asteroza + zirconium   10

Ceramic–metal composites for heat exchangers in concentrated solar power plants | Nature
New hybrid ceramic for use in heat exchangers. Start with a titanium carbide porous block, immerse in a copper and zirconium bath. The zirconium infiltrates the ceramic and displaces titanium in the carbide, while the titanium migrates into the open pores. Copper ends up being a thin film sealant.
supercritical  CO2  heat  exchanger  PCHE  materials  science  research  technology  titanium  carbide  zirconium  copper 
october 2018 by asteroza
Ablation-resistant carbide Zr0.8Ti0.2C0.74B0.26 for oxidizing environments up to 3,000 °C | Nature Communications
New single phase carbide coating to resist high temps, with notable improvement in ablation resistance and what appears to be an easier manufacturing method.
zirconium  carbide  UHTC  ceramic  materials  science  research  technology  high  temperature  ablation 
july 2017 by asteroza
Water harvesting from air with metal-organic frameworks powered by natural sunli...
Hrm, seems like as long as you have sun and a front end filter for the air to keep the MOF from gunking up, this could work indefinitely...
zirconium  MOF  metal  oxide  framework  air  water  humidity  capture  materials  science  research  technology  heat  solar  harvester  Delicious 
april 2017 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
New Sulfur- and Coking-Tolerant Material Could Expand Applications for Solid Oxide Fuel Cells
new ceramic anode for SOFC that is hydrogen sulfide resistant and also carbon coking resistant, that operates at low(er) temps than current fuel cells.
SOFC  anode  materials  science  research  technology  YSZ  yittria  zirconia  ceramic  electrolyte  BZCYYb  barium  zirconium  cerium  yttrium  ytterbium  low  temperature  carbon  coking  sulfur  poisoning  resistance  hydrogen  sulfide  fuelcell  Delicious 
october 2009 by asteroza

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