Growth Mechanisms of Oxide Scales on Two-phase Co/Ni-base Model Alloys between 800 °C and 900 °C
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This article is published in Journal of The Electrochemical Society.The article was published on 2020-01-22 and is currently open access. It has received 17 citations till now. The article focuses on the topics: Phase (matter) & Oxide.read more
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Effect of Co on oxidation and hot corrosion behavior of two nickel-based superalloys under Na2SO4–NaCl at 900 °C
TL;DR: In this paper, a comparison of the oxidation in air and hot corrosion behaviors under molten 75.% Na2SO4+ 25.%NaCl at 900 °C were systematically investigated.
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Early stages of high-temperature oxidation of Ni- and Co-base model superalloys: A comparative study using rapid thermal annealing and advanced electron microscopy
TL;DR: In this paper, a novel approach based on rapid thermal annealing and advanced electron microscopy is used to elucidate the differences in early stages of high-temperature oxidation of Ni- and Co-base superalloys at 900 °C.
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The effect of systematic variation of Ni:Co ratio on the oxidation behaviour of γ-γ′ Ni-Co-Al-Ti-Cr alloys
TL;DR: In this paper, the effect of Co:Ni ratio on the oxidation performance of γ-γ′ alloys based on the (Ni,Co)75Al5Ti5Cr15 system (at.%) was investigated.
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On the role of Ti aiding the protective barrier layer formation for γ′(L12)-strengthened Co-30Ni-10Al-5Cr-2Ta-2/4Ti superalloys
TL;DR: In this article , the influence of Ti on the oxidation behavior of a new class of low-density L12-strengthened Co-Ni-Al-Ta-Cr-Ti alloys was reported.
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Scaling behavior of four Co-20Ni-xCr-yAl (x = 8,15 wt.%; y = 3,5 wt.%) alloys exposed to 1 atm O2 at 1000 °C and 1100 °C
TL;DR: In this paper, the oxidation of four Co-20Ni-xCr-yAl alloys in 1 atm of pure oxygen was studied at 1000 °C and 1100 °C.
References
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Cobalt-base high-temperature alloys
TL;DR: Cobalt-base superalloys showing a high-temperature strength greater than those of conventional nickel-basesuperalloys are identified and structures offering great promise as candidates for next-generation high-Temperature materials are identified.
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High-temperature strength and deformation of γ/γ′ two-phase Co–Al–W-base alloys
Akane Suzuki,Tresa M. Pollock +1 more
TL;DR: The high-temperature strength and deformation behavior of γ/γ′ two-phase Co-Al-W-base alloys have been studied with polycrystalline and single-crystal materials.
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Passivity and inhibition during the oxidation of metals at elevated temperatures
TL;DR: Typical phenomena of passivity and inhibition during the oxidation of metals and alloys at elevated temperatures are considered in order to stimulate the development of appropriate methods for minimizing corrosion at elevated temperature.
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Microstructure and creep strength of different γ/γ′-strengthened Co-base superalloy variants
TL;DR: In this article, the influence of W, Ta, Ti, Nb, V, Si, Mo, Ir and Cr on the high temperature properties of γ/γ′-strengthened Co-Al-W superalloys was investigated.