介绍了一种制备半固态浆料的新工艺--阻尼冷管法(DCT),利用流体分析软件FLOW3D对AZ91D镁合金在阻尼冷管中的制备过程进行三维数值模拟,获得了制备半固态浆料过程中金属的流动规律,并得出了压头高度、楔形形状及缝隙大小对合金熔体流动及制备出的半固态浆料均匀程度的影响规律,从而为DCT模具的设计及工艺参数的优化提供有效的理论指导.
参考文献
[1] | 谢水生;黄声宏.半固态金属加工技术及其应用[M].北京:冶金工业出版社,1999 |
[2] | 甄子胜,毛卫民,陈洪涛,钟雪友.电磁搅拌工艺参数对半固态AZ91D 镁合金组织的影响[J].北京科技大学学报,2003(04):341-345. |
[3] | 管仁国,陈彦博,温景林.单辊剪切/冷却工艺对LY11半固态合金组织的影响[[J].中国有色金属学报,2001(z1):5-8. |
[4] | Fan Z;Ji S;Fang X.Rheo-diecasting of aluminium alloys and components[A].Limassel Cyprus:WPI's Metal Processing Institute,2004 |
[5] | Yurko J A;Martinez R A;Flemings M C.Development of the semi-solid rheocasting (SSR) process[A].Tsukuba,Japan:National Institute of Advanced Industrial Science and Technology,2002:659-664. |
[6] | Toshio Haga .Semisolid strip casting using a twin roll caster equipped with a cooling slope[J].Journal of Materials Processing Technology,2002(0):558-561. |
[7] | Jorstad J L.SSM Processes-an overview[A].Limassel Cyprus:WPI's Metal Processing Institute,2004 |
[8] | 杨湘杰,郭洪民.半固态浆料制备技术发展动向及其对策[J].江西冶金,2003(06):75-79,98. |
[9] | 董杰,路贵民,任栖锋,崔建忠.液相线铸造法非枝晶半固态组织形成机理探讨[J].金属学报,2002(02):203-207. |
[10] | Xie S S;Yang H Q;Li X G.Damper cooling tube method to prepare semi-solid slurry of magnesium alloy[A].Limassel Cyprus:WPI's Metal Processing Institute,2004 |
[11] | 江运喜,谢水生,李兴刚.半固态金属浆料制备新技术[J].锻压技术,2003(06):41-47. |
[12] | Gebelin J C;Suery M;Favier D .Characterisation of the rheological behavior in the semi-solid state of grain-refined AZ91 magnesium alloys[J].Materials Science and Engineering A,1999,A272:134-144. |
[13] | 罗守靖,姜巨福,杜之明.半固态金属成形研究的新进展、工业应用及其思考[J].机械工程学报,2003(11):52-60. |
[14] | 徐宏,杨卯生,钟雪友,赵宇红,陈铮.铝合金半固态触变充型模拟技术研究[J].西北工业大学学报,2004(03):292-295. |
[15] | 康永林,宋仁伯,董洪波,任学平.60Si2Mn半固态轧制有限元模拟[J].机械工程学报,2002(06):83-87. |
[16] | Mobley C E;Park J;Sahai Y.Mathematical modeling of melt flow in die-casting shot sleeve[A].Seattle:TMS,2002:637-641. |
[17] | R.W. Hamilton;Z. Zhu;R.J. Dashwood .Direct semi-solid forming of a powder SiC-Al PMMC: flow analysis[J].Composites. Part A, Applied science and manufacturing,2003(4):333-339. |
[18] | 管仁国,李英龙,王顺成,刘相华,温景林.半固态扩展挤压A2017合金过程中金属流动的有限元分析[J].中国有色金属学报,2004(09):1539-1544. |
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%