asteroza + lightweight   71

Lamera AB Sweden - Home of Hybrix� -------------------------------------------------------------------------------------- - Home
Some sort of oddball hollow metal sandwich composite, using internal fibers to maintain standoff distances rather than fixed divider plates in a traditional honeycomb panel. This allows forming complex curved panels after production.
hollow  fiber  metal  composite  sandwich  materials  science  research  technology  sheet  panel  low  weight  lightweight 
december 2017 by asteroza
Building for the future with KARL MAYER | Karl Mayer
Using warp knit weft insertion carbon fiber for low weight concrete
warp  knit  weft  insertion  fabric  grid  carbon  fiber  concrete  low  weight  lightweight  composite  textile 
november 2017 by asteroza
A high-specific-strength and corrosion-resistant magnesium alloy : Nature Materials : Nature Publishing Group
Interesting, very low weight MgLi alloy, that if heat treated, can create surface conditions similar to stainless steel to create a protective surface barrier. Makes magnesium alloys suitable for saltwater environments now.
stainless  magnesium  lithium  alloy  materials  science  research  technology  corrosion  resistance  lightweight  Delicious 
november 2015 by asteroza
Gridtential Energy, Inc. |
Using hard drive and semiconductor manufacturing tricks, these guys are using thinner plates with bonded lead active layers to make lighter, more durable batteries.
high  performance  lightweight  lead  acid  battery  materials  science  energy  storage  research  technology  Delicious 
june 2015 by asteroza
Armor Applications
Interesting hollow silicon carbide ceramic shells impregnating metal to create metal foam armor.
low  weight  lightweight  syntactic  armor  plate  silicon  carbide  ceramic  hollow  shell  sphere  defense  military  research  technology  metal  foam  Delicious 
november 2014 by asteroza
leveldb - A fast and lightweight key/value database library by Google. - Google Project Hosting
Similar to SQLite but sequential reads are higher apparently (Really? Might be due to inline decompression)
google  key  value  store  noSQL  database  opensource  software  high  performance  fast  LevelDB  library  lightweight  storage  Delicious 
june 2014 by asteroza
New approach assembles big structures from small interlocking pieces
This has good pictures of the X plates that makeup up a cuboct cell, apparently made from a carbon fiber wound stock that is sliced to make the X's.
reversibly  technology  fiber  engineering  science  rpinting  cuboct  interlocking  materials  carbon  3D  fabbing  assembled  cellular  plate  truss  research  composite  recyclable  structures  beam  lightweight  square  part  octet  chainmail  Delicious 
august 2013 by asteroza
The SIMON and SPECK families of lightweight block ciphers
Two new symmetric ciphers from the NSA, one optimized for hardware, the other for software.
NSA  symmetric  block  security  research  algorithm  software  encryption  cipher  lightweight  SPECK  design  SIMON  Delicious 
july 2013 by asteroza
NC State News :: NC State News and Information » New Metallic Bubble Wrap Offers Big Benefits Over Other Protective Materials
Basically a very specific variant of metal foams (using large single bubbles), you can make stiff structures without a bulk material, and the bubble aspect is more controllable rather than a normal bulk foamed structure.
wrap  manufacturing  bubblewrap  structure  technology  research  composite  science  bubble  materials  metal  metallic  lightweight  foam  Delicious 
july 2013 by asteroza
Airlight SA
Interesting lightweight pneumatic air beam structures.
structure  airbeam  Tensairity  pressurized  air  beam  lightweight  Switzerland  pneumatic  Delicious 
june 2013 by asteroza
UCSD Jacobs School of Engineering
Apparently Toucan birds have a highly mechanically optimized beak. Very lightweight, with a hollow structure where there are no stresses, and elsewhere a bone fiber/membrane foam enclosed by an outer keratin tile sheet exterior, creating a natural biocomposite foam sandwich material in their beaks. Still doesn't explain fully why the beaks are so large, especially for a fruit eater. There was other research into beak properties by using IR camera studies, and it appears the beak is also used as a high performance controllable blood heat radiator to dump metabolic heat. They do interesting tricks like doing a burst of heat dumping just prior to going to sleep to slow down metabolic processes quicker.
core  hollow  lightweight  beak  large  bird  Toucan  sandwich  exterior  tile  keratin  foam  bone  composite  biocomposite  engineering  mechanical  research  structure  body  animal  Delicious 
december 2012 by asteroza
Boulder Wind Power
Uses an oddball printed circuit board (PCB) based design for a super lightweight (fixed?) stator for the generator (I think the permanent magnet mounted rotor is the outer part of the torus). Definitely a weird direct drive permanent magnet configuration.
core  air  gap  axial  magnet  permanent  drive  direct  research  design  motor  energy  green  generator  power  turbine  wind  stator  PCB  lightweight  Delicious 
december 2012 by asteroza
ESA Portal - Hypergravity helping aircraft fly further
Interesting use of high gravity centrifuges rather than high pressure press forges to cast advanced superalloys.
strength  lightweight  ESA  alloy  superalloy  aluminide  titanium  research  technology  metallurgy  science  materials  casting  metal  hypergravity  pressure  gravity  high  Delicious 
november 2012 by asteroza
Boomerang | VMware Labs
A sort of cut down vSphere client, but doesn't work with free ESXi...
utilities  tools  sysadmin  lightweight  windows  software  client  management  vSphere  VMware  Delicious 
september 2012 by asteroza
NASA - OCCAMS: Optically Controlled and Corrected Active Meta-material Space Structures
Wow, using photonic muscles embedded in a deployable thin film mirror, using a raster scanning laser to tweak the mirror as an active optical correction primary aperture mirror by using the muscles to deform the mirror. But, the concept suspiciously looks similar to a stealth radar deflection cone for spysats patented by Teledyne Ryan and allegedly used on Misty 1/2 and NROL-15.
