颜文煅,傅高升,陈贵清

• 1:福州大学材料科学与工程学院
• 2:福建交通职业技术学院

摘要(Abstract)：

通过Gleeble热模拟试验建立动态再结晶动力学模型,研究氧化夹杂对1235铝合金的动态再结晶行为的影响。研究表明,经不同净化处理的1235铝合金在热变形条件下均发生一定程度的动态再结晶。动态再结晶体积分数的计算值与实测值接近(相关系数R大于0.92),相关性高。在相同热变形条件下,含杂量越低,热压缩时动态再结晶的速度越慢,细小的夹杂物阻碍了动态再结晶晶粒的长大,再结晶晶粒细小。

关键词(KeyWords)： 铝合金;热压缩变形;动态再结晶;动力学;氧化夹杂

Abstract:

Keywords:

基金项目(Foundation): 福建省自然科学基金项目(E0610004)

作者(Author): 颜文煅,傅高升,陈贵清

DOI: 10.13289/j.issn.1009-6264.2012.02.003

参考文献(References)：

• [1]程杰.铝箔生产及深加工[M].长沙:中南大学出版社,2010:8-18.
• [2]徐光,张丕军.金属低温变形理论与技术[M].北京:冶金工业出版社,2007:116-138.
• [3]Gourdet S,Montheillet F.An experimental study of recrystallization mechanism during hot deformation of aluminum[J].Material Science andEngineering A,2000,283:274-288.
• [4]FU Gao-sheng,CHEN Wen-ze,QIAN Kuang-wu.Behavior of flow stress of aluminum sheets used for pressure can during compression at elevatedtemperature[J].Acta Metallurgica Sinica,2005,18(6):756-763.
• [5]Alankar,Loannis N.Mastorakoos.Development of a 3D crystal plasticity model that tracks dislocation density evolution[J].Acta Materials,2009,57:5936-5946.
• [6]Attallah M M,Davis C L,Strangwood M.Influence of base metal microstructure on microstructural development in aluminum based alloy friction stirwelds[J].Journal of Material Science,2007,42:7299-7232.
• [7]马博,彭艳,刘云飞,等.低合金钢Q345B动态再结晶动力学模型[J].材料热处理学报,2010,31(4):141-146.MA Bo,PENG Yan,LIU Yun-fei,et al.Dynamic recrystallization kinetics model of low-alloy steel Q345B[J].Transactions of Materials and HeatTreatment,2010,31(4):141-146.
• [8]Deng Y,Yin Z M,Huang J W.Hot deformation behavior and microstructural evolution of homogenized 7050 aluminum alloy during compression atelevated temperature[J].Materials Science and Engineering A,2011,528:1780-1786..
• [9]Hakan Hallberg,Mathias Wallin,Matti Ristinmaa.Modeling of continuous dynamic recrystallization in commercial-purity aluminum[J].MaterialsScience and Engineering A,2010,527:1126-1134.
• [10]陈永禄,傅高升,陈文哲.均匀化退火对Al-1Mn-1Mg合金高温压缩流变应力的影响[J].材料热处理学报,2008,29(2):103-107.CHEN Yong-lu,FU Gao-sheng,CHEN Wen-ze.Influence of homogenization on flow stress of Al-1Mn-1Mg alloy during hot compression deformation[J].Transactions of Materials and Heat Treatment,2008,29(2):103-107.
• [11]Miyamoto H,Ota K,Mimaki T.Viscous nature of deformation of ultra-fine grain aluminum prosessed by equal-channel angular pressing[J].ScriptaMaterialia,2006,54:1721-1725.
• [12]Robson J D,Henry D T,Davis B.Particle effects on recrystallization in magnesium-manganese alloys[J].Materials Science and Engineering A,2011,528:4239-4247.

文章评论(Comment)：