asteroza + composite   172

Material for New-Generation Atomic Reactors Developed in NUST MISIS
New steel-vanadium-steel layered composite might be good for nuclear reactor fuel rod tubes
russia  nuclear  fuel  rod  radiation  heat  resistant  steel  vanadium  composite  alloy  metal  metallurgy  materials  science  research  technology 
4 weeks ago by asteroza
Uh, CC has twice the tensile strength at 2700K than at room temp?!?
carbon  composite  materials  science  research  technology 
september 2018 by asteroza
Strengthening effect of single-atomic-layer graphene in metal–graphene nanolayered composites | Nature Communications
Graphene/metal composites now suck less, as in wow that's a huge improvement for a very small amount of doping the parent metal
graphene  metal  composite  materials  science  research  technology  nanotechnology  copper  nickel  CVD  sandwich  multilayer 
september 2018 by asteroza
IFEs batteriforskere har knekt batteri-kode: Kan revolusjonere rekkevidde og levetid — IFE
SiliconX, aka IFE silicon alloy, a silicon nanoparticle composite, might be a future battery anode
batery  anode  materials  science  research  technology  SiliconX  silicon  nanoparticle  composite  IFE  alloy 
july 2018 by asteroza
Twisting cracks in Bouligand structures - ScienceDirect
Mantis shrimp clubs have a spiral fiber layer pattern that resists crack propagation
materials  science  research  technology  composite  fiber  helical  helicoidal  pattern  layer  crack  propagation  resistance  biomimicry 
june 2018 by asteroza
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
Velcro®-Inspired SiC Fuzzy Fibers for Aerospace Applications - ACS Applied Mater...
Coating silicon carbide fibers with fuzzy silicon carbide nanotubes/nanowire like a velco surface of fuzzy fibers improves composite ceramic performance in high heat applications.
silicon  carbide  nanotube  nanofiber  reinforced  composite  ceramic  materials  science  research  technology  velcro  surface  treatment  fiber  fuzzy  Delicious 
march 2017 by asteroza
Phys. Rev. Lett. 117, 175901 (2016) - Lightweight Mechanical Metamaterials with ...
Using a cubic octet truss with internal members made of different materials, the internal expansion causes macro compression of the unit cell, shrinking things overall, achieving a negative thermal expansion coefficient metamaterial, of sorts.
negative  thermal  expansion  cubic  octet  truss  3D  printing  fabbing  materials  science  research  technology  shrink  structure  microlattice  lattice  composite  Delicious 
october 2016 by asteroza
A laptop battery system that knows your habits and lasts a lot longer - Next at ...
Software Defined Battery, as in the battery pack is smart and feeds from specific cells based on consumption profile, such that basic use feeds from more longer lasting cells, while peak usage uses peaking cells with a different chemistry/lifespan. I suppose this could also incorporate prismatic capacitors as well.
microsoft  research  hybrid  composite  material  battery  design  software  defined  Delicious 
june 2016 by asteroza
Z3Dlab |
Interesting zirconia infused titanium powder ceramic composite for 3D printing
france  EU  titanium  zirconia  powder  composite  ceramic  3D  printing  fabbing  manufacturing  materials  science  research  technology  Delicious 
september 2015 by asteroza
Hybrid Molecule–Nanocrystal Photon Upconversion Across the Visible and Near-Infrared - Nano Letters (ACS Publications)
Interesting hybrid organic/inorganic frequency converter, takes 2 IR photons in, upconverts to single higher frequency photon. Not quite a frequency doubler, but possibly still useful. Since you aren't wasting IR inputs
inorganic  nanocrystal  organic  ligand  composite  materials  science  research  technology  IR  infrared  photon  frequency  upconversion  conversion  upgrade  solar  PV  Delicious 
august 2015 by asteroza
Thermoelectric Power Generation from Lanthanum Strontium Titanium Oxide at Room Temperature through the Addition of Graphene - ACS Applied Materials & Interfaces (ACS Publications)
Interesting, graphene doping the sintering powder reduced thermal conductivity but increased electrical conductivity. 2 watts/m2 at room temperature is nothing to sneeze at neither.
