Accurate Electrochemical Measurement of Magnesium Corrosion Rates; a Combined Impedance, Mass-Loss and Hydrogen Collection Study

King, Andrew; Birbilis, Nick; Scully, John R.

doi:10.1016/j.electacta.2013.12.124

Cited by 541 publications

(448 citation statements)

References 53 publications

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“…2(a) and (b), which present typical EIS data for Mg corrosion containing an inductive loop, from Qiao et al [3], for Mg specimen 19 (in the notation of Qiao et al [3]) immersed at the open circuit potential in 3.5% NaCl solution saturated with Mg(OH) 2 at 25 °C, for which there was significant micro-galvanic corrosion as evidenced by the corrosion morphology. The definitions of R s , R t , and R P , follow that in King et al [1]. R s is the solution resistance, R t is the charge transfer resistance, and R P is the polarisation resistance.…”

Section: Introductionmentioning

confidence: 99%

“…The EIS data analysis proposed by King et al [1] can be understood from Figs. 2(a) and (b), which present typical EIS data for Mg corrosion containing an inductive loop, from Qiao et al [3], for Mg specimen 19 (in the notation of Qiao et al [3]) immersed at the open circuit potential in 3.5% NaCl solution saturated with Mg(OH) 2 at 25 °C, for which there was significant micro-galvanic corrosion as evidenced by the corrosion morphology.…”

Section: Introductionmentioning

confidence: 99%

“…The recent paper by King et al [ 1 ] considered that type of Mg corrosion data from Electrochemical Impedance Spectroscopy (EIS) that contain an inductive loop. King et al [1] considered a physical model based on adsorbed intermediates in the Mg corrosion reaction, and proposed the equivalent circuit shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

“…King et al [1] considered a physical model based on adsorbed intermediates in the Mg corrosion reaction, and proposed the equivalent circuit shown in Fig. 1, designated herein the RCL equivalent circuit.…”

Section: Introductionmentioning

confidence: 99%

“…R s is the solution resistance, R t is the charge transfer resistance, and R P is the polarisation resistance. King et al [1] proposed that the polarisation resistance, R P , should be evaluated as the real part of the impedance, extrapolating the low frequency EIS data to the limit as the frequency (f) approaches zero. This is designated herein as R P,0 .…”

Section: Introductionmentioning

confidence: 99%

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Our recent data on Mg corrosion has been reanalysed because of the recent criticism that our previous data analysis was inadequate. Re-analysis leads to similar conclusions as previously. The apparent valence of Mg during corrosion was in each case less than 2.0, and in many cases less than 1.0. Moreover, these values were probably over-estimates. The low values were consistent with the evolving hydrogen gas acting as an insulator, so that the corrosion of parts of the specimen could occur isolated from the electrochemical measurement system.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Review of Recent Developments in the Field of Magnesium Corrosion

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This paper provides a review of recent developments in the field of Mg corrosion and puts those into context. This includes considerations of corrosion manifestations, material influences, surface treatment, anodization, coatings, inhibition, biodegradable medical applications, stress corrosion cracking, flammability, corrosion mechanisms for HP Mg, critical evaluation of corrosion mechanisms, and concluding remarks. There has been much research recently, and much research continues in this area. This is expected to produce significantly better, more-corrosion-resistant Mg alloys.

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Corrosion Behaviors of Long‐Period Stacking Ordered Structure in Mg Alloys Used in Biomaterials: A Review

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The long‐period stacking ordered (LPSO) phases have distinctive microstructures and significant effect on the promotion of mechanical properties of Mg alloys, which have received considerable attention not only as industrial materials but also as biodegradable implant materials recently. By now, numerous researchers devote to study the effects of the microstructures of LPSO phases on the mechanical properties of Mg alloys. But a few of them reveal the relationship between LPSO phases and corrosion behaviors of Mg alloys. Therefore, the knowledge of characteristics of LPSO phases and their effects on biocorrosion behaviors is essential. In this review, the current understanding about the structure, growth, transformation, and deformation of LPSO phases in Mg alloys are summarized. The recent developments of biocorrosion behaviors of Mg alloys are reviewed. The information on the immersion and corrosion mechanisms of Mg alloys are provided. The role of LPSO structures on corrosion behaviors of Mg alloys is intensively analyzed. Based on the current understandings, some problems are pointed out and suggestions for further research of Mg alloys with LPSO structures using as biomedical materials are provided.

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Accurate Electrochemical Measurement of Magnesium Corrosion Rates; a Combined Impedance, Mass-Loss and Hydrogen Collection Study

Cited by 541 publications

References 53 publications

Low apparent valence of Mg during corrosion

Low apparent valence of Mg during corrosion

Review of Recent Developments in the Field of Magnesium Corrosion

Corrosion Behaviors of Long‐Period Stacking Ordered Structure in Mg Alloys Used in Biomaterials: A Review

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