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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 14    No. 1    February 2004

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Study on QTi3.5-10graphite slurry
ZHANG Peng(张 鹏)1, DU Yun-hui(杜云慧)1, LIU Han-wu(刘汉武)1,
ZENG Da-ben(曾大本)2, CUI Jian-zhong(崔建忠)3, BA Li-min(巴立民)4

1. Department of Mechanical Engineering, Beijing Jiaotong University, Beijing 100044, China;
2. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;
3. Metal Forming Department, Northeastern University, Shenyang 110004, China;
4. Anshan Automobile Fittings Factory, Anshan 114014, China

Abstract:QTi3.5-10graphite(mass fraction, %) slurry was prepared using electromagnetic-mechanical stirring technology. The distribution of graphite particles in QTi3.5-10graphite slurry was studied using cold quenching method. The results show that solid fraction of QTi3.5-10graphite slurry increases with the decreasing stirring temperature. There is a linear relationship between solid fraction and stirring temperature. With increasing solid fraction, the rising of graphite particles in slurry is restricted gradually. When the solid fraction is larger than 42.5%, the rising of graphite particles in slurry can be controlled, and QTi3.5-10graphite slurry with uniform distribution of graphite particles can be prepared.

 

Key words: QTi3.5; electromagnetic-mechanical stirring; graphite particles; solid fraction

ISSN 1672-7029
CN 43-1423/U

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