Development of non-linear continuous cooling precipitation diagram for Al-Zn-Mg-Cu alloy

被引：4
|
作者：
Li, H. Y. [1 ,2 ]
Liu, J. J. [1 ,2 ]
Yu, W. C. [1 ,2 ]
Li, D. W. [1 ,2 ]
机构：
[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Cent S Univ, Minist Educ, Key Lab Nonferrous Met Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2015年 / 31卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Al-Zn-Mg-Cu alloy; Non-linear continuous cooling; Electrical resistivity; TEM; Microstructure; ALUMINUM-ALLOYS; ELECTRICAL-CONDUCTIVITY; QUENCH SENSITIVITY; MICROSTRUCTURE; KINETICS;
D O I：
10.1179/1743284714Y.0000000724
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructure evolution for an Al-Zn-Mg-Cu alloy has been investigated under different non-linear cooling processes from the solution temperature. Combined with in situ electrical resistivity measurements, transmission electron microscopy, hardness tests and Newtonian cooling equations, a full continuous cooling precipitation diagram for the experimental alloy has been developed. The critical cooling rate is between 23 and 46 degrees C s(-1) at the transformation temperature and the average cooling rate, (nu) over bar ([400,275]), is between 20 and 35 degrees C s(-1). The phase transformation during the non-linear cooling process can be concluded as: S phase precipitated in the high temperature transformation stage, eta phase heterogeneously precipitated on Al3Zr dispersoids and grain boundaries during the medium temperature transformation stage and homogeneously nucleated eta'/eta phase precipitated at the low temperature transformation stage.
引用
收藏
页码：1443 / 1451
页数：9
相关论文
共 50 条
  • [31] Precipitation in an Al-Zn-Mg-Cu alloy during isothermal aging: Atomic-scale HAADF-STEM investigation
    Xu, Xuesong
    Zheng, Jingxu
    Li, Zhi
    Luo, Ruichun
    Chen, Bin
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2017, 691 : 60 - 70
  • [32] Effect of hot deformation on microstructure and quenching-induced precipitation behavior of Al-Zn-Mg-Cu alloy
    Zhang, Menghan
    Li, Chengbo
    Zhang, Yong
    Liu, Shengdan
    Jiang, Jingyu
    Tang, Jianguo
    Ye, Lingying
    Zhang, Xinming
    MATERIALS CHARACTERIZATION, 2021, 172
  • [33] Effect of magnetic field on precipitation kinetics of an ultrafine grained Al-Zn-Mg-Cu alloy
    Luo, Jun
    Luo, Hongyun
    Liu, Chu
    Zhao, Tianshu
    Wang, Runze
    Ma, Yue
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2020, 798
  • [34] Effects of lithium addition on precipitation in Li-containing Al-Zn-Mg-Cu alloy
    Bai, PC
    Zhou, TT
    Liu, PY
    Zhang, YG
    Chen, CQ
    MATERIALS LETTERS, 2004, 58 (24) : 3084 - 3087
  • [35] Pre-precipitation study in the 7012 Al-Zn-Mg-Cu alloy by electrical resistivity
    Ferragut, R
    Somoza, A
    Torriani, I
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2002, 334 (1-2): : 1 - 5
  • [36] Effect of Deformation on Precipitation and the Microstructure Evolution during Multistep Thermomechanical Processing of Al-Zn-Mg-Cu Alloy
    Zuo, Jinrong
    Hou, Longgang
    Shu, Xuedao
    Peng, Wenfei
    Yin, Anmin
    Zhang, Jishan
    METALS, 2020, 10 (11) : 1 - 16
  • [37] The effect of initial alloy temper on corrosion resistance for Al-Zn-Mg-Cu alloy
    Jiang, Yifu
    Xu, Siyang
    Gao, Shuang
    CORROSION SCIENCE, 2022, 209
  • [38] Dynamic room temperature precipitation during cyclic deformation of an Al-Zn-Mg-Cu alloy
    Hutchinson, C. R.
    de Geuser, F.
    Deschamps, A.
    PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON ALUMINUM ALLOYS (ICAA13), 2012, : 1101 - 1106
  • [39] Formation mechanism of deformation bands considering dynamic precipitation in Al-Zn-Mg-Cu alloy
    Cheng, Zinan
    Zhang, Cunsheng
    Li, Yingzhi
    Liu, Zhenyu
    Meng, Zijie
    Chen, Liang
    Zhao, Guoqun
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2025, 927
  • [40] Dynamic precipitation and recrystallization behavior during hot deformation of Al-Zn-Mg-Cu alloy: Experiment and modeling
    Cheng, Zinan
    Zhang, Cunsheng
    Chu, Guannan
    Liu, Zhenyu
    Wang, Kuizhao
    Meng, Zijie
    Chen, Liang
    Sun, Lei
    Zhao, Guoqun
    INTERNATIONAL JOURNAL OF PLASTICITY, 2024, 178
12345