全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

镁合金薄带双辊铸轧过程的数值模拟

DOI: 10.3969/j.issn.1005-3026.2015.04.008, PP. 489-493

Keywords: 双辊铸轧,镁合金,数值模拟,宏观传输,有限元法

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于立式薄带双辊铸轧工艺的特点,采用有限元法求解镁合金薄带双辊铸轧过程的三维宏观传输方程,并应用ANSYS软件的智能网格划分技术,实现了对铸轧过程中熔池内部温度场、速度场及凝固过程的耦合模拟.分析了铸轧速度及浇注温度等主要工艺参数对熔池内流场、温度场和凝固终了点的影响规律.研究结果表明,随着浇注温度和铸轧速度的增加,熔池出口处的温度升高,凝固终了点向熔池出口处移动.通过对模拟结果的讨论,给出了适合镁合金薄带铸轧过程的工艺参数:浇注温度为640~660℃,铸轧速度为20~30m/min.

References

[1]  Mordike B L,Ebert T.Magnesium properties-applications-potential[J].Materials Science and Engineering A,2001,302:37-45.
[2]  余琨,黎文献,王日初,等.变形镁合金研究、进展及应用[J].中国有色金属学报,2003,13(2):277-287.(Yu Kun,Li Wen-xian,Wang Ri-chu,et al.Research,development and application of wrought magnesium alloy[J].Chinese Journal of Nonferrous Metals,2003,13(2):277-287.)
[3]  王广山,邸洪双,黄锋.双辊铸轧镁合金薄带冷轧实验研究[J].东北大学学报:自然科学版,2009,30(6):825-828.(Wang Guang-shan ,Di Hong-shuang ,Huang Feng.On the cold rolling of twin-roll casting magnesium alloy strip [J].Journal of Northeastern University:Natural Science,2009,30(6):825-828.)
[4]  Liang D,Cowley C B.The twin-roll strip casting of magnesium alloys[J].Journal of the Minerals,Metal & Materials Society,2004,56(5):26-28.
[5]  Park S S,Lee J G,Park Y S,et al.Fabrication of Mg alloy strips by strip casting[J].Materials Science Forum,2003,419:509-514.
[6]  Watari H,Koga N,Paisarn R.Formability of magnesium alloy sheets manufactured by semi-solid roll strip casting[J].Materials Science Forum,2004,449:181-184.
[7]  Watari H,Haga T,Koga N,et al.Feasibility study of twin roll casting process for magnesium alloys[J].Journal of Materials Processing Technology,2007,192/193:300-305
[8]  Ju D Y,Hu X D.Effect of casting parameters and deformationon microstructure evolution of twin-roll casting magnesium alloy AZ31[J].Transactions of Nonferrous Metals Society of China,2006,16:874-877.
[9]  苗雨川,邸洪双,张晓明,等.不锈钢薄带铸轧过程中的流动特性[J].钢铁研究学报,2000,12(4):14-18.(Miao Yu-chuan,Di Hong-shuang,Zhang Xiao-ming,et al.Flow field of stainless strip during roll-casting[J].Journal of Iron and Steel Research,2000,12(4):14-18.)

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133

WeChat 1538708413