The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys

Andrzej Kielbus; Tomasz Rzychon; Joanna Michalska; Michal Stopyra

doi:10.4028/www.scientific.net/DDF.326-328.255

The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys

Silesian University of Technology

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Abstrakt

In this paper, the corrosion resistance of two sand-casting creep resistant magnesium alloys Mg-9Al-1.5Ca-0.3Sr and Mg-9Al-2.2Ca-0.8Sr in the salt environment has been investigated. Specimens of each alloy has been immersed in 3.5% NaCl solution at room temperature and successively taken out after 1, 2, 4, 5 and 9 days. After immersion test, the microstructure and the appearances of the corroded structure were examined. The corrosion rates of both investigated alloys increased lineally with increasing the exposure time in both solutions. Mg-9Al-1.5Ca-0.3Sr alloy exhibits the higher corrosion rate during the immersion test than Mg-9Al-2.2Ca-0.8Sr. The corrosion layer of both alloys consists of MgO, MgOH and phases containing Cl, Na, Al and Ca. The increase of Ca content in the Mg-9Al-2.2Ca-0.8Sr alloy improved the corrosion resistance due to the formation of the reticular (Mg,Al)₂Ca phase, which acted as an effective barrier against corrosion.

Język oryginału	angielski
Tytuł publikacji goszczącej	Diffusion in Solids and Liquids VII
Podtytuł publikacji goszczącej	Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials
Wydawca	Trans Tech Publications Ltd.
Strony	255-260
Liczba stron	6
Tom	326-328
ISBN (drukowany)	9783037854006
Identyfikatory DOI	https://doi.org/10.4028/www.scientific.net/DDF.326-328.255
Status publikacji	Opublikowano - 2012
Wydarzenie	7th International Conference on Diffusion in Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials, DSL 2011 - Algarve, Portugalia Czas trwania: 26 cze 2011 → 30 cze 2011

Konferencja

Konferencja	7th International Conference on Diffusion in Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials, DSL 2011
Kraj/Terytorium	Portugalia
Miejscowość	Algarve
Okres	26/06/11 → 30/06/11

Obszary tematyczne ASJC Scopus

Promieniowanie
Materiałoznawstwo ogólne
Fizyka materii skondensowanej

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Cytowanie

Kielbus, A., Rzychon, T., Michalska, J., & Stopyra, M. (2012). The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys. W Diffusion in Solids and Liquids VII: Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials (Tom 326-328, str. 255-260). Trans Tech Publications Ltd.. https://doi.org/10.4028/www.scientific.net/DDF.326-328.255

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title = "The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys",

abstract = "In this paper, the corrosion resistance of two sand-casting creep resistant magnesium alloys Mg-9Al-1.5Ca-0.3Sr and Mg-9Al-2.2Ca-0.8Sr in the salt environment has been investigated. Specimens of each alloy has been immersed in 3.5\% NaCl solution at room temperature and successively taken out after 1, 2, 4, 5 and 9 days. After immersion test, the microstructure and the appearances of the corroded structure were examined. The corrosion rates of both investigated alloys increased lineally with increasing the exposure time in both solutions. Mg-9Al-1.5Ca-0.3Sr alloy exhibits the higher corrosion rate during the immersion test than Mg-9Al-2.2Ca-0.8Sr. The corrosion layer of both alloys consists of MgO, MgOH and phases containing Cl, Na, Al and Ca. The increase of Ca content in the Mg-9Al-2.2Ca-0.8Sr alloy improved the corrosion resistance due to the formation of the reticular (Mg,Al)2Ca phase, which acted as an effective barrier against corrosion.",

keywords = "Corrosion, Mg-Al-Ca-Sr magnesium alloys, Microstructure, Sand casting",

author = "Andrzej Kielbus and Tomasz Rzychon and Joanna Michalska and Michal Stopyra",

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doi = "10.4028/www.scientific.net/DDF.326-328.255",

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isbn = "9783037854006",

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pages = "255--260",

booktitle = "Diffusion in Solids and Liquids VII",

publisher = "Trans Tech Publications Ltd.",

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note = "7th International Conference on Diffusion in Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials, DSL 2011 ; Conference date: 26-06-2011 Through 30-06-2011",

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Kielbus, A , Rzychon, T , Michalska, J & Stopyra, M 2012, The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys. w Diffusion in Solids and Liquids VII: Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials. tom 326-328, Trans Tech Publications Ltd., str. 255-260, 7th International Conference on Diffusion in Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials, DSL 2011, Algarve, Portugalia, 26/06/11. https://doi.org/10.4028/www.scientific.net/DDF.326-328.255

The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys. / Kielbus, Andrzej ; Rzychon, Tomasz ; Michalska, Joanna i in.
Diffusion in Solids and Liquids VII: Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials. Tom 326-328 Trans Tech Publications Ltd., 2012. str. 255-260.

