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大塑性變形冷壓鋁箔的室溫回復行為
作者:
作者單位:

1.永杰新材料股份有限公司，浙江 杭州 311225;2.低品位難處理黃金資源綜合利用國家重點實驗室，福建 廈門 361101;3.湘潭大學 材料科學與工程學院，湖南 湘潭 411105;4.浙江永杰鋁業(yè)有限公司，浙江 杭州 311222;5.江西理工大學 材料冶金化學學部，江西 贛州 341000

作者簡介:

Ren Jieke, Ph. D., State Key Laboratory of Comprehensive Utilization of Low-Grade Refractory Gold Ores, Xiamen 361101, P. R. China, E-mail: renjieke@zjkyjt.wecom.work

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基金項目:

浙江省博士后科研項目 (ZJ2020044)


Room Temperature Recovery Behavior of Cold-Rolled Aluminum Foil Under Severe Plastic Deformation
Author:
Affiliation:

1.Yong Jie New Material Co., Ltd, Hangzhou 311225, China;2.State Key Laboratory of Comprehensive Utilization of Low-Grade Refractory Gold Ores, Xiamen 361101, China;3.School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China;4.Zhejiang Yong Jie Aluminium Co., Ltd, Hangzhou 311222, China;5.Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, China

Fund Project:

Postdoctoral Science Foundation of Zhejiang Province (ZJ2020044)

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    摘要:

    通過大軋制變形制備了含銅或錳的工業(yè)純鋁箔（低合金鋁鐵硅系），通過拉伸試驗、光學顯微鏡、掃描電鏡、電子背散射衍射和三維原子探針研究了室溫停放或低溫退火對鋁箔力學性能和組織的影響。結(jié)果表明，室溫停放后鋁箔的抗拉伸強度和延伸率同時下降。亞晶合并等亞結(jié)構(gòu)的回復機制導致了力學性能下降。含Mn合金因其亞晶尺寸的增加更為顯著，延伸率下降更為明顯。原子團簇強化可以部分補償強度下降，而第二相的影響可忽略不計。

    Abstract:

    Pure aluminum foil (dilute Al-Fe-Si alloy series) with Cu or Mn addition was prepared by severe cold-rolling deformation, and the effect of room temperature storage or low temperature annealing on the tensile properties and microstructure was investigated through tensile tests, optical microscope, scanning electron microscope, electron back scatter diffraction, and atom probe microscope. Results show that the ultimate tensile strength and elongation simultaneously decrease after room temperature storage. The recovery mechanism of substructure, such as subgrain coalescence, leads to the decrease in tensile properties. The decrease in plasticity is more significant for the Mn-containing alloy due to the more significantly increased subgrain size. The atom cluster strengthening can compensate for the strength loss to some extent, whereas the effect of the secondary phases is negligible.

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陳登斌,任杰克,尹付成,宋盼,湯波楷,陳繼強,萬澤全,賀有為.大塑性變形冷壓鋁箔的室溫回復行為[J].稀有金屬材料與工程,2023,52(3):840~845.[Chen Dengbin, Ren Jieke, Yin Fucheng, Song Pan, Tang Bokai, Chen Jiqiang, Wan Zequan, He Youwei. Room Temperature Recovery Behavior of Cold-Rolled Aluminum Foil Under Severe Plastic Deformation[J]. Rare Metal Materials and Engineering,2023,52(3):840~845.]
DOI：10.12442/j. issn.1002-185X.20220712

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  • 收稿日期:2022-09-07
  • 最后修改日期:2022-10-25
  • 錄用日期:2022-11-10
  • 在線發(fā)布日期: 2023-03-31
  • 出版日期: 2023-03-24