Effect of chemical milling on low-cycle fatigue behavior of an Al-Mg-Si alloy

被引:10
|
作者
Spear, Ashley D. [1 ]
Ingraffea, Anthony R. [1 ]
机构
[1] Cornell Univ, Sch Civil & Environm Engn, Ithaca, NY 14853 USA
基金
美国国家科学基金会;
关键词
Aluminum; SEM; Alkaline corrosion; Corrosion fatigue; Pitting corrosion; PITTING CORROSION; ALUMINUM-ALLOY; CRACK GROWTH; SURFACE-ROUGHNESS; INITIATION; CRYSTALLOGRAPHY; DAMAGE;
D O I
10.1016/j.corsci.2012.11.006
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effect of alkaline chemical milling used for dimensionally reducing aluminum-alloy structures is assessed in terms of total fatigue life and crack-initiation mechanisms. Chemically milled Al-Mg-Si specimens exhibited a 50% reduction in average fatigue lives compared to electropolished Al-Mg-Si specimens at comparable peak-applied loads above macroscopic yield. The fatigue-life reduction of the chemically milled specimens is likely associated with early onset of crack initiation due to pit-induced-stress concentrations. Fractographic analyses suggest a transition in the crack-initiation mechanisms from predominantly {111}-slip plane cracking to partly or predominantly pit-induced-stress driven depending on the depth of surface pits. (C) 2012 Elsevier Ltd. All rights reserved.
引用
下载
收藏
页码:144 / 153
页数:10
相关论文
共 50 条
  • [31] Microstructures and low-cycle fatigue behavior of Al-9.0%Si-4.0%Cu-0.4%Mg(-0.3%Sc) alloy
    Chen, Lijia, 1600, Chinese Academy of Sciences (50):
  • [32] MICROSTRUCTURES AND LOW-CYCLE FATIGUE BEHAVIOR OF Al-9.0%Si-4.0%Cu-0.4%Mg(-0.3%Sc) ALLOY
    Che Xin
    Liang Xingkui
    Chen Lili
    Chen Lijia
    Li Feng
    ACTA METALLURGICA SINICA, 2014, 50 (09) : 1046 - 1054
  • [33] Effect of Thermomechanical Processing on Fatigue Behavior in Solid-State Additive Manufacturing of Al-Mg-Si Alloy
    Rutherford, Ben A.
    Avery, Dustin Z.
    Phillips, Brandon J.
    Rao, Harish M.
    Doherty, Kevin J.
    Allison, Paul G.
    Brewer, Luke N.
    Jordon, J. Brian
    METALS, 2020, 10 (07) : 1 - 17
  • [34] The effect of shock-loading on the aging behavior of an Al-Mg-Si alloy
    Yassar, RS
    Cai, M
    Field, DP
    Chen, X
    Asay, J
    JOURNAL OF MATERIALS SCIENCE, 2006, 41 (06) : 1711 - 1720
  • [35] Effect of pH on corrosion behavior of Al-Mg-Si alloy in NaCl solution
    Xiao, Fen
    Zhang, Haichou
    Kong, Lingnan
    Zheng, Yaya
    Hu, Xu
    INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, 2022, 17 (11):
  • [36] The effect of shock-loading on the aging behavior of an Al-Mg-Si alloy
    R. S. Yassar
    M. Cai
    D. P. Field
    X. Chen
    J. Asay
    Journal of Materials Science, 2006, 41 : 1711 - 1720
  • [37] Effect of Li content on ageing precipitation behavior of Al-Mg-Si alloy
    Yang Xiao-kun
    Xiong Bai-qing
    Li Xi-wu
    Yan Li-zhen
    Li Zhi-hui
    Zhang Yong-an
    Li Ya-nan
    Wen Kai
    CAILIAO GONGCHENG-JOURNAL OF MATERIALS ENGINEERING, 2021, 49 (06): : 100 - 108
  • [38] THE EFFECT OF IRON ON THE PRECIPITATION IN AN AL-MG-SI ALLOY
    SCHMIDT, U
    JOACHIMI, M
    PETZOLD, L
    EICHHORN, F
    CRYSTAL RESEARCH AND TECHNOLOGY, 1984, 19 (07) : 981 - 989
  • [39] Effect of cryorolling on microstructure of Al-Mg-Si alloy
    Panigrahi, Sushanta Kumar
    Jayaganthan, R.
    Chawla, V.
    MATERIALS LETTERS, 2008, 62 (17-18) : 2626 - 2629
  • [40] Effect of Mg and Si Content on Microstructure and Property of Al-Mg-Si Alloy
    Ren Z.
    Luo B.
    Zheng Y.
    Gao Y.
    He C.
    Cailiao Daobao/Materials Reports, 2019, 33 (09): : 3072 - 3076