对A356铝合金非树枝晶坯料在不同感应加热条件下的温度场进行了有限元模拟.发现频率、保温时间及试样尺寸等均对温度场有明显的影响.实验得出铝合金半固态感应加热时最好采用中频(640～1000Hz).应用有限元法对尺寸不同的铝合金试样的实际感应加热温度及其分布进行模拟,结果与实测结果吻合较理想.
参考文献
| [1] | SPENCER D B;MehrabianR;Flemings M C .Rheological behavior of Sn-15pct Pb in the crystallization range[J].Metallurgical and Materials Transactions,1972,3(03):1925. |
| [2] | C.G.KANG;H.K.JUNG .Semisolid Forming Process-Numerical Simulation and Experimental Study[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2001(2):363-371. |
| [3] | E. Cerri;E. Evangelista;S. Spigarelli;P. Cavaliere;F. DeRiccardis .Effects of thermal treatments on microstructure and mechanical properties in a thixocast 319 aluminum alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1/2):254-260. |
| [4] | 蒋鹏.半固态金属成型技术的研究概况[J].塑性工程学报,1998(05):1. |
| [5] | 毛卫民,赵爱民,钟雪友.半固态金属成形应用的新进展与前景展望[J].特种铸造及有色合金,1998(06):33-36. |
| [6] | Garat M.Aluminum semi-solid processing: from the billet to the finished part[A].USA,Colorado School of Mines,1998:199-213. |
| [7] | 唐靖林 等.半固态加工技术的发展和应用现状[J].兵器材料科学与工程,1998,21(03):56. |
| [8] | Kenneth P Y.Recent advances in semi-solid metal (SSM) cast Aluminum and Magnesium composites[A].England,University of Sheffield,1996:229-233. |
| [9] | 张奎 等.铝合金半固态加工技术应用[J].中国有色金属学报,2000,10(z1):135. |
| [10] | Nagy EL-KADDAH.A mathematical model of induction heating of thixoformable aluminum billets[J].轻金属,1998:1097. |
| [11] | Kapranos P.Induction heating and partial melting of high melting point thixofomable alloys[A].England,University of Sheffield,1996:148-153. |
| [12] | Kirkwood D H.The numerical modeling of heating,melting and slurry flow forsemi-solid processing of alloys: a review[A].USA,Colorado School of Mines,1998 |
| [13] | 张恒华,许珞萍,邵光杰.铝合金半固态感应加热的计算机模拟[J].中国有色金属学报,2001(z2):221-225. |
| [14] | 徐霖.感应加热影响参数的研究[J].上海金属,2002 |
| [15] | Flemings M C .Behavior of metal alloys in the semisolid state[J].Metallurgical and Materials Transactions,1991,22:957. |
| [16] | 武恭.铝及铝合金材料手册[M].北京:科学出版社,1997:369-376. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%