THERMAL CONDUCTIVITY OF BERYLLIUM OXIDE CERAMIC

被引：68
|
作者：
Akishin, G. P. [1 ]
Turnaev, S. K. [1 ]
Vaispapir, V. Ya. [2 ]
Gorbunova, M. A. [3 ]
Makurin, Yu. N. [3 ]
Kiiko, V. S. [3 ]
Ivanovskii, A. L. [4 ]
机构：
[1] TOO KazMetizProm, Ust Kamneogorsk, Kazakhstan
[2] KTTs OAO Komintern Novosibirsk Plat, Novosibirsk, Russia
[3] Ural State Tech Univ UPI, Ekaterinburg, Russia
[4] Inst Solid Chem UrO RAN, Ekaterinburg, Russia
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2009年 / 50卷 / 06期
关键词：
BeO-ceramic; thermal conductivity; BeO powder; average grain size; density; specimen porosity; impurity phase; physicochemical properties;
D O I：
10.1007/s11148-010-9239-z
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Prospects are discussed for the use of BeO-ceramic in electronic and other fields of technology and special instrument building. With use of BeO-ceramic in electronic technology one of the main parameters is its high thermal conductivity. Analysis of publications shows that BeO-ceramic in the range 300-500 K exhibits the highest thermal conductivity among all ceramic materials used in electronic technology. Results are provided for a study of the thermal conductivity of 170 ceramic specimens made from BeO-ceramic with an identical configuration and dimensions prepared from one batch of BeO starting powder. It is established that the average size of microcrystals and the density of specimens have a defining effect on thermal conductivity.
引用
收藏
页码：465 / 468
页数：4
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