SVET, SKP and EIS study of the corrosion behaviour of high strength Al and Al-Li alloys used in aircraft fabrication

被引:188
作者
Moreto, J. A. [1 ,2 ,3 ]
Marino, C. E. B. [4 ]
Bose Filho, W. W. [1 ]
Rocha, L. A. [2 ,5 ,6 ]
Fernandes, Jcs [7 ,8 ]
机构
[1] Univ Sao Paulo, Dept Mat Engn, BR-13566590 Sao Carlos, SP, Brazil
[2] Univ Minho, CT2M Ctr Mech & Mat Technol, P-4800058 Guimaraes, Portugal
[3] IFGoiano, Inst Fed Goiano, BR-75650000 Morrinhos, Goias, Brazil
[4] Univ Fed Parana, Dept Mech Engn, BR-87531990 Curitiba, PR, Brazil
[5] Univ Minho, Dept Mech Engn, P-4800058 Guimaraes, Portugal
[6] Univ Estadual Paulista, Fac Ciencias Bauru, Dept Phys, BR-17033360 Bauru, SP, Brazil
[7] Univ Lisbon, Inst Super Tecn, Dept Chem Engn, P-1049001 Lisbon, Portugal
[8] Inst Super Tecn, ICEMS, P-7049001 Lisbon, Portugal
关键词
Aluminium alloys; Intermetallics; EIS; SVET; SKP; LOCALIZED CORROSION; PITTING CORROSION; ALUMINUM; IMPEDANCE; PARTICLES; FATIGUE; MECHANISM; MATRIX;
D O I
10.1016/j.corsci.2014.03.001
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The 2XXX and 7XXX series aluminium alloys are commonly used in aircraft applications where high strength-to-weight ratios are required. The present study aims to compare the corrosion resistance of two novel alloys developed for aircraft industry (AA2198-T851 and 7081-T73511) to that presented by the alternative base alloys (AA2524-T3 and 7050-T7451, respectively). Results indicate that AA2198-T851 may show a superior corrosion performance compared to AA2524-T3, being a potential candidate for its replacement, due to best mechanical properties. In what concerns the 7081-T73511, its resistance to pitting corrosion may be lower than for the base line alloy 7050-T7451. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:30 / 41
页数:12
相关论文
共 37 条
  • [1] Electrochemical characterisation of aluminium AA7075-T6 and solution heat treated AA7075 using a micro-capillary cell
    Andreatta, F
    Lohrengel, MM
    Terryn, H
    de Wit, JHW
    [J]. ELECTROCHIMICA ACTA, 2003, 48 (20-22) : 3239 - 3247
  • [2] Effect of solution heat treatment on galvanic coupling between intermetallics and matrix in AA7075-T6
    Andreatta, F
    Terryn, H
    de Wit, JHW
    [J]. CORROSION SCIENCE, 2003, 45 (08) : 1733 - 1746
  • [3] [Anonymous], J ELECTROCHEM SOC
  • [4] [Anonymous], MAT RES
  • [5] [Anonymous], ELECTROCHIM ACTA
  • [6] [Anonymous], OXIDES OXIDE FILMS
  • [7] [Anonymous], 1990, Purp. Mat., V2, P17, DOI [10.31399/asm.hb.v02.9781627081627, DOI 10.31399/ASM.HB.V02.9781627081627]
  • [8] Electrochemical behavior and localized corrosion associated with Al7Cu2Fe particles in aluminum alloy 7075-T651
    Birbilis, N.
    Cavanaugh, M. K.
    Buchheit, R. G.
    [J]. CORROSION SCIENCE, 2006, 48 (12) : 4202 - 4215
  • [9] Corrosion of AA2024-T3 Part I. Localised corrosion of isolated IM particles
    Boag, A.
    Hughes, A. E.
    Glenn, A. M.
    Muster, T. H.
    McCulloch, D.
    [J]. CORROSION SCIENCE, 2011, 53 (01) : 17 - 26
  • [10] Stable pit formation on AA2024-T3 in a NaCl environment
    Boag, A.
    Taylor, R. J.
    Muster, T. H.
    Goodman, N.
    McCulloch, D.
    Ryan, C.
    Rout, B.
    Jamieson, D.
    Hughes, A. E.
    [J]. CORROSION SCIENCE, 2010, 52 (01) : 90 - 103