Stress Corrosion Testing of CMSX-4, CM247LC DS and IN6203DS Ni-Base Superalloys
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DOI: 10.1007/s11085-020-10011-w
Abstract: The combination of stress and hot corrosion may result in Ni-base superalloys experiencing stress corrosion cracking, of which, the mechanisms are little understood. The aim of this research was to enhance the understanding by performing… read more here.
Keywords: cm247lc in6203ds; base superalloys; stress corrosion; cmsx cm247lc ... See more keywords
Measurement of Strain Localization Resulting from Monotonic and Cyclic Loading at 650 ∘C in Nickel Base Superalloys
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DOI: 10.1007/s11340-017-0286-y
Abstract: A methodology is presented for the use of the oxide scale that develops in polycrystalline Ni-base superalloys at service temperature, as a speckle pattern for μm-scale resolution strain measurements. Quantitative assessment of the heterogeneous strain… read more here.
Keywords: strain; strain localization; base superalloys; monotonic cyclic ... See more keywords
Oxidation Behavior of (W, Re)-Bearing Single Crystal Nickel-Base Superalloys
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DOI: 10.1007/s12540-020-00616-w
Abstract: Abstract Four kinds of single-crystal Ni-base superalloys (12Ta–7.5Cr–5Co–4.8Al–1.9Mo–1Ti, balance Ni in wt%) containing (0–3) wt%W and (1–4) wt%Re were cast, and oxidized at 1000 °C for up to 275 h in air. In the as-cast condition, the… read more here.
Keywords: oxidation; single crystal; base superalloys; oxidation behavior ... See more keywords
Controlling the grain boundary morphology and secondary γ′ precipitate size distribution in Ni-base superalloys
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DOI: 10.1016/j.jallcom.2018.10.031
Abstract: Abstract The size, morphology and fraction of each of the γ′ precipitate populations in polycrystalline γ- γ′ nickel-base superalloys are highly sensitive to the cooling rate from the solution temperature. As a result, thermal processing… read more here.
Keywords: grain boundary; cooling rate; base superalloys; temperature ... See more keywords
Effects of Al content on microstructures and high-temperature tensile properties of two newly designed CoNi-base superalloys
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DOI: 10.1016/j.jallcom.2020.155337
Abstract: Abstract CoNi-base superalloys have recently attracted intensive research interests due to their wider γ/γ′ domains and higher γ′ solvus temperatures compared to Ni-free Co-base superalloys. In this work, two CoNi-base superalloys with Al content of… read more here.
Keywords: temperature tensile; high temperature; base superalloys; coni base ... See more keywords