Corrosion behaviour and related mechanism of lithium vapour on aluminium nitride ceramic
Autor: | Ming-yong Jia, Wei Zhang, Fei Chen, Bo Wen, Xiao Meng, Hao-zhi Chen, Bao-rang Li |
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Rok vydání: | 2021 |
Předmět: |
Materials science
Scanning electron microscope Aluminium nitride 020209 energy General Chemical Engineering Metallurgy chemistry.chemical_element 02 engineering and technology General Chemistry Yttrium 021001 nanoscience & nanotechnology Corrosion chemistry.chemical_compound chemistry Aluminium visual_art 0202 electrical engineering electronic engineering information engineering visual_art.visual_art_medium General Materials Science Grain boundary Lithium Ceramic 0210 nano-technology |
Zdroj: | Corrosion Science. 178:109058 |
ISSN: | 0010-938X |
DOI: | 10.1016/j.corsci.2020.109058 |
Popis: | The corrosion behaviour and possible failure mechanism of aluminium nitride ceramic in the vapour of lithium have been investigated using X-ray diffraction and scanning electron microscope techniques. The results show that severe cracking along the grain boundary can be observed on the surfaces of aluminium nitride samples. Both lithium- (yttrium, aluminium) compounds and dissolution of aluminium nitride in the aggregated lithium along the grain boundary are believed to contribute to the corrosion failure. Under the same conditions, high purity aluminium nitride and necessary doping technology are expected to show better corrosion resistance. |
Databáze: | OpenAIRE |
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