The use of the NGR method to investigate the redistribution of iron ions in a zirconium alloy during corrosion

Babikova, Yu. F.; Gruzin, P. L.; Иванов, А. В.; Filippov, V. P.

doi:10.1007/bf01666659

Cited by 4 publications

(5 citation statements)

References 8 publications

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“…The corrosion products were scraped from the surface of the samples from: a) near surface layers, b) middle layers (∼1.5 mm deepness) and c) layers near the metal (∼3.0 mm deepness). From the scraped products absorbers with thickness ∼30÷50 mg/cm 2 were prepared with using technology described in papers [1,2]. Mössbauer measurements were performed using a 57 Co(Cr) source with the spectrometer in transmission mode.…”

Section: Sample Preparation and Experimental Methodsmentioning

confidence: 99%

Mössbauer investigation of the influence of the sea atmosphere on the corrosion of steel constructions in Sochi

Filippov

Lauer

et al. 2013

Hyperfine Interact

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A study of the sea atmosphere influence on the corrosion products of steel constructions near Sochi at difference distances from the sea has been made. The phases and compositions of the corrosion products formed on different sides of steel construction elements were examined by using Mössbauer spectroscopy (at 298 and 78 K). The results show that phases and composition distributions in oxide films are different on different parts of the constructions. The differences depend not only on the distance from the sea, but from their relative orientation to the sea also. The phase structure of the oxide films on different positions is identified.

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Section: Sample Preparation and Experimental Methodsmentioning

confidence: 99%

Mössbauer investigation of the influence of the sea atmosphere on the corrosion of steel constructions in Sochi

Filippov

Lauer

et al. 2013

Hyperfine Interact

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“…This can be explained by the fact that the iron atom oxidises during corrosion. Taking into account [3,4,7], we can conclude that in the oxide films of these alloys the solid solutions of the Fe 2+ and Fe 3+ ions in ZrO 2 are formed. An analysis of the right part of Figure 1 shows the presence of lines due to hyperfine magnetic splitting of the magnetic phases in oxide films.…”

Section: Spectra Obtained After Corrosion Of Alloys In Water With B Amentioning

confidence: 98%

“…The Fe(OH) 3 compound is unstable and under high temperature decays to !-Fe 2 O 3 oxide and water. The great difference between water steam and autoclave corrosion is the following: in water steam, the Fe 3 O 4 is formed on oxide film; in the autoclave, Fe 2 O 3 is formed.…”

Section: Corrosion In Autoclavementioning

confidence: 99%

“…Fitting of the spectra of oxide films of binary and multicomponent alloys [3,5,7] shows the lines of hyperfine magnetic splitting of !-Fe, !-Fe 2 O 3 , phases and the lines of paramagnetic phases, corresponding to FeO and solid solutions of Fe 3+ and Fe 4+ in ZrO 2 compounds [8]. The concentration of all phases, except Fe 4+ solid solution in ZrO 2 , increases.…”

Section: Corrosion In Oxygenmentioning

confidence: 99%

“…Analysis of spectra of oxide films obtained in an autoclave [3,5,7] shows the presence of the Fe(OH) 3 , !-Fe 2 O 3 , and Fe 3+ solid solutions in ZrO 2 compounds. The Fe(OH) 3 compound is unstable and under high temperature decays to !-Fe 2 O 3 oxide and water.…”

Section: Corrosion In Autoclavementioning

confidence: 99%

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Mossbauer investigations of corrosion environment influence on Fe valence states in oxide films of zirconium alloys

2006

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Mössbauer investigations about iron atom redistribution in oxide films of zirconium alloys subjected to corrosion at 500°C in pure oxygen and water pair have been analysed. The alloys were also subjected to autoclave conditions at a pressure of 10.0 MPa and autoclave conditions at 350°C and at a pressure of 16.8 MPa, using distilled water and water with additives of lithium and fluorine. It is shown that, depending on the corrosion environment, various compounds of iron, such as !-Fe 2 O 3 , Fe 3 O 4 , and FeO, as solid solutions of iron in ZrO 2 are formed in oxide films.

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Hyperfine interaction and phase transitions in oxide films of zirconium alloys

Filippov¹,

Каргин²,

Alferov³

2012

Hfi / Nqi 2012

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The use of the NGR method to investigate the redistribution of iron ions in a zirconium alloy during corrosion

Cited by 4 publications

References 8 publications

Mössbauer investigation of the influence of the sea atmosphere on the corrosion of steel constructions in Sochi

Mössbauer investigation of the influence of the sea atmosphere on the corrosion of steel constructions in Sochi

Mossbauer investigations of corrosion environment influence on Fe valence states in oxide films of zirconium alloys

Hyperfine interaction and phase transitions in oxide films of zirconium alloys

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