Non-equilibrium grain-boundary segregation of Bi in binary Ni(Bi) alloy
| Autor: | Guido Schmitz, Meng Ye, Lei Zheng, Mohammed Reda Chellali, Ralf Schlesiger, Dietmar Baither |
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| Rok vydání: | 2013 |
| Předmět: |
Materials science
Mechanical Engineering Metallurgy Alloy Metals and Alloys chemistry.chemical_element Atom probe Intergranular corrosion engineering.material Condensed Matter Physics Nanocrystalline material law.invention Bismuth chemistry Mechanics of Materials law engineering General Materials Science Grain boundary Composite material Ductility Tensile testing |
| Zdroj: | Scripta Materialia. 68:825-828 |
| ISSN: | 1359-6462 |
| DOI: | 10.1016/j.scriptamat.2013.02.002 |
| Popis: | The minimum ductility of Ni(Bi) alloy caused by isothermal annealing at 750 °C or 650 °C is determined through tensile tests at room temperature. Tensile samples with minimum ductility display intergranular facets. Strong grain-boundary segregation of Bi in nanocrystalline Ni–Bi layer is observed by atom probe tomography. The minimum ductility, intergranular facets and grain-boundary segregation of Bi confirm the non-equilibrium grain-boundary segregation of Bi in Ni(Bi) alloy for the first time. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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