Mechanical properties of ultra-hard nanocrystalline cubic boron nitride
Vladimir L. Solozhenko, Volodymyr Bushlya, Jinming Zhou
TL;DR
This study investigates the nanostructure and mechanical properties of bulk nanocrystalline cubic boron nitride, demonstrating its classification as an ultra-hard material through various microscopy and indentation techniques.
Contribution
It provides new insights into the nanostructure and mechanical performance of nanocrystalline cubic boron nitride, highlighting its potential as an advanced ultra-hard material.
Findings
Nano-cBN exhibits high hardness and elastic modulus.
The material shows significant fracture toughness.
Transmission electron microscopy confirms nanocrystalline structure.
Abstract
Nanostructure and mechanical properties of bulk nanocristalline cubic boron nitride have been studied by transmission electron microscopy, and micro- and nanoindentation. The obtained data on hardness, elastic properties and fracture toughness clearly indicate that nano-cBN belongs to a family of advanced ultra-hard materials.
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