Submicron cubic boron nitride as hard as diamond

Here, we report the sintering of aggregated submicron cubic boron nitride (sm-cBN) at a pressure of 8 GPa. The sintered cBN compacts exhibit hardness values comparable to that of single crystal diamond, fracture toughness about 5-fold that of cBN single crystal, in combination with a high oxidizatio...

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Veröffentlicht in:	Applied physics letters 2015-03, Vol.106 (12)
Hauptverfasser:	Liu, Guoduan, Kou, Zili, Yan, Xiaozhi, Lei, Li, Peng, Fang, Wang, Qiming, Wang, Kaixue, Wang, Pei, Li, Liang, Li, Yong, Li, Wentao, Wang, Yonghua, Bi, Yan, Leng, Yang, He, Duanwei
Format:	Artikel
Sprache:	eng
Schlagworte:	BORON NITRIDES COMPARATIVE EVALUATIONS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CUBIC LATTICES DIAMONDS FRACTURE PROPERTIES GRAIN SIZE HARDNESS MONOCRYSTALS POTENTIALS PRESSURE DEPENDENCE SINTERING TEMPERATURE DEPENDENCE
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