g=129 kJ/mol,速率常數(shù)K=1.28×10-8 m4·s-1。基于薄膜材料的晶粒生長模型和能量各向異性特性,解釋了(001)取向晶粒得以快速生長的原因,且發(fā)現(xiàn)這些快速生長的晶粒與S晶粒呈40°<111>取向關(guān)系。"/>

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高純鋁箔在不同退火加熱速率下的晶粒尺寸預測及生長動力學分析
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1.重慶文理學院 材料科學與工程學院,重慶 402160;2.重慶文理學院 智能制造工程學院,重慶 402160;3.蘭州理工大學 能源與動力工程學院,甘肅 蘭州 730050;4.招商局新材料科技(重慶)有限公司,重慶 402160

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基金項目:

重慶文理學院人才引進項目(2017RCH01);重慶市教委科學技術(shù)研究項目(KJQN202001301)


Grain Size Prediction and Growth Thermo-Kinetics Analysis During Annealing with Different Heating Rates for High-Voltage Anode Aluminum Foil
Author:
Affiliation:

1.School of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China;2.School of Intelligent Manufacturing Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China;3.School of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou 730050, China;4.China Merchants New Material Technology (Chongqing) Co., Ltd, Chongqing 402160, China

Fund Project:

University-level Project Funding (2017RCH01); Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN202001301)

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    摘要:

    基于電子背散射衍射技術(shù)(EBSD)和薄膜材料晶粒生長模型理論,對高壓陽極鋁箔在不同升溫速率下退火的晶粒尺寸及其生長動力學進行了研究。結(jié)果表明:依據(jù)典型的等溫晶粒生長方程,可以計算得出晶粒生長指數(shù)n=4,活化能Qg=129 kJ/mol,速率常數(shù)K=1.28×10-8 m4·s-1?;诒∧げ牧系木ЯIL模型和能量各向異性特性,解釋了(001)取向晶粒得以快速生長的原因,且發(fā)現(xiàn)這些快速生長的晶粒與S晶粒呈40°<111>取向關(guān)系。

    Abstract:

    Based on electron backscattered diffraction (EBSD) and grain growth model of thin film materials, grain sizes and growth thermo-kinetics were investigated during annealing with different heating rates in high-voltage anode aluminum foil. Results show that the grain growth exponent n=4, activation energy Qg=129 kJ/mol and rate constant K=1.28×10-8 m4·s-1 are calculated by the typical isothermal grain growth equation. Based on grain growth model of thin film materials and energy anisotropy, the reasons for the rapid growth of (001) oriented grains are well explained, and a typical 40°<111> misorientation relationship with S-grains is found.

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王運雷,任莉平,董井忍,曹川川,劉洵,蔣攀.高純鋁箔在不同退火加熱速率下的晶粒尺寸預測及生長動力學分析[J].稀有金屬材料與工程,2022,51(6):2020~2026.[Wang Yunlei, Ren Liping, Dong Jingren, Cao Chuanchuan, Liu Xun, Jiang Pan. Grain Size Prediction and Growth Thermo-Kinetics Analysis During Annealing with Different Heating Rates for High-Voltage Anode Aluminum Foil[J]. Rare Metal Materials and Engineering,2022,51(6):2020~2026.]
DOI:10.12442/j. issn.1002-185X.20210360

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  • 收稿日期:2021-04-23
  • 最后修改日期:2021-06-16
  • 錄用日期:2021-07-09
  • 在線發(fā)布日期: 2022-06-29
  • 出版日期: 2022-06-29