Effects of Zr Addition on Precipitation and Stability of Fe2Nb Laves and Ni3Nb Phases in Novel Fe–Cr–Ni–Nb Austenitic Heat-resistant Steels

Effects of Zr Addition on Precipitation and Stability of Fe2Nb Laves and Ni3Nb Phases in Novel Fe–Cr–Ni–Nb Austenitic Heat-resistant Steels

Effects of Zr addition on the microstructure formation of two intermetallic phases of Fe2Nb Laves (TCP) and Ni3Nb (GCP) in a carbon-free Fe-20Cr-35Ni-2.5Nb (at.%) novel austenitic heat-resistant steel at elevated temperatures were examined from the viewpoints of thermodynamics and kinetics. From a t...

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Bibliographic Details
Main Authors: Kobayashi, S. (Author), Nakashima, H. (Author), Oh, S. (Author), Takeyama, M. (Author), Yamagata, R. (Author)
Format: Article
Language:English
Published: Iron and Steel Institute of Japan 2022
Subjects:
Austenite
austenitic heat-resistant steels
Austenitic heat-resistant steels
Austenitic stainless steel
Binary alloys
Chromium alloys
Dissolution
Grain boundaries
Grain-boundaries
grain-boundary Fe2Nb Laves phase
Grain-boundary fe2nb laves phase
Intermetallic-phases
Intermetallics
Laves phasis
Laves-phase
Microstructure
Morphology
Ni3Nb
Niobium alloys
Nucleation
phase equilibria
Phase equilibria
Phase equilibriums
phase transformation
Phases transformation
Precipitation morphologies
precipitation morphology
solubility
Solubility
Temperature
Zirconium
Zr addition
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