Effect of Sr on the microstructure and corrosion properties of the as-cast Mg–Zn–Zr alloy
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Jinxiang Wu
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Yuxing Dong
Abstract
The effect of Sr on the microstructure of Mg–Zn–Zr alloys was investigated by means of scanning electron microscopy, energy dispersive X-ray spectroscopy and X-ray diffraction. An immersion experiment and electrochemical experiment were designed to study the effect of Sr on the corrosion performance of the alloys. The results show that the addition of Sr promotes the formation of Mg17Sr2 phase in the alloy, and this stripe phase appears at the alloy grain boundaries. With the increase in Sr content, a network structure is formed at the grain boundary, creating a corrosion barrier to prevent further corrosion of the alloy. The study found that Mg-4Zn-0.4Zr-1.0Sr alloy has the best corrosion performance.
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Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This work was supported by National Natural Science Foundation of China (Grant nos. 51574175 and 51474153).
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2022 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original Papers
- Heat-flow parameters affecting microstructure and mechanical properties of Al–Cu and Al–Ni alloys in directional solidification: an experimental comparative study
- Effect of Sr on the microstructure and corrosion properties of the as-cast Mg–Zn–Zr alloy
- Influence of Nb content on mechanical behavior and microstructure of Ti–Nb alloys
- TLP diffusion bonding of C–C composite and TC4 alloy using AgCuNiLi alloy as joining material
- Effect of CuO nanoparticle additive on optical, photocatalytic and surface properties of TiO2 mesoporous nanoparticles
- Sonochemical synthesis of MnFe2O4 nanoparticles with ionic liquid and their application in magnetic and dielectric polystyrene nanocomposites
- Preparation and characterization of electrospun sulfonated polysulfone/ZrO2 composite nanofiber membranes
- Short Communication
- Microstructure and electrochemical properties of FeCoNiCuZn high-entropy alloy films by DC electrodeposition
- News
- DGM – Deutsche Gesellschaft für Materialkunde
Articles in the same Issue
- Frontmatter
- Original Papers
- Heat-flow parameters affecting microstructure and mechanical properties of Al–Cu and Al–Ni alloys in directional solidification: an experimental comparative study
- Effect of Sr on the microstructure and corrosion properties of the as-cast Mg–Zn–Zr alloy
- Influence of Nb content on mechanical behavior and microstructure of Ti–Nb alloys
- TLP diffusion bonding of C–C composite and TC4 alloy using AgCuNiLi alloy as joining material
- Effect of CuO nanoparticle additive on optical, photocatalytic and surface properties of TiO2 mesoporous nanoparticles
- Sonochemical synthesis of MnFe2O4 nanoparticles with ionic liquid and their application in magnetic and dielectric polystyrene nanocomposites
- Preparation and characterization of electrospun sulfonated polysulfone/ZrO2 composite nanofiber membranes
- Short Communication
- Microstructure and electrochemical properties of FeCoNiCuZn high-entropy alloy films by DC electrodeposition
- News
- DGM – Deutsche Gesellschaft für Materialkunde
