Mechanical properties of cubic BC2N, a new superhard phase

被引:154
作者
Solozhenko, VL [1 ]
Dub, SN [1 ]
Novikov, NV [1 ]
机构
[1] Natl Acad Sci Ukraine, Inst Superhard Mat, UA-04074 Kiev, Ukraine
关键词
new superhard phase; mechanical properties; hardness; Young's modulus;
D O I
10.1016/S0925-9635(01)00513-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new superhard phase, cubic BC2N, has very recently been synthesized by direct conversion of graphite-like BN-C solid solutions at 25 GPa and 2100 K. The hardness. Young's modulus, fracture toughness and structure of this phase have been examined using micro- and nanoindentation and transmission electron microscopy. The hardness and elastic modulus values (E, G) of the c-BC2N are intermediate between diamond and cubic boron nitride. which makes this new phase the hardest known solid after diamond. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:2228 / 2231
页数:4
相关论文
共 25 条
[1]   CUBIC BORON-NITRIDE - DIAMOND MIXED-CRYSTALS [J].
BADZIAN, AR .
MATERIALS RESEARCH BULLETIN, 1981, 16 (11) :1385-1393
[2]  
BROOKES CA, 1986, I PHYS C SER, V75, P207
[3]  
BROOKS CA, 1994, PROPERTIES GROWTH DI, P36
[4]   Elastic properties of translucent polycrystalline cubic boron nitride as characterized by the dynamic resonance method [J].
D'Evelyn, MP ;
Taniguchi, T .
DIAMOND AND RELATED MATERIALS, 1999, 8 (8-9) :1522-1526
[5]   Elastic properties of polycrystalline cubic boron nitride and diamond by dynamic resonance measurements [J].
DEvelyn, MP ;
Zgonc, K .
DIAMOND AND RELATED MATERIALS, 1997, 6 (5-7) :812-816
[6]   FRACTURE-TOUGHNESS OF CHEMICALLY VAPOR-DEPOSITED DIAMOND [J].
DRORY, MD ;
GARDINIER, CF ;
SPECK, JS .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1991, 74 (12) :3148-3150
[7]   FRACTURE TOUGHNESS DETERMINATIONS BY INDENTATION [J].
EVANS, AG ;
CHARLES, EA .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1976, 59 (7-8) :371-372
[8]  
FIELD JE, 1992, PROPERTIES NATURAL S, P6678
[9]   ELASTIC-CONSTANTS OF BORON-NITRIDE [J].
GRIMSDITCH, M ;
ZOUBOULIS, ES ;
POLIAN, A .
JOURNAL OF APPLIED PHYSICS, 1994, 76 (02) :832-834
[10]  
KAGI H, 1996, P 15 AIRAPT INT C, P258