Bridge for the thermodynamics and kinetics of electrochemical corrosion: Designing of the high corrosion-resistant magnesium alloy

Duo Wang, Peng Zhou, Yi Zhang, Tao Zhang, Fuhui Wang

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

A new designing idea was proposed for the high corrosion-resistance magnesium (HCR Mg) alloy based on dissolution-ionization-diffusion-deposition (DIDD) model. HCR Mg alloy consists of low-alloying element (LA) and micro-alloying element (MA), characterized as “Mg-LA-MA” alloying system. The downwards-magnifying effect of MA-LA-Mg on the nucleation played a key role in achieving passivation behavior. The designed HCR Mg alloy (Mg-3Nd-1Gd-0.6In) showed superior corrosion resistance (near AA2024 alloy) and good mechanical performance (UTS, 259.30 ± 0.27 MPa). Overall, a universal way for designing new alloy systems with superior corrosion resistance was proposed, promising for future applications.

Original languageEnglish
Article number111428
JournalCorrosion Science
Volume222
DOIs
Publication statusPublished - Sept 2023
Externally publishedYes

Keywords

  • Alloy designing
  • DIDD model
  • High corrosion resistance
  • Magnesium alloy
  • TEM

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