Thermal expansion of ChS-139 steel in temperature range 20–720 °C

被引：0
|
作者：
S. V. Stankus
Yu. M. Kozlovsky
O. S. Yatsuk
O. I. Verba
机构：
[1] Kutateladze Institute of Thermophysics SB RAS,
来源：
Thermophysics and Aeromechanics | 2013年 / 20卷
关键词：
coefficient of thermal expansion; ChS-139 steel; solid state; high temperatures;
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学科分类号：
摘要：
The article presents the results of investigation of thermal expansion of ChS-139 steel in the temperature range 20–720 °C. Measurements were carried out by dilatometric method with DIL-402C unit manufactured by NETZSCH (Germany) with the error (1.5–2)×10−7 K−1. The approximation dependences of thermal coefficient of linear expansion on temperature have been obtained and reference tables have been calculated. The abnormal change of expansion coefficient above 550 °C is shown, and the explanation of the phenomenon is given.
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页码：355 / 358
页数：3
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