NASA  deployable  mirror  space  infrastructure  antenna  research  optics  deformable  LCE  liquid  crystal  elastomer  polymer  substrate  photonic  artificial  muscle  actuator  active  metamaterial  photo-initiated  distortion  photoactive  optically  addressable  laser  molecular  neoteric  lightweight  large  form  factor  aperture  primary  telescope  thin  film  inflatable  materials  science  technology  nanotechnology  nanoactuator  nanomuscle  Delicious 
september 2012 by asteroza
IHI devises handheld gas generator | The Japan Times Online
IHI working on a microturbine generator that runs on diesel, aiming for 5Kg at release in a 8m diameter x 12cm length package, but no info on output power. Possible power source for MAV (flying surveillance drones), small UGV (AlphaDog), assorted robots, and powered exoskeletons (HULC).
japan  IHI  portable  devices  eletronics  hardware  generator  power  microturbine  turbine  gas  compact  lightweight  factor  form  small  Delicious 
february 2012 by asteroza
Tegris Home Page
Interesting polypropylene based syntheic fiber/fabric that is strong, lightweight,and recyclable. Seems to be a good match with carbon fiber for layered sandwich composites, achieving equal or even higher performance than pure carbon fiber sandwiches.
Tegris  polypropylene  synthetic  fiber  fabric  strong  lightweight  low  weight  thermoplastic  composite  materials  science  research  technology  recyclable  Delicious 
february 2012 by asteroza
Ultralight Metallic Microlattices
Lightweight nickel lattice structure. They claim it is the lightest material currently known. Structure should be possible with other materials. Uses semiconductor lithography techniques to make a polymer template, plate the template, then etch the polymer away.
nickel  lightweight  lattice  microlattice  engineered  material  materials  science  technology  research  porous  structure  cubic  octet  truss  metal  Delicious 
november 2011 by asteroza
Yamaha two-wheel drive motorcycle
I wonder if Yamaha's work on the lightweight 2-trac system can be scaled up for hydraulic hybrid cars?
Yamaha  motorcycle  bike  two  wheel  drive  2WD  lightweight  low  weight  small  form  factor  boost  booster  hybrid  hydraulic  in-wheel  hub  motor  hardware  green  transportation  technology  research  Delicious 
september 2011 by asteroza
Software Protection Initiative - Lightweight Portable Security
Apparently LPS has a Firefox implementation with a working CAC plugin/extension/addon to allow CAC card authentication with DoD sites and software. Any way to get just the CAC card plugin standalone?
DoD  liveCD  linux  distro  distribution  LPS  lightweight  portable  security  trusted  environment  firefox  CAC  plugin  authentication  ISO  military  software  OS  boot  CD  Delicious 
july 2011 by asteroza
Radiator Graphite-Foam.pdf (application/pdf Object)
Interesting concept for using airfoil pressure differential to force air through a heat exchanger embedded in the rear third of an airfoil, while having low frontal drag area. As noted in the PDF, for vehicle applications there will still be a need for an auxiliary fan when stopped, which likely means the airfoil will still be in the engine bay or embedded in the hood to utilize the forced air fan.
Open  pore  porous  high  thermal  conductivity  graphitic  graphite  foam  lightweight  radiator  heat  exchanger  hardware  research  control  materials  science  technology  filetype:pdf  media:document  Delicious 
may 2011 by asteroza
Winflex Wind Turbine
Now this is an interesting concept. Using an inflatable ring, you have a tension structure that's lightweight. The ring probably doubles as a venturi wind focuser as well. I wonder what sort of inflation pressure you need though.
Winflex  inflatable  rotor  blade  ring  wind  turbine  power  generator  green  energy  israel  lightweight  Delicious 
november 2010 by asteroza
Urbee 3D additive printing car
Idea is to manufacture a whole car via 3D additive printing. Mostly to iron out remaining issues behind 3D printing over large areas, and 3D fabbing of high temperature or corrosive environment parts. Added side benefit is being able to make integrated structures that are otherwise too expensive or just plain impossible to make.
Urbee  3D  fabber  printer  fabbing  fabricator  printing  car  automotive  manufacturing  technology  additive  engineering  transportation  green  vehicle  lightweight  Delicious 
november 2010 by asteroza
A Miracle Diet for Brake Rotors: High-Strength, High-Temp Aluminum | Michigan Tech News
Interesting new high temperature aluminum alloy, potentially usable a substitute for existing engine aluminum alloy motor cases to allow higher temperatures.
aluminum  zirconium  scandium  rare  earth  alloy  high  temperature  metal  materials  science  research  technology  lightweight  Delicious 
october 2010 by asteroza
etd.pdf (application/pdf Object)
Interesting foamed metal composite with materials penetrating the foam cells to provide radiation defense
materials  science  research  technology  foamed  metal  composite  radiation  shield  shielding  defense  lightweight  boron  water  filetype:pdf  media:document  Delicious 
may 2010 by asteroza
Vector Foiltec | Welcome | ETFE
These guys are the ones that did the Eden Project paneled multicellular dome structure in the UK
germany  transparent  polymer  ETFE  tetra  fluoro  ethylene  lightweight  canopy  material  architecture  design  dome  building  construction  sunlight  materials  science  engineering  Texlon  Eden  project  climatic  envelope  Delicious 
june 2009 by asteroza

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