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1235超薄雙零鋁箔坯料中Al-Fe-Si第二相粒子在軋制過程中演化行為研究
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昆明冶金研究院

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國家高技術(shù)研究發(fā)展計劃（863計劃）


Study of evolution behaviors of secondary phase particles in 1235 ultra-thin double zero foil blank during rolling process
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Kunming Metallurgical Institute

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    摘要:

    利用TEM觀察了1235超薄雙零鋁箔坯料中Al-Fe-Si第二相粒子在軋制過程中的演化行為。結(jié)果表明，隨著軋制過程的進(jìn)行，塊狀第二相粒子在軋制剪應(yīng)力的作用下被拉長，同時在拉長的塊狀第二相粒子周圍富集了許多從基體上脫落的球形小顆粒第二相粒子。導(dǎo)致第二相顆粒、溶解球化的主要原因是擴(kuò)散引起的，高密度的位錯及空位等晶體缺陷是第二相粒子回溶的主要通道。

    Abstract:

    The evolution behaviors ofAl-Fe-Si secondary phase particles in 1235 ultra-thin double zero foil blank during rolling process were observed by TEM. The results shown that bulk secondary phase particles were elongated under the shear stress during rolling process. Meanwhile many small spherical secondary phase particles were concentrated around the elongated bulk secondary phase particles. The major reason for secondary phase particles dissolution and spheroidizing was diffusion process, crystal defects such as high density dislocations and vacancies are the main channels of secondary phase particles dissolution.

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譚國寅.1235超薄雙零鋁箔坯料中Al-Fe-Si第二相粒子在軋制過程中演化行為研究[J].稀有金屬材料與工程,2016,45(4):979~981.[tanguoyin. Study of evolution behaviors of secondary phase particles in 1235 ultra-thin double zero foil blank during rolling process[J]. Rare Metal Materials and Engineering,2016,45(4):979~981.]
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  • 收稿日期:2014-04-28
  • 最后修改日期:2014-06-30
  • 錄用日期:2014-07-28
  • 在線發(fā)布日期: 2016-06-02
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