Influence of defects on high-temperature oxidation performance of GH3536 superalloys fabricated by laser powder bed fusion
Additive Manufacturing Letters(2022)
摘要
•Microstructure and oxidation behaviour of an LPBF fabricated GH3536 superalloy was investigated.•Oxidation resistance is closely related to defect density while micro-cracks significantly impair the oxidation resistance.•Oxidation resistance can be improved by optimising processing parameters and powder composition.
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关键词
Superalloy,Laser powder bed fusion,Defects,High-temperature oxidation,Electron probe microanalysis,Microstructure
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