Texture Evolution of Cold-rolled Al-1.8Cu-0.4Mg-0.4Mn Aluminum Alloy
摘 要
对Al-1.8Cu-0.4Mg-0.4Mn合金冷轧织构演变过程进行了研究.结果表明:冷轧试样呈现“铜式”织构特征,但G组分较强,在70%变形量时达最大;再结晶退火后,织构较弥散;分级加热再结晶退火后再次进行80%压下量的冷轧,初次冷轧50%的试样形成弱的旋转立方织构,而70%的试样则形成“铜式”织构;在快速加热再结晶退火条件下,初次冷轧50%的试样形成强的旋转立方织构,而初次冷轧70%的试样则形成弱的{001}〈110〉旋转立方织构.
Abstract
Al-1.8Cu-0.4Mg-0.4Mn aluminum alloy was cold-rolled with different reductions and the texture evolution was investigated.The results show that textures of the samples initially cold-rolled are typical copper-type but with strong G component which got maximum at 70% reduction.Recrystallization texture after annealing is random.However,weak {001}〈110〉 rotated cube component appeares in the sample which was cold-rolled initially with 50% reduction and heated step by step for annealing and finally cold-rolled with 80% reduction.Copper-type texture appeares in the sample that was cold-rolled initially with 70% reduction,and then processe in the same way mentioned above.But after rapidly heating annealing,the sample with 50% initial rolling reduction and 80% final rolling reduction,have strong {001}〈110〉 rotated cube component.The sample with 70% initial rolling reduction and 80% final rolling reduction have weak {001}〈110〉 rotated cube component.
中图分类号 TG111.7
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收稿日期 2006/11/17
修改稿日期 2006/12/31
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备注宝磊(1981-),男,辽宁阜新人,硕士研究生.
引用该论文: BAO Lei,WU Bao-lin,DU Xing-hao. Texture Evolution of Cold-rolled Al-1.8Cu-0.4Mg-0.4Mn Aluminum Alloy[J]. Materials for mechancial engineering, 2007, 31(9): 18~22
宝磊,武保林,杜兴蒿. Al-1.8Cu-0.4Mg-0.4Mn合金冷轧织构的演变[J]. 机械工程材料, 2007, 31(9): 18~22
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参考文献
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【2】陈增来.铝电解电容器的新进展[J].电子元件与材料,1991(2):22-29.
【3】Kim J K,Jee Y K,Huh M Y.Formation of textures and microstructures in asymmetrically cold rolled and subsequently annealed aluminum alloy 1100 sheets[J].Journal of Materials Science,2004,39:5365-5369.
【4】武保林,王轶农,王刚,等.LY12铝合金的再结晶织构及晶界特征分布[J].材料研究学报,2000(6):634-638.
【5】梁志德,徐家桢,王 福.织构材料的三维取向分析术——ODF分析[M].沈阳:东北工学院出版社,1986.
【6】韩淑芝,娄明珠.3004铝合金冷轧薄板的ODF分析[J].轻金属,1994(1):49-51.
【7】Liu Q,Jenson J D,Henson N.Effect of grain orientation on deformation structure in cold-rolled polycrystalline aluminum[J].Acta Mater,1998,46:5819-5838.
【8】Liu Q,Huang X,Lloud D J,et al.Microstructure and strength of commercial purity aluminum (AA1200) cold-rolled to large strains[J].Acta Mater,2002,50:3789-3802.
【9】Ahzi S,M`Guil S.Simulation of deformation texture evolution using an intermediate model[J].Solid State Phenomena,2005,105(7):251-258.
【10】Luke K.Formation of recrystallization texture in metals and alloys[C]//Proc ICOTOM7,1984:195-210.
【11】Vatne H E,R Shahani,Nes E.Deformation of cube-oriented grains and formation of recrystallized cube grain in a hot deformed commercial Al-My-Mn aluminum alloy[J].Acta Mater,1996,44:4447-4462.
【12】Samajdar I,Doherty R D.Role of orientations in the preferred nucleation of cube grains in recrystallization of FCC metals[J].Scripta Metall,1995,32:845-850.
【13】Ito K,Musik K,Lucke K.Influence of iron content and annealing temperature on the recrystallization textures of high-purity aluminum-iron alloy[J].Acta Metall,1984,31:2137-2149.
【14】Jenson D J,Hanson N,Humphrey F J.Texture development during recrystallization of aluminum containing large particle[J].Acta Metall,1985,33:2155-2162.
【15】Engler O.An EBSD local texture study on the nucleation of recrystallization at shear bands in the alloy Al-3%Mg[J].Scripta Materialia,2001,44:222-23.
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