Thermal expansion behavior of a shock-synthesized B-C-N heterodiamond

被引：5
|
作者：
Komatsu, T [1 ]
机构：
[1] Asahi Chem Ind Co Ltd, Analyt Res Ctr, Fuji, Shizuoka 416, Japan
来源：
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1998年 / 94卷 / 01期
关键词：
D O I：
10.1039/a705944b
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The thermal expansion coefficient of BC2.5N heterodiamond determined by means of high-temperature X-ray diffraction, is negligible up to 800 degrees C, it changes abruptly in the range 900-1100 degrees C and increases steadily above 1100 degrees C. The thermal expansion coefficient is ca. 5.5 x 10(-6) K-1 in the range 1100-1300 degrees C. This expansion coefficient is in fairly good agreement with that of cubic BN at high temperatures. The rapid expansion preceding the steady expansion is unknown for diamond and cubic BN. The thermal expansion behavior is discussed from a structural viewpoint.
引用
收藏
页码：101 / 104
页数：4
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