Corrosion

Gialanella, Stefano; Malandruccolo, Alessio

doi:10.1007/978-3-030-24440-8_8

Cited by 3 publications

(1 citation statement)

References 60 publications

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“…Oxidation and hot corrosion are typical causes of environmental damage. High‐temperature hot corrosion (HTHC) has a maximum corrosion rate around 850°C, a temperature that is compatible with the presence of a molten salt deposit on the corroding alloy surface 39 . The salt volatilizes when the temperature rises to 980°C, and the oxidation reaction becomes more violent.…”

Section: Model Validationmentioning

confidence: 99%

Damage evolution and life modeling of hot corrosion environment on creep‐fatigue of a directionally solidified nickel‐based superalloy

Zhao

et al. 2023

Fatigue Fract Eng Mat Struct

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This study developed a corrosion‐creep fatigue‐life‐prediction methodology based on continuous‐damage mechanics (CDM). A systematic investigation of the turbine‐blade material DZ125 (a nickel‐based superalloy) was conducted, including oxidation and high‐temperature hot corrosion‐creep fatigue tests. Pre‐exposure experiments explained the damage process in DZ125. The applicability of the CDM‐based life‐prediction model of DZ125 was verified experimentally and by comparison with corresponding data from published studies. The model exhibited excellent life‐prediction ability for gas‐turbine hot‐section components vulnerable to cyclic loads and hot corrosion combined.

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Section: Model Validationmentioning

confidence: 99%

Damage evolution and life modeling of hot corrosion environment on creep‐fatigue of a directionally solidified nickel‐based superalloy

Zhao

et al. 2023

Fatigue Fract Eng Mat Struct

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Recycling Ti1.0Nb0.3Ta0.07Zr0.05 Conventional Alloys: Production of Non-equimolar TiZrCrNb0.3Ta0.07 Medium Entropy Alloys with the Addition of Cr for Improved In Vitro Corrosion Resistance

Guler,

Say,

Dikici

et al. 2023

J. of Materi Eng and Perform

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How solute atoms control aqueous corrosion of Al-alloys

Zhao,

Yin,

et al. 2024

Nat Commun

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Aluminum alloys play an important role in circular metallurgy due to their good recyclability and 95% energy gain when made from scrap. Their low density and high strength translate linearly to lower greenhouse gas emissions in transportation, and their excellent corrosion resistance enhances product longevity. The durability of Al alloys stems from the dense barrier oxide film strongly bonded to the surface, preventing further degradation. However, despite decades of research, the individual elemental reactions and their influence on the nanoscale characteristics of the oxide film during corrosion in multicomponent Al alloys remain unresolved questions. Here, we build up a direct correlation between the near-atomistic picture of the corrosion oxide film and the solute reactivity in the aqueous corrosion of a high-strength Al-Zn-Mg-Cu alloy. We reveal the formation of nanocrystalline Al oxide and highlight the solute partitioning between the oxide and the matrix and segregation to the internal interface. The sharp decrease in partitioning content of Mg in the peak-aged alloy emphasizes the impact of heat treatment on the oxide stability and corrosion kinetics. Through H isotopic labelling with deuterium, we provide direct evidence that the oxide acts as a trap for this element, pointing at the essential role of the Al oxide might act as a kinetic barrier in preventing H embrittlement. Our findings advance the mechanistic understanding of further improving the stability of Al oxide, guiding the design of corrosion-resistant alloys for potential applications.

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Corrosion

Cited by 3 publications

References 60 publications

Damage evolution and life modeling of hot corrosion environment on creep‐fatigue of a directionally solidified nickel‐based superalloy

Damage evolution and life modeling of hot corrosion environment on creep‐fatigue of a directionally solidified nickel‐based superalloy

Recycling Ti1.0Nb0.3Ta0.07Zr0.05 Conventional Alloys: Production of Non-equimolar TiZrCrNb0.3Ta0.07 Medium Entropy Alloys with the Addition of Cr for Improved In Vitro Corrosion Resistance

How solute atoms control aqueous corrosion of Al-alloys

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