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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 6    No. 4    December 1996

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THERMAL CONDUCTIVITY OF Al-Li ALLOY AT CRYOGENIC TEMPERATURES
Sun Dongsheng, Li Fengzhao, Shang Lei

Department of Materials Science and Engineering,Shandong Univesity of Technology, Jinan 250014

Abstract:By using steady-thermal flow method, the thermal conductivity of round material bars 3 mm in diameter and 6 mm in length after solid solution treatment(830K, 1 h) were measured between 4~90 K range in continuous flow helium isothermal temperature apparatus. Some experimmental results were reported and profitable discussion about mechanism of thermal conductivity at different temperatures was made.

 

Key words: thermal conductivity Al-Li alloy cryogenic temperatures

ISSN 1672-7029
CN 43-1423/U

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