The present work reports on the effect of constant bending load on the electrochemical behavior of structural aluminum alloys AA 2024-T3 (Al-Cu-Mg) and AA 7075-T6 (Al-Zn-Mg-Cu). The single cycle anodic polarization curves in 0.6 M NaCl (pH 6.5) were carried out using four-point bent beam specimens (4PBB). Lower propensity to localized corrosion has been indicated for compressive stresses. The effect of tensile stresses on the electrochemical response is more complex and depends on the alloy nature.
EFFETTO DELLA SOLLECITAZIONE MECCANICA A FLESSIONE SUL COMPORTAMENTO A CORROSIONE DI LEGHE DI Al STRUTTURALI
M. Ferri;
2017-01-01
Abstract
The present work reports on the effect of constant bending load on the electrochemical behavior of structural aluminum alloys AA 2024-T3 (Al-Cu-Mg) and AA 7075-T6 (Al-Zn-Mg-Cu). The single cycle anodic polarization curves in 0.6 M NaCl (pH 6.5) were carried out using four-point bent beam specimens (4PBB). Lower propensity to localized corrosion has been indicated for compressive stresses. The effect of tensile stresses on the electrochemical response is more complex and depends on the alloy nature.File in questo prodotto:
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