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[1] Tu Yiyou, Huang Linghui, Sun Zhongyue, Zhou Xuefeng, et al. Effect of concurrent precipitation on recrystallization texturesin commercial Al-Mn alloys [J]. Journal of Southeast University (English Edition), 2015, 31 (4): 501-505. [doi:10.3969/j.issn.1003-7985.2015.04.012]
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Effect of concurrent precipitation on recrystallization texturesin commercial Al-Mn alloys()
并发沉淀析出对Al-Mn变形铝合金再结晶织构的影响
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
31
Issue:
2015 4
Page:
501-505
Research Field:
Materials Sciences and Engineering
Publishing date:
2015-12-30

Info

Title:
Effect of concurrent precipitation on recrystallization texturesin commercial Al-Mn alloys
并发沉淀析出对Al-Mn变形铝合金再结晶织构的影响
Author(s):
Tu Yiyou1;  Huang Linghui1;  Sun Zhongyue1;  Zhou Xuefeng1;  Jiang Jianqing1;  2
1School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
2Nanjing University of Information Science and Technology, Nanjing 210044, China
涂益友1;  黄羚惠1;  孙中岳1;  周雪峰1;  蒋建清1;  2
1东南大学材料科学与工程学院, 南京 211189; 2南京信息工程大学, 南京 210044
Keywords:
AA3003 alloy;  concurrent precipitation;  recrystallization texture
AA3003合金;  并发沉淀析出;  再结晶织构
PACS:
TG113.12
DOI:
10.3969/j.issn.1003-7985.2015.04.012
Abstract:
The effect of concurrent precipitation on recrystallization textures in AA 3003 aluminum alloys was investigated using X-ray diffraction and electron backscattering diffraction(EBSD)analyses. A weak recrystallization texture was observed in the AA 3003 alloy annealed at 783 K due to the high annealing temperature. Under the same conditions, extremely high P {011}〈111〉 recrystallization textures were detected in the AA 3003 alloy added with 0.39%Sc. Based on the EBSD results, no intensely preferential orientation nucleation of recrystallization grains was observed in the early stage of recrystallization for both alloys. However, concurrent precipitation strongly retarded the growth of recrystallization grains, except for P nucleation sites, thereby conferring an apparent initial growth advantage for P nucleation sites compared with other nucleation sites. Therefore, a sharp P {011}〈111〉 texture appeared in concurrently precipitated AA 3003 alloys.
采用X射线衍射和电子背散射衍射研究了第二相析出对冷轧AA3003铝合金再结晶织构的影响.当退火温度为783 K时, 由于退火温度高, AA3003合金再结晶织构不明显.而在相同退火条件下, 在添加了0.39%钪的AA3003合金中发现了强烈的P {011} 〈111〉织构.采用EBSD分析再结晶初期的合金, 发现2种合金的再结晶形核均无明显择优取向.第二相颗粒析出先于或与再结晶同时发生时, 会显著阻碍除P取向晶核之外的再结晶晶核的长大, 导致P取向的再结晶晶核长大速度明显快于其他取向的晶核.因此, 在并发沉淀析出影响的AA3003合金中形成了强烈的P{011} 〈111〉再结晶织构.

References:

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Memo

Memo:
Biography: Tu Yiyou(1978—), male, doctor, associate professor, tuyiyou@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.51201031), the Natural Science Foundation of Jiangsu Province(No.BK2011615), the Transformation Program of Science and Technology Achievements of Jiangsu Province(No.BA2011024).
Citation: Tu Yiyou, Huang Linghui, Sun Zhongyue, et al.Effect of concurrent precipitation on recrystallization textures in commercial Al-Mn alloys[J].Journal of Southeast University(English Edition), 2015, 31(4):501-505.[doi:10.3969/j.issn.1003-7985.2015.04.012]
Last Update: 2015-12-20