Crystal chemistry rationale and ab initio investigation of ultra-hard dense rhombohedral carbon and boron nitride
Sign Up to like & getrecommendations! Published in 2021 at "Diamond and Related Materials"
DOI: 10.1016/j.diamond.2021.108607
Abstract: Rhombohedral dense forms of carbon, rh-C2 (or hexagonal h-C6), and boron nitride, rh-BN (or hexagonal h-B3N3), are derived from rhombohedral 3R graphite based on original crystal chemistry scheme backed with full cell geometry optimization to… read more here.
Keywords: ultra hard; dense; boron nitride; chemistry ... See more keywords
Experimental and Theoretical Study of Ultra-Hard AlMgB14-TiB2 Composites: Structure, Hardness and Self-Lubricity
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DOI: 10.3390/ma15238450
Abstract: It is known that the presence of oxygen phases in hard materials leads to an undesirable decrease in the mechanical properties. In materials based on AlMgB14, the main oxygen impurity is spinel MgAl2O4; it significantly… read more here.
Keywords: almgb14 tib2; friction coefficient; ultra hard; almgb14 ... See more keywords