lanthanum  strontium  titanium  oxide  titanate  graphene  thermoelectric  power  generator  materials  science  research  technology  composite  nanocomposite  room  temperature  Delicious 
august 2015 by asteroza
Locally and Dynamically Controllable Surface Topography Through the Use of Particle-Enhanced Soft Composites - Guttag - 2015 - Advanced Functional Materials - Wiley Online Library
So unstretched/uncompressed elastomer has smooth and flat surface, but by compressing or stretching it, embedded hard particles cause surface deformation. Useful for things like tactile interfaces, surface drag reduction, anything that involves surface features. The tactile interface usage will probably be used for adult toys though...
variable  topography  surface  finish  texture  materials  science  research  technology  3D  printing  fabbing  elastomeric  matrix  hard  particle  composite  reversible  ondemand  Delicious 
june 2015 by asteroza
A Subambient Open Roof Surface under the Mid-Summer Sun - Gentle - 2015 - Advanced Science - Wiley Online Library
Interesting new surface coating that absorbs little heat, rejects what does get absorbed in IR, resulting in a roof cooler than ambient.
composite  polymer  silver  stack  surface  coating  materials  science  research  technology  cooling  IR  heat  rejection  Delicious 
june 2015 by asteroza
High-performance PEKK-based 3-D printing a first - SAE International
OXFAB PEKK beats cast aluminum/magnesium/nylon, suitable for high fatigue and chemical environments (like fuel tanks)
3D  printer  fabber  ingredients  materials  science  research  technology  carbon  composite  OXFAB  PEKK  Delicious 
january 2015 by asteroza
Steam from the sun
So at 10x solar concentration, the surface cover composite sheet composed of the graphite flake thermal absorber/boiler coupled to an underlying buoyant porous carbon air foam, creates steam pretty well. I assume the insulating factor of the carbon air foam reflects more heat into the boiler region to improve efficiency, rather than letting heat travel through and warm the bulk water.
graphite  flake  porous  structure  carbon  foam  buoyancy  buoyant  composite  steam  generator  solar  thermal  green  energy  concentrator  concentrating  Delicious 
july 2014 by asteroza
Carbon-fiber epoxy honeycombs mimic the material performance of balsa wood | Harvard School of Engineering and Applied Sciences
Interesting way of making honeycomb structures but the fiber alignment direction is not ideal, so it stiffens it up but not in ideal directions.
3D  printing  fabbing  technique  materials  science  research  technology  nanoclay  platelet  silicon  carbide  whisker  chopped  carbon  fiber  thermoset  epoxy  composite  honeycomb  cellular  structure  Delicious 
june 2014 by asteroza
Research of Graphene-reinforced Aluminum Matrix Nanocomposites
Seems like if the powder grind/mix is well done, you get pretty awesome graphene nanoflake reinforced aluminum composites. Apparently they got over a previous issue, where CNT's in an aluminum matrix turned into aluminum carbide, lowering materials properties.
graphene  nanoflake  flake  aluminum  metal  matrix  composite  nanostructure  nanocomposite  materials  science  research  technology  nanotechnology  ball  milling  powder  metallurgy  Delicious 
june 2014 by asteroza
Bio-inspired impact-resistant composites
Mimic mantis shrimp claw endocuticles with spiral laid carbon fiber composites to gain impact resistance.
biomimicry  mantis  shrimp  biological  composite  carbon  fiber  spiral  ply  winding  helicoidal  impact  absorber  shield  armor  materials  science  research  technology  Delicious 
april 2014 by asteroza
High-strength cellular ceramic composites with 3D microarchitecture
Research into 3D printed microstructure honeycombs/truss, which get plated with alumina to make tremendously strong but light materials. Uses a german NanoScribe for the 3D printing.
3D  printing  fabbing  cellular  honeycomb  structure  microstructure  materials  science  research  technology  biomimicry  technical  foam  laser  lithography  microtruss  truss  ceramic  polymer  alumina  composite  Delicious 
february 2014 by asteroza
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