025
lightweighting is THE primary strategy
mass-efficiency
high strength steel, aluminum, and carbon composites
fusion of materials and
designnew generation of ultra-high lift airships
transport up to 1000 tons of cargo 12,000 miles
efficiency, range, duration
surveillance and communications
X-47B
fusion of materials and
designmulti-functionality
whole systems thinking
interdependent design, materials, and production
USS Zumwalt
3trends and breakthroughs…
energy
fusion of materials and
energyMOFs
surface area: football fields per gram
transforming gas storage, water filtration, and ?
new technique for production of MOFs: mechanochemistry
fusion of materials and
energytransparent solar cell
absorbs only IR light
silver nanowires + TiO2 coating embedded in polymer
fusion of materials and
energysunlight to hydrogen: bottling the Sun
polymeric carbon nitride
fusion of materials and
energygenetically engineered virus self-assembles into thin film
helical piezo proteins twist upon pressure creating electrical charge
3trends and breakthroughs…
health
fusion of materials and
healthnanobots to the rescue!
DNA origami
fusion of materials and
healthdragline spider-silk proteins from transgenic goats
braided into filaments 100x as strong and as elastic as ligaments and tendons
fusion of materials and
healthreplacement skin with sensation for prosthetics and grafts
thin flexible circuits convert pressure into signals
gels for moldable batteries, rubber sensors
fusion of materials and
healthSLIPS: Inspired by Nepenthes pitcher plant
self-healing/cleaning and can repel almost anything
bacterial infections in hospitals kill 100,000 annually
what else?
3trends and breakthroughs…
environment
fusion of materials and the
environmentheat conducting polymers provide breakthrough for the scarce supply of drinking water
fusion of materials and the
environmentwood-plastic composites (WPCs)
fastest growing construction material
design freedom
low maintenance
high durability
resistance to pests
fusion of materialsand the environment
turning sewage into sustainable and useful raw materials for the plastics industry
saves energy
reduces impact
Levis from plastic bottles
3.5M bottles annually
Eco-fi, Patagonia and REKIXX and many others
fusion of materials and the
environment
fusion of materials and the
environmentmining monitors for precious metals
3M tons of waste annually, 86% incinerated or to landfills
4what can’t you do?
remove your filter
explore
listen to yourself
invent
do something you love… that makes a difference
5plant seeds…
be a leader
be a shoulder
touch points
share you!
6thank you!
7more examples…
3trends and breakthroughs…
performance
fusion of materials and performance
inspired by conch shells
ceramic crystals stacked within tough substrate
10x increase in toughness
incredible armor
fusion of materials and performance
Ceramic matrix composites are the key to a breakthrough in propulsion
fusion of materials and performance
spintronics
binary architecture based on electron spin
multiplies storage speed and density, greatly reduces device size using less materials and improving efficiency
fusion of materials and performance
changing material’s dynamics remotely
network of graphene nano-platelets
fusion of materials and performance
"The materials are still the long pole in the tent”
3trends and breakthroughs…
design
fusion of materials and
designself-healing devices
more information and circuitry is being ICs
reliability becomes a priority due to single point failures from thermal and mechanical fatigue
sustaining growth requires resilience
3trends and breakthroughs…
energy
fusion of materials and
energySolid waste to energy technologies
3trends and breakthroughs…
health
fusion of materials and
healthstructural color
super hydrophobicity
3trends and breakthroughs…
environment
fusion of materials and the
environmentwood is the new green
3trends and breakthroughs…
other
fusion of materials and transportation
energy storage breakthroughs
fusion of materials and transportation
Graphene-cobalt materials
fusion of materials and transportation
"The”
fusion of materials and
architectureSustainable and energy efficient architecture