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Metals and Alloys
Metals and Alloys
Metallic materials and their properties, including alloy design, metallurgy, corrosion, metal processing, high-entropy alloys, and advanced metallic materials for structural applications
5 papers in this specialization
Paperzilla Papers in Metals and Alloys
A generalised, multi-phase-field theory for dissolution-driven stress corrosion cracking and hydrogen embrittlement
This paper introduces a new multi-phase-field theory to model stress corrosion cracking (SCC), combining hydrogen embrittlement and material dissolution effects. It successfully predicts SCC behavior across various environments and loading conditions, showing how pits and other defects can accelerate corrosion, and how initially dissolution-driven cracks can become hydrogen-dominated over time.
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2205.12096.pdf
Jul 14, 05:24 PM
Chemical heterogeneity enhances hydrogen resistance in high-strength steels
This study demonstrates that introducing manganese-rich zones within the microstructure of high-strength steel can significantly improve its resistance to hydrogen embrittlement. These zones act as buffers, arresting hydrogen-induced microcracks and preventing catastrophic failure without compromising strength or ductility.
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s41563-021-01050-y.pdf
Jul 14, 11:22 AM
Parent grain reconstruction from partially or fully transformed microstructures in MTEX
This paper introduces a new framework in MTEX for reconstructing parent grain microstructures from transformed child microstructures. The framework handles various crystal symmetry combinations and allows for custom workflows, demonstrating successful reconstructions in steel and titanium alloys, but struggles with accurate annealing twin identification in some cases.
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nb5309.pdf
Jul 14, 11:22 AM
Hydrogen trapping and embrittlement in high-strength Al alloys
Hydrogen embrittlement in high-strength aluminum alloys is influenced by the trapping of hydrogen at grain boundaries and second-phase particles. The co-segregation of magnesium and hydrogen at grain boundaries weakens them, while hydrogen trapping in second-phase particles can mitigate embrittlement by removing hydrogen from the matrix.
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s41586-021-04343-z.pdf
Jul 14, 11:22 AM
Enhanced corrosion resistance by engineering crystallography on metals
By zapping metal with electricity, researchers made a bumpy surface of tough {111} planes that laugh at acid and chloride. This atomic-level makeover drastically boosted corrosion resistance in a fancy alloy and regular stainless steel, potentially paving the way for tougher, rust-proof materials.
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s41467-022-28368-8.pdf
Jul 14, 11:22 AM
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