Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 12    No. 5    October 2002

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Effect of different heat treatment process on dampingpeak of 6061Al/SiCp MMC 
produced by spray codeposition
GU Jin-hai(顾金海)1, ZHANG Qing-xiao(张清霄)2
GU Min(顾敏)1, WANG Xi-ke(王西科)1
WANG Can(王 灿)3, ZHU Zheng-gang(朱震刚)

1. Research Center for Materials, Zhengzhou University,
 Zhengzhou 450002, China;
2. College of Mechanical and Electronic Engineering,
 Zhengzhou University, Zhengzhou 450002, China;
3. Laboratory of Internal Friction and Defects in Solids, 
Institute of Solid State Physics, Hefei 230031, China

Abstract:Effects of five typical heat treatment processes on the damping properties and the damping peak of 6061Al/SiCp MMC fabricated by spray codeposition were studied. The results show that the internal friction spectra ofvarious heat treated samples exhibit the damping peak versus temperature between 130℃ and 200℃. Furthermore, the peak temperature as well as the peak height increases with increasing frequencies. By Arrhenius equation the active energy of the damping peak can be gotten, which is above 1eV. On the other hand, different quenching treatments affect the damping peak remarkably, when the rate of cooling is above that of water quenching, the damping peak will shift to higher temperature as cooling speed is enhanced.

 

Key words: spray codeposition; 6061Al/SiCp MMC; heat treatment; damping capacity; damping peak

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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