Characterization of the reaction products and precipitates at the interface of carbon fiber reinforced magnesium–gadolinium composite
作者： Yaping Wang , Longtao Jiang , Guoqin Chen , Xiu Lin , Shaofeng Zhang
DOI: 10.1016/J.MATCHAR.2015.10.004
关键词:
摘要: Abstract In the present work, carbon fiber reinforced magnesium-gadolinium composite was fabricated by pressure infiltration method. The phase composition, micro-morphology, and crystal structure of reaction products precipitates at interface were investigated. Scanning electron microscopy energy dispersive spectroscopy analysis revealed segregation gadolinium element between matrix alloy. It shown that block-shaped Gd4C5, GdC2 nano-sized Gd2O3 formed during fabrication process due to interfacial reaction. Furthermore, including needle-like Mg5Gd (or Mg24Gd5) thin plate-shaped long period stacking-ordered phase, also observed in near interface. microstructure bonding mode influenced these products, which beneficial for improvement strength.
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