Corrosion behaviour in salt spray and in 3.5% NaCl solution saturated with Mg(OH)2 of as-cast and solution heat-treated binary Mg–RE alloys: RE=Ce, La, Nd, Y, Gd

Shi, Zhiming; Cao, Fuyong; Song, Guang‐Ling; Liu, Ming; Atrens, Andrej

doi:10.1016/j.corsci.2013.06.032

Cited by 151 publications

(95 citation statements)

References 38 publications

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“…9 and 10 present an analysis for the data of Cao et al [11] for the corrosion of Mg-X alloys that was similar to that presented above for the data of Shi et al [10] for the corrosion of the Mg-RE alloys. The conclusions were similar: (i) in Fig.…”

Section: Mg-x Alloysmentioning

confidence: 56%

“…The values of P W , P AH , P H6.5 , P i,u and P i,EIS,LF correspond to the values evaluated by Shi et al [10].…”

Section: Mg-re Alloysmentioning

confidence: 99%

Section: Mg-re Alloysmentioning

confidence: 99%

“…7 presents re-analysis of typical experimental data from Shi et al [10] for the corrosion of Mg-RE alloys. Shi et al [10] should be consulted for full details of the experiments and experimental data. Immersion tests were carried out for five Mg-RE alloys in the as-cast and solution heat-treated conditions immersed in 3.5% NaCl solution saturated with Mg(OH) 2 for 7 days at 25 ± 2 °C.…”

Section: Mg-re Alloysmentioning

confidence: 99%

“…The aim of this paper was to assess the implication of a reanalysis of our recent EIS data for Mg corrosion [3,6,10,11], based on the suggestions of King et al [1], and in particular if there needed to be any revision of (i) the conclusions in those papers, or (ii) the conclusions regarding the Mg corrosion mechanism made in our recent review [12].…”

Section: If It Is Assumed That the Anodic Partial Reaction During Mg mentioning

confidence: 99%

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Low apparent valence of Mg during corrosion

et al. 2014

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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: Mg-x Alloysmentioning

confidence: 56%

“…The values of P W , P AH , P H6.5 , P i,u and P i,EIS,LF correspond to the values evaluated by Shi et al [10].…”

Section: Mg-re Alloysmentioning

confidence: 99%

Section: Mg-re Alloysmentioning

confidence: 99%

Section: Mg-re Alloysmentioning

confidence: 99%

Section: If It Is Assumed That the Anodic Partial Reaction During Mg mentioning

confidence: 99%

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Low apparent valence of Mg during corrosion

et al. 2014

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Evaluation of Coatings for Mg Alloys for Biomedical Applications

et al. 2014

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The aim of this work was to assess a number of coatings developed for Mg for biomedical applications. The Mg substrates were high-purity (HP) Mg and ME10, an alloy recently developed for improved extrudability. The research utilized the new fishing-line specimen configuration to allow direct comparison to our recent in vivo and in vitro measurements. The in vitro measurements were immersion tests of fishing-line specimens immersed in Nor's solution at 37 °C. Tests of substantial duration are needed because the corrosion rates of uncoated samples are low. Nor's solution is the designation given to Hank's solution through which CO2 is bubbled at a partial pressure of 0.009 atm. In this solution, pH is maintained constant by the interaction of CO2 and the bicarbonate ions in the solution. This is the same buffer as that which maintains the pH of blood. Coatings examined were: (i) an anodization using a bio-friendly alkaline electrolyte consisting of phosphate, borate, and metasilicate, (ii) octyltrimethoxysilane (OSi), (iii) 1,2-bis[triethoxysilyl]ethane (BTSE), (iv) anodization + OSi, and (v) anodization + BTSE. The performance of coated samples was comparable to or better than that of the uncoated samples, and there was a substantially better performance for the ME10 samples after anodization + OSi. Reasons for the various performances are discussed

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Review of Recent Developments in the Field of Magnesium Corrosion

et al. 2015

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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 behaviour in salt spray and in 3.5% NaCl solution saturated with Mg(OH)2 of as-cast and solution heat-treated binary Mg–RE alloys: RE=Ce, La, Nd, Y, Gd

Cited by 151 publications

References 38 publications

Low apparent valence of Mg during corrosion

Low apparent valence of Mg during corrosion

Evaluation of Coatings for Mg Alloys for Biomedical Applications

Review of Recent Developments in the Field of Magnesium Corrosion

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