苏美华,文胜平,刘勇,王为,黄晖,聂祚仁

• 1:北京工业大学材料科学与工程学院

摘要(Abstract)：

对5E61合金进行不同的均匀化退火处理,测试合金的显微硬度和电导率,用扫描电镜和透射电镜观察其显微组织,研究均匀化退火工艺对5E61合金组织及性能的影响。结果表明:5E61合金的显微硬度和电导率在均匀化退火过程中都有明显提高,双级均匀化后合金中的析出相更加细小,分布弥散;5E61合金经320℃×20 h+450℃×20 h均匀化退火后,合金中的枝晶组织消除,晶界处残留第二相最少且合金组织中各元素分布均匀,为最优的均匀化退火工艺。

关键词(KeyWords)： 5E61合金;微合金化;均匀化

Abstract:

Keywords:

基金项目(Foundation): 北京市科技计划课题(Z161100002116004);; 海洋工程和货运车辆用新型耐蚀铝合金板材工业化制造技术(2I009011201701)

作者(Author): 苏美华,文胜平,刘勇,王为,黄晖,聂祚仁

DOI: 10.13289/j.issn.1009-6264.2018-0099

参考文献(References)：

• [1]郑晖,赵曦雅.汽车轻量化及铝合金在现代汽车生产中的应用[J].锻压技术,2016(2):1-6.ZHENG Hui,ZHAO Xi-ya.Lightweight automobile and application of aluminum alloys in modern automobile production[J].Forging and Stamping Technology,2016(2):1-6
• [2]Shi T,Kong J,Wang X,et al.Preparation of multifunctional Al-Mg alloy surface with hierarchical micro/nanostructures by selective chemical etching processes[J].Applied Surface Science,2016,389:335-343.
• [3]Xu G,Cao X,Zhang T,et al.Achieving high strain rate superplasticity of an Al-Mg-Sc-Zr alloy by a new asymmetrical rolling technology[J].Materials Science and Engineering A,2016,672:98-107.
• [4]Dursun T,Soutis C.Recent developments in advanced aircraft aluminium alloys[J].Materials and Design,2014,56(4):862-871.
• [5]Zhou S,Zhang Z,Li M,et al.Formation of the eutecticum with multilayer structure during solidification in as-cast Al-Mg alloy containing a high level of Sc[J].Materials Letters,2016,164:19-22.
• [6]聂祚仁,文胜平,黄晖,等.铒微合金化铝合金的研究进展[J].中国有色金属学报,2011,21(10):2361-2370.NIE Zuo-ren,WEN Sheng-ping,HUANG Hui,et al.Research progress of Er-containing aluminum alloy[J].The Transactions of Nonferrous Metals Society of China,2011,21(10):2361-2370.
• [7]Humphreys F J,Hatherly M.Recrystallization and Related Annealing Phenomena(Second Edition)[M].Elsevier,2004.
• [8]Kulitskiy V,Malopheyev S,Mironov S,et al.Grain refinement in an Al-Mg-Sc alloy:Equal channel angular pressing versus frictionstir processing[J].Materials Science and Engineering A,2016,674:480-490.
• [9]Jiang H C,Ling-Ying Y E,Zhang X M,et al.Intermetallic phase evolution of 5059 aluminum alloy during homogenization[J].Transactions of Nonferrous Metals Society of China,2013,23(12):3553-3560.
• [10]He L Z,Li X H,Liu X T,et al.Effects of homogenization on microstructures and properties of a new type Al-Mg-Mn-Zr-Ti-Er alloy[J].Materials Science and Engineering A,2010,527(29):7510-7518.
• [11]Humphreys F J,Hatherly M.Recrystallization and Related Annealing Phenomena(Second Edition)[M].Elsevier,2004.
• [12]Xin-Yu L,Guo E J,Rometsch P,et al.Effect of one-step and two-step homogenization treatments on distribution of Al3Zr dispersoids in commercial AA7150 aluminium alloy[J].Transactions of Nonferrous Metals Society of China,2012,22(11):2645-2651.
• [13]Kulitskiy V,Malopheyev S,Mironov S,et al.Grain refinement in an Al-Mg-Sc alloy:Equal channel angular pressing versus frictionstir processing[J].Materials Science and Engineering A,2016,674:480-490.
• [14]陈永禄,傅高升,陈文哲,等.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-zhe,et al.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.
• [15]胡冠奇,贾一,赵红亮,等.均匀化退火对3003铝合金冷轧板组织的影响[J].轻合金加工技术,2010,38(7):49-52.HU Guan-qi,JIA Yi,ZHAO Hong-liang,et al.Effect of homogenizing annealing on microstructure of cold rolled 3003 aluminum alloy sheet[J].Light Alloy Fabrication Technology,2010,38(7):49-52.
• [16]Pan D,Zhou S,Zhang Z.Effect of Sc on microstructure and mechanical properties of as-cast Al-Mg alloys[J].Materials Science and Technology,2017,90:1077-1084.

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