Physical properties and microstructures of Fe3Al matrix laser amorphous–nanocrystals reinforced coating
作者： Jia-Ning Li , Shui-Li Gong , Hao Liu , Huai-Xue Li
DOI: 10.1016/J.MATLET.2012.10.085
关键词:
摘要: Abstract An amorphous–nanocrystals reinforced coating was fabricated on the important aeronautical material TA2 alloy by laser cladding of Fe 3 Al–B 4 C–TiN mixed powders. The TiB 2 nanocrystals were produced through in situ metallurgical reactions, which blocked motion dislocation, and also refined microstructure coating. productions amorphous/nanocrystalline phases due to action sufficiently rapid heating cooling technique, a number elements with short atomic radius. Ti components have negative enthalpies mixing, so usually, free energy amorphous lower than that these two crystalline mixture, leading formation alloy.
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