外文翻译--半固态铝合金（A356）浆料流变成形的充填性能英文版.pdf

Journal of Universityof Science and Technology Beqing Volume 15,Number 7, February 2008, Page 48 ELSEVIER Filling ability of semi-solidA356 aluminum alloy slurry in rheo-diecasting Yuelong Bail.’’, WeiminMao‘’,Son Gao”, Guoxing Tang”, and Jun Xu’’ 1 ) School of Materials Science and Engineering. University of Science and Technology Beijing, Beijing 100083.China 2) National Engineering Research Center for Nan-ferrous Metals Composite. General Research Institute for Non-ferrous Metals, Beijing 100088,China (Received 2007-02-28) Abstracts: The effects of slurry temperature, injection pressure, and piston velocity on the rheo-filling ability of semisolid A356 al- loys were studied by the reho-diecasting methods. The results show that the sluny temperature of the semi-solid A356 aluminum al- loy has an important effect on the filling ability; the higher the slurry temperature, the better is the filling ability, and the appropriate slurry temperature for rheo-filling is in the range of 585-595°C. The injection pressure also has a great effect on the filling ability, and it is appropriate to the rheo-fining when the injection pressure is in the range of 15-25 MPa. The PiStOR velocity also has a great effect on the filling ability, and it is appropriate to the rheo-filling when the piston velocity is in the range of 0.072-0.12 d s . The filling ability of the slurry prepared by low superheat pouring with weak electromagnetic stirring is very good and the microstructural distribution in the rheo-formed die castings is homogeneous, which is advantageous to the high quality die casting. 02008 University of Science and Technology Beijing. All rights reserved. Key words: A356 aluminurn alloy; rheo-diecasting; filling ability; semi-solid [The work was financially supported by the National Nature Science Foundation of Chinu (No