High-temperature aging time-induced composition and thickness evolution in the native oxides film on Sn solder substrate

Qiao, Chuang; Sun, Xu; Liu, Hao; Liu, Xiahe; An, Xizhong

doi:10.1007/s10854-021-06887-2

Cited by 5 publications

(2 citation statements)

References 55 publications

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“…Assuming that the dielectric constant is independent of position in the corrosion product layer, the capacitance Q f should be related to the film thickness d f according to equation (2) (Qiao et al , 2021): …”

Section: Resultsmentioning

confidence: 99%

Varied corrosion evolution behavior of pure Mg, AZ31 and AZ91 magnesium alloys in phosphate buffer solution

Chen

Sun

et al. 2023

ACMM

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Purpose The purpose of this study is to investigate the initial corrosion behavior of pure Mg, AZ31 and AZ91 alloys in phosphate buffer solution (PBS) and to characterize the features in corrosion type and resistance of the corrosion product layer. Design/methodology/approach The scanning electron microscopy, equipped with energy-dispersive spectroscopy, X-ray photoelectron spectroscopy and electrochemical impedance spectroscopy have been used to characterize the as-corroded samples. Besides, the Mg2+ concentration in PBSs has been determined by inductively coupled plasma atomic emission spectrum. Findings It has been found that pure Mg suffers pit corrosion, and AZ31 initially undergoes pit corrosion and then uniform corrosion dominates with an extended immersion duration. However, AZ91 exhibits the uniform corrosion with the highest corrosion rate among the three materials. Besides, the corrosion product layer on AZ31 has the best compactness and corrosion resistance. Originality/value The findings add depth in understanding the corrosion of pure Mg and its alloys in PBS and also have guiding significance in exploring the effects by alloyed elements to develop new biomaterials with better performance.

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Section: Resultsmentioning

confidence: 99%

Varied corrosion evolution behavior of pure Mg, AZ31 and AZ91 magnesium alloys in phosphate buffer solution

Chen

Sun

et al. 2023

ACMM

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“…The asymmetric peaks in the high-resolution spectrum of O 1s indicate that the contained oxygen should be in three states: oxide, hydroxide and adsorbed water. O 2− in the lattice of aluminum or tin oxide, OH − in the lattice of aluminum or tin hydroxide, and hydroxyl group in the adsorbed H 2 O molecule in the oxide film, respectively [23].…”

Section: Morphology Of Corrosion Productsmentioning

confidence: 99%

Effect of electromagnetic stirring current on microstructure and corrosion resistance of Al–Sn Alloy

Guo

et al. 2022

Mater. Res. Express

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Al-Sn bearing alloys were prepared with different electromagnetic stirring (EMS) currents. Electrochemical and immersion corrosion experiments were carried out on the samples. Optical microscope, SEM, EDS, and XPS were used to characterize the samples to study the effect of stirring current on the microstructure and corrosion properties of the alloy. The results show that the structure of the sample without EMS is all dendrites. With the increase of stirring current, the number of primary phase agglomerates is less and the grain size decreases. When the stirring parameter is 60A, 20Hz, the grain size is the most round and small, and the stirring effect is the best. In the later stage of immersion, the corrosion product film formed on the surface is more dense and uniform, which can effectively block the erosion of ions in the solution. The equivalent circuit fitting calculation shows that the Rtotal value is the largest, which is 1.79×106 Ω·cm², and the corrosion resistance is the best.

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Material selection in making electrochemical impedance spectroscopy sensor for electrolyte thickness measurement in marine atmosphere

Qiao,

Wu,

Hao

et al. 2023

Corrosion Science

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High-temperature aging time-induced composition and thickness evolution in the native oxides film on Sn solder substrate

Cited by 5 publications

References 55 publications

Varied corrosion evolution behavior of pure Mg, AZ31 and AZ91 magnesium alloys in phosphate buffer solution

Varied corrosion evolution behavior of pure Mg, AZ31 and AZ91 magnesium alloys in phosphate buffer solution

Effect of electromagnetic stirring current on microstructure and corrosion resistance of Al–Sn Alloy

Material selection in making electrochemical impedance spectroscopy sensor for electrolyte thickness measurement in marine atmosphere

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