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Transformable topological mechanical metamaterials : Nature Communications
New mechanical metamaterial design, can switch edges from hard to soft by apply strain in certain ways. Applicable as an analog to shear thickening liquid armor?
mechanical  metamaterial  materials  science  research  technology  variable  hardness  soft  hard  Delicious 
january 2017 by asteroza
High hardness in the biocompatible intermetallic compound β-Ti3Au | Science Adva...
Apparently very high temperature prepared titanium gold alloy has a beta crystal type that is tremendously hard.
beta  crystal  titanium  gold  metal  alloy  high  hardness  materials  science  research  technology  Delicious 
july 2016 by asteroza
Synthesis of ultrahard fullerite with a catalytic 3D polymerization reaction of C60
New stuff harder than diamond. Key is using CS2 to make fullerites at room temperature at 8GPa, so much easier to do. Conventional fullerite synthesis requires 13GPa and 1100K
C60  carbon  fullerene  polymer  fullerite  high  hardness  materials  science  research  technology  Delicious 
september 2014 by asteroza
A Material with Electrically Tunable Strength and Flow Stress
Using an acid to etch channels in the structure of a metal, you can pour in a liquid conductor and fire an electric field into the metal to tweak it's properties.
metal  strength  hardness  ductility  live  variable  control  materials  science  research  tehcnology  electric  field  suface  treatment  intelligent  smartmatter  Delicious 
june 2011 by asteroza

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