superhard

adj.

过[特，超]硬的；超硬；

Synthesis of superhard cubic BC2N
Hard and superhard nanocomposite coatings
The search for novel, superhard materials
Synthesis and Design of Superhard Materials
Superhard and elastic carbon nitride thin films having fullerenelike microstructure.
Different approaches to superhard coatings and nanocomposites
A concept for the design of novel superhard coatings
Computational Alchemy: The Search for New Superhard Materials
Synthesis of ultra-incompressible superhard rhenium diboride at ambient pressure
Crystal structures and elastic properties of superhard Ir N 2 and Ir N 3 from first principles