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Article
Influence of Dynamic Precipitation of γ′ Phase on Dynamic Strain Aging in a Fe-Ni-Based Superalloy
Discontinuous plastic flow due to dynamic strain aging (DSA) in a Fe-Ni-based superalloy was investigated by tensile tests in the temperature range from 500 ºC to 800 ºC with different γ′ fraction. Type A serr...
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Article
Hot Deformation Behavior and Workability of a New Ni–W–Cr Superalloy for Molten Salt Reactors
The hot deformation behavior of a newly developed Ni–W–Cr superalloy for use in 800 °C molten salt reactors (MSRs) was looked into by isothermal compression tests in the temperature range of 1050–1200 °C with ...
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Article
Revealing the Void Formation Mechanism during Superplastic Deformation of a Fine-Grained Ni–Co-Base Superalloy
The mechanism behind void formation during superplasticity remains a subject of uncertainty. This study presented a novel insight into the void formation in a fine-grained Ni–Co-based superalloy during superpl...
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Article
Tensile Properties and Deformation Mechanisms of Ni–Co–W Based Superalloy with High γ′ Content
The tensile properties and deformation mechanism of a new Ni–Co–W based wrought superalloy at 400–1000 °C were investigated. The results showed that the yield strength below 800 °C is essentially unchanged but...
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Article
Thermal Stability of GH4065A Superalloy Based on Microstructural and Performance Evolution Following Long-Term Aging
This study investigates the thermal stability of a GH4065A superalloy at intermediate temperatures by conducting long-term aging treatments for 100–6000 h at 700–800 °C. Secondary γ′-phase coarsening and inter...
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Article
On Synergistic Effects of Hierarchical γ′ Precipitates and Discontinuous Plastic Flow in a Ni-based Single Crystal Superalloy with an [001] Orientation
A discontinuous plastic flow is detected in a single-crystal superalloy with an [001] orientation during tensile tests over a wide temperature range. Results reveals that the synergistic impact of normal γ′ pr...
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Article
Recrystallization Behavior of the New Ni–Co-Based Superalloy with Fusion Structure Produced by Electron Beam Smelting Layered Solidification Technology
The new Ni–Co-based superalloy featuring a "fusion structure" was produced utilizing electron beam smelting layered solidification technology (EBSL). Experimental examination of hot compression deformation wit...
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Article
Correction to: Effects of Homogenization Treatment on the Microsegregation of a Ni–Co Based Superalloy Produced by Directional Solidification
In the original publication of the article, the Chinese title and author names appeared inadvertently in the Ref. [24].
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Article
Effects of Homogenization Treatment on the Microsegregation of a Ni–Co Based Superalloy