Precipitate phases in normalized and tempered ferritic/martensitic steel P92
作者： Yinzhong Shen , Huan Liu , Zhongxia Shang , Zhiqiang Xu
DOI: 10.1016/J.JNUCMAT.2015.05.043
关键词:
摘要: Abstract Ferritic/martensitic steel P92 is a promising candidate for cladding and duct applications in Sodium-Cooled Fast Reactor. The precipitate phases of the normalized at 1323 K (1050 °C) 30 min tempered 1038 K (765 °C) 1 h have been investigated using transmission electron microscopes. Four types consisting M 23 C 6 , MX, 2 X sigma-FeCr were identified steel. MX consist Nb-rich M(C,N) carbonitride, MC carbide, V-rich MN nitride, complex carbides with core wings. Cr-rich (C,N) carbide N nitride. Sigma-FeCr has simple tetragonal lattice typical chemical formula Fe 0.45 Cr W 0.1 . are dominant phases, while lowest content. formation also discussed.
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