Wyniki badań: Rozdział w książce/raport/materiał konferencyjny › Wkład w konferencję › recenzja

TY - GEN

T1 - The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys

AU - Kielbus, Andrzej

AU - Rzychon, Tomasz

AU - Michalska, Joanna

AU - Stopyra, Michal

PY - 2012

Y1 - 2012

N2 - In this paper, the corrosion resistance of two sand-casting creep resistant magnesium alloys Mg-9Al-1.5Ca-0.3Sr and Mg-9Al-2.2Ca-0.8Sr in the salt environment has been investigated. Specimens of each alloy has been immersed in 3.5% NaCl solution at room temperature and successively taken out after 1, 2, 4, 5 and 9 days. After immersion test, the microstructure and the appearances of the corroded structure were examined. The corrosion rates of both investigated alloys increased lineally with increasing the exposure time in both solutions. Mg-9Al-1.5Ca-0.3Sr alloy exhibits the higher corrosion rate during the immersion test than Mg-9Al-2.2Ca-0.8Sr. The corrosion layer of both alloys consists of MgO, MgOH and phases containing Cl, Na, Al and Ca. The increase of Ca content in the Mg-9Al-2.2Ca-0.8Sr alloy improved the corrosion resistance due to the formation of the reticular (Mg,Al)2Ca phase, which acted as an effective barrier against corrosion.

AB - In this paper, the corrosion resistance of two sand-casting creep resistant magnesium alloys Mg-9Al-1.5Ca-0.3Sr and Mg-9Al-2.2Ca-0.8Sr in the salt environment has been investigated. Specimens of each alloy has been immersed in 3.5% NaCl solution at room temperature and successively taken out after 1, 2, 4, 5 and 9 days. After immersion test, the microstructure and the appearances of the corroded structure were examined. The corrosion rates of both investigated alloys increased lineally with increasing the exposure time in both solutions. Mg-9Al-1.5Ca-0.3Sr alloy exhibits the higher corrosion rate during the immersion test than Mg-9Al-2.2Ca-0.8Sr. The corrosion layer of both alloys consists of MgO, MgOH and phases containing Cl, Na, Al and Ca. The increase of Ca content in the Mg-9Al-2.2Ca-0.8Sr alloy improved the corrosion resistance due to the formation of the reticular (Mg,Al)2Ca phase, which acted as an effective barrier against corrosion.

KW - Corrosion

KW - Mg-Al-Ca-Sr magnesium alloys

KW - Microstructure

KW - Sand casting

UR - https://www.scopus.com/pages/publications/84860810277

U2 - 10.4028/www.scientific.net/DDF.326-328.255

DO - 10.4028/www.scientific.net/DDF.326-328.255

M3 - Conference contribution

AN - SCOPUS:84860810277

SN - 9783037854006

VL - 326-328

SP - 255

EP - 260

BT - Diffusion in Solids and Liquids VII

PB - Trans Tech Publications Ltd.

T2 - 7th International Conference on Diffusion in Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials, DSL 2011

Y2 - 26 June 2011 through 30 June 2011

ER -

Kielbus A , Rzychon T , Michalska J, Stopyra M. The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys. W Diffusion in Solids and Liquids VII: Solids and Liquids, Mass Transfer - Heat Transfer - Microstructure and Properties - Nanodiffusion and Nanostructured Materials. Tom 326-328. Trans Tech Publications Ltd. 2012. str. 255-260 doi: 10.4028/www.scientific.net/DDF.326-328.255

The corrosion resistance of the Mg-Al-Ca-Sr sand casting magnesium alloys

Abstrakt

Konferencja

Obszary tematyczne ASJC Scopus

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