期刊
CORROSION SCIENCE
卷 186, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2021.109470
关键词
Mg alloy AZ31; CFRP; PEO; sol-gel; SVET; Galvanic corrosion
资金
- Polish National Agency for Academic Exchange called the Bekker program [PPN/BEK/2018/1/00213]
- Fundacao para a Ciencia e Tecnologia [UIDB/00100/2020, UIDP/00100/2020, SFRH/BD/127341/2016]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/127341/2016] Funding Source: FCT
The study found that using PEO and sol-gel as barrier layers can slow down the galvanic corrosion between magnesium alloy AZ31 and CFRP, providing short-term corrosion protection.
This work investigates the influence of different barrier layers, based on plasma electrolytic oxidation (PEO) and PEO/sol-gel, on the galvanic corrosion between carbon fiber reinforced polymer (CFRP) and the magnesium alloy AZ31. The scanning vibrating electrode technique (SVET) and open circuit potential (OCP) monitoring were combined with microscopic observations using scanning electron microscopy (SEM) to study the galvanic corrosion phenomena at the interface between the Mg AZ31 alloy and the CFRP layers. The PEO and sol-gel layers serving as barrier between AZ31 and CFRP were able to slow down the galvanic corrosion activity providing short-term corrosion protection.
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