The effect of manufacturing process induced near-surface deformed layer on the corrosion behaviour of AA2198-T851 Al-Cu-Li alloy

Donatus Uyime; de Sousa Araujo Joao Victor; Carvalho Machado Caruline de Souza; Vardhan Mogili Naga Vishnu; Antunes Renato Altobelli; Costa Isolda

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The effect of manufacturing process induced near-surface deformed layer on the corrosion behaviour of AA2198-T851 Al-Cu-Li alloy

机译：制造工艺诱导近表面变形层对AA2198-T851 Al-Cu-Li合金腐蚀行为的影响

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The effect of the near-surface deformed layer on the corrosion behaviour of AA2198-T851 Al-Cu-Li alloy has been investigated using microscopy and electrochemical techniques. This shows that a deformed layer developed by rolling was more active but only exhibited superficial attack compared to a mechanically polished surface, which produced severe localised corrosion associated with the presence of hexagonal T1 particles. The rolled surface became increasingly corrosion resistant with time, but when coupled, galvanically enhanced severe localised corrosion sites developed on the surface over time.

机译：使用显微镜和电化学技术研究了近表面变形层对AA2198-T851 Al-Cu-Li合金腐蚀行为的影响。这表明通过轧制开发的变形层更活跃但仅与机械抛光表面相比表现出浅表攻击，这产生了与六边形T1颗粒存在相关的严重局部腐蚀。随着时间的推移，轧制表面具有越来越耐腐蚀的耐腐蚀性，随着时间的推移，在耦合时，在表面上产生了电流增强的严格局部腐蚀位点。

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来源
《Corrosion Engineering, Science and Technology》 |2019年第4期|共11页
作者
Donatus Uyime; de Sousa Araujo Joao Victor; Carvalho Machado Caruline de Souza; Vardhan Mogili Naga Vishnu; Antunes Renato Altobelli; Costa Isolda;
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作者单位

Inst Pesquisas Energet &

Nucl Av Prof Lineu Prestes 2242 Sao Paulo Brazil;

Inst Pesquisas Energet &

Nucl Av Prof Lineu Prestes 2242 Sao Paulo Brazil;

Inst Pesquisas Energet &

Nucl Av Prof Lineu Prestes 2242 Sao Paulo Brazil;

CNPEM Lab Nacl Nanotecnol LNNano Campinas SP Brazil;

Univ Fed ABC Ctr Engn Modelagem &

Ciencias Sociais Aplicadas C Santo Andre Brazil;

Inst Pesquisas Energet &

Nucl Av Prof Lineu Prestes 2242 Sao Paulo Brazil;

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正文语种 eng
中图分类金属腐蚀与保护、金属表面处理;
关键词
Metals and alloys; surfaces and interfaces; corrosion; microstructure; transmission electron microscopy; scanning electron microscopy;

机译：金属和合金;表面和界面;腐蚀;微观结构;透射电子显微镜;扫描电子显微镜;

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3. The effect of manufacturing process induced near-surface deformed layer on the corrosion behaviour of AA2198-T851 Al-Cu-Li alloy [J] . Donatus Uyime, de Sousa Araujo Joao Victor, Carvalho Machado Caruline de Souza, Corrosion Engineering, Science and Technology . 2019,第3a4期

机译：制造工艺诱导近表面变形层对AA2198-T851 Al-Cu-Li合金腐蚀行为的影响
4. The effect of surface pretreatment on the corrosion behaviour of silanated AA2198-T851 Al-Cu-Li alloy [J] . Donatus Uyime, Klumpp Rafael Emil, Vardan Mogili Naga Vishnu, Surface and Interface Analysis: SIA: An International Journal Devoted to the Development and Application of Techniques for the Analysis of Surfaces, Interfaces and Thin Films . 2019,第2期

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5. Influence of near-surface deformed layers on filiform corrosion of AA3104 aluminium alloy [J] . Liu Y., Hashimoto T., Zhou X., Surface and Interface Analysis: SIA: An International Journal Devoted to the Development and Application of Techniques for the Analysis of Surfaces, Interfaces and Thin Films . 2013,第10期

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7. Influence of equal channel angular extrusion processing on the physical, mechanical, and microstructural properties of Al-Cu-Li base alloys. [D] . Ghoneim Salem, Hanadi. 1997

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机译：晶粒结构对2a97-T3 al-Cu-Li合金腐蚀行为的影响

The effect of manufacturing process induced near-surface deformed layer on the corrosion behaviour of AA2198-T851 Al-Cu-Li alloy

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