Localized corrosion induced surface modifications of Al-Cu-Li alloy studied by ToF-SIMS 3D imaging
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作者:
Meicheng Li
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机构:Chimie ParisTech - CNRS,
Meicheng Li
Antoine Seyeux
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机构:Chimie ParisTech - CNRS,
Antoine Seyeux
Frédéric Wiame
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机构:Chimie ParisTech - CNRS,
Frédéric Wiame
Philippe Marcus
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机构:Chimie ParisTech - CNRS,
Philippe Marcus
Jolanta Światowska
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机构:Chimie ParisTech - CNRS,
Jolanta Światowska
机构:
[1] Chimie ParisTech - CNRS,
[2] PSL University,undefined
[3] Institut de Recherche de Chimie Paris,undefined
来源:
npj Materials Degradation
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摘要:
Three-dimensional (3D) time-of-flight secondary ion mass spectrometry (ToF-SIMS) imaging is a promising tool in the analysis of surface modifications of alloy matrix and intermetallic particles induced by localized corrosion due to its good spatial resolution and very high sensitivity to chemical identification especially involving light mass elements like Li. In this paper, ToF-SIMS 3D chemical mapping combined with scanning electron microscopy was performed to study the localized corrosion of Al-Cu-Li alloy (AA2050-T8) in a region around an Al-Cu-Fe-Mn intermetallic particles (IMPs) in 0. 1 M NaCl solution. Initiation of corrosion was locally observed on the IMPs and between IMPs and matrix substrate. Moreover, a modified oxide/hydroxide layer was observed over IMPs compared to the matrix. This new corrosion layer was enriched with chlorides and Cu hydroxides. ToF-SIMS 3D imaging revealed that Li was present over the alloy matrix, while no Li was present over the IMPs in regions where localized corrosion occurred.
机构:
Univ Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, FranceUniv Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, France
Van Nuffel, Sebastiaan
Elie, Nicolas
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Univ Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, FranceUniv Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, France
Elie, Nicolas
Yang, Ethan
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Univ Montreal, Dept Chem, Montreal, PQ H3T 1J4, CanadaUniv Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, France
Yang, Ethan
Nouet, Julius
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Univ Paris 11, CNRS, UMR GEOPS Geosci Paris Sud 8148, F-91405 Orsay, FranceUniv Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, France
Nouet, Julius
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Touboul, David
Chaurand, Pierre
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机构:
Univ Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, France
Univ Montreal, Dept Chem, Montreal, PQ H3T 1J4, CanadaUniv Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, France
Chaurand, Pierre
Brunelle, Alain
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Univ Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, FranceUniv Paris Saclay, Univ Paris Sud, CNRS UPR 2301, Inst Chim Subst Nat, F-91190 Gif Sur Yvette, France
机构:
IPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil
Barboza, Wanessa das Gracas
Milagre, Mariana Xavier
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IPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil
Milagre, Mariana Xavier
Donatus, Uyime
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IPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil
Donatus, Uyime
Carvalho Machado, Caruline de Souza
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Univ Sao Paulo, Dept Engn Met & Mat, PMT USP Sao Paulo, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil
Carvalho Machado, Caruline de Souza
Prada Ramirez, Oscar Mauricio
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Univ Sao Paulo, Dept Engn Met & Mat, PMT USP Sao Paulo, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil
Prada Ramirez, Oscar Mauricio
de Sousa Araujo, Joao Victor
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IPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil
de Sousa Araujo, Joao Victor
Pereira da Silva, Rejane Maria
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IPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil
Pereira da Silva, Rejane Maria
Costa, Isolda
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IPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, BrazilIPEN CNEN, Inst Pesquisas Energet & Nucl, Ctr Ciencia & Tecnol Mat, Sao Paulo, Brazil