asteroza + metal   391

Multifunctional metallic backbones for origami robotics with strain sensing and wireless communication capabilities | Science Robotics
Using paper initially as a scaffold, they apply graphene and platinum, then heat/burn it in two stages to solidify a flexible structure composed of carbon and platinum.
materials  science  research  technology  graphene  metal  backbone  scaffold  felxible  robotics  origami 
13 days ago by asteroza
Low‐Energy Room‐Temperature Healing of Cellular Metals - Hsain - - Advanced Functional Materials - Wiley Online Library
self healing metal form, of a sort, that uses an electrolyte and a donor electrode to electroplate the broken metal foam structure in-situ
self  healing  metal  foam  materials  science  research  technology  biomimicry  electroplating 
september 2019 by asteroza
Phys. Rev. Lett. 122, 256403 (2019) - Alloy-Free Band Gap Tuning across the Visible Spectrum
Using molecular beam epitaxy to build up thin film composites as an alternative to conventional rare metals
molecular  beam  epitaxy  thin  film  composite  materials  science  research  technology  alternative  rare  earth  metal 
july 2019 by asteroza
A map of the inorganic ternary metal nitrides | Nature Materials
Computational chemistry to pinpoint materials that should be checked/tested for first.
computational  chemistry  materials  science  discovery  mapping  research  technology  metal  nitride  inorganic 
june 2019 by asteroza
PNNL: News - ShAPEing the future of magnesium car parts
Basically pushing friction stir welding products through an extrusion die, rather than heating the whole mandrel or heating the whole die. Which implies improved microstructure for the extrusion, and that anything that can be friction stir welded can also be extruded (perhaps continuously?)
metal  metallurgy  friction  stir  welding  extrusion  materials  science  manufacturing  research  technology 
june 2019 by asteroza
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 
march 2019 by asteroza
Saarbrücken research team uses artificial muscles to develop an air conditioner for the future | Universität des Saarlandes
Using nitinol shape memory alloys as the thermal medium/matrix in a thermal wheel rotary air heat exchanger, where the wheel itself is the HVAC system!
rotary  heat  exchanger  thermal  wheel  air  entropy  nitinol  shape  memory  alloy  metal  conditioner  heater  HVAC  mechanical  materials  science  research  technology  cooling  heating 
march 2019 by asteroza
Exergyn®
Power generator using cycling waste heat hot water/cooling water to drive a shape memory alloy wire actuator piston, which drives a hydraulic transmission and power generator. Made a discovery for high cycle ninitol alloy (10 million versus 1 million cycles for regular NT wire) to make the linear actuator work for industrial applications. Uses direct impingement of hot water and cold water to cycle the actuator though...
nitinol  shape  memory  metal  alloy  materials  science  research  technology  wasteheat  power  generator  linear  actuator  piston  hydraulic  transmission  drive  scavenging  harvesting  high  cycle  fatigue  resistance 
march 2019 by asteroza
OSA | Laser coloration of metals in visual art and design
Some sort of way of using a single laser to multicolor metal coloring using not just classic laser oxidation or periodic grating, but also some sort of subwavelength nanoparticle surface treatment
laser  oxidation  periodic  grating  subwavelength  nanoparticle  surface  treament  metal  coloring  color  materials  science  research  technology 
february 2019 by asteroza
Joining gun bonds metal and plastic within seconds
Adheasiveless, rivetless joining of plastic and metal, by laser etching tiny holes at the joint position in the metal, fast melting the plastic into the holes, then cooling the plastic so that it grabs the holes.
plastic  metal  bond  joint  Fraunhofer  materials  science  manufacturing  research 
february 2019 by asteroza
(PDF) COMPACT HIGH TEMPERATURE REACTOR (CHTR)
The TRISO pebbles are immobilized inside the thick walls of a graphite tube with graphite powder, but one would worry about TRISO pebble shifting/settling within the powder area.
india  thorium  lead  bismuth  liquid  metal  coolant  eutectic  TRISO  fuel  pebble  nuclear  reactor 
december 2018 by asteroza
A multicaloric cooling cycle that exploits thermal hysteresis | Nature Materials
Uses a ring of shape memory alloy, and magnets plus compression rollers to enable a 6 stage cooling system.
shape  memory  metal  alloy  giant  magnetocaloric  refridgeration  cooling  materials  science  research  technology  permanent  magnet 
september 2018 by asteroza
Cr-Mo-V-W: A new refractory and transition metal high-entropy alloy system - ScienceDirect
Chromium, Tungsten, Rhenium plus other bits metal alloy calculated to melt at 3044K. Possibly usable for molten salt nuclear reactors.
high  entropy  metal  alloy  materials  science  research  technology  temperature  refractory  computational  chemistry 
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
Homepage | Digital Alloys
resistance heating mixed wires for fast printing, similar to EBAM
metal  3D  printing  fabbing  printer  fabber  resistance  heating  wire 
september 2018 by asteroza
github/glb-director: GitHub Load Balancer Director and supporting tooling.
bare metal load balancer software, uses rendezvous hashing to deal with fill/draining proxy pool
bare  metal  load  balancer  software  networking  loadbalancing  opensource  github  rendezvous  hashing  DPDK 
august 2018 by asteroza
Oxidation and Creep Resistant Nickel Alloy | QuesTek Innovations LLC
Allegedly the special Iconel alloy SpaceX will use in their Raptor engines, powdered so suitable for 3D printing.
single  crystal  nickel  superalloy  metallurgy  alloy  metal  3D  printing  fabbing  inconel  materials  science  research  technology  SpaceX  space  rocket  engine  raptor 
june 2018 by asteroza
Every Silver Lining Has a Cloud - ACM Queue
"Some providers now have something called Metal-as-a-Service, which I really think ought to mean that an '80s metal band shows up at your office, plays a gig, smashes the furniture, and urinates on the carpet, but alas, it's just the cloud providers' way of finally admitting that cloud computing isn't really the right answer for all applications."
humor  bare  metal  MaaS  cloud  performance  server 
june 2018 by asteroza
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