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Small-angle X-ray scattering investigation of aging behavior of Al-Cu-Mg-Ag alloys using synchrotron radiation 被引量：3

Small-angle X-ray scattering investigation of aging behavior of Al-Cu-Mg-Ag alloys using synchrotron radiation
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摘要 The aging behavior of Al-Cu-Mg-Ag alloys with high Cu/Mg was studied by transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS) using synchrotron radiation. TEM study reveals that the major strengthening phases of the alloy after aging at 160?C for 10 h are Ω and less θ′. SAXS study shows that the scattering patterns are composed of several concentric circles at the beginning of aging process, which is replaced by the butterfly-wings scattering patterns with the increase of aging time. The butterfly-wings scattering patterns are composed of several branches. The angles between the branches are roughly equal to that between the habit planes of precipitates. The evolution of Guinier radius with aging time indicates the good coarsening resistance of the precipitates. The evolution of integrated intensity is consistent with the classical two-step precipitation process.
作者 Zhang Jianbo Zhang Yongan Zhu Baohong Liu Ruiqing Li Zhihui Li Xiwu
机构地区 Gen Res Inst Nonferrous Met Jiangxi Univ Sci & Technol
出处 《Rare Metals》 SCIE EI CAS CSCD 2012年第6期537-540,共4页 稀有金属（英文版）
基金 financially supported by the National Natural Science Foundation of China(No.51004018)
关键词 Al-Cu-Mg-Ag alloys precipitate size synchrotron radiation small angle X-ray scattering Al-Cu-Mg-Ag alloys precipitate size synchrotron radiation small angle X-ray scattering
分类号 TG1 [金属学及工艺—金属学]
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参考文献12

  • 1Song, Min, Xiao, Daihong, Zhang, Fuqin.Effect of Ce on the thermal stability of the Ω phase in an Al-Cu-Mg-Ag alloy[J].Rare Metals,2009,28(2):156-159. 被引量：5
  • 2SONG Min CHEN Kanghua HUANG Lanping.Effects of Ce and Ti on the microstructures and mechanical properties of an Al-Cu-Mg-Ag alloy[J].Rare Metals,2007,26(1):28-32. 被引量：16
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二级参考文献14

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二级引证文献20

Rare Metals
2012年 第6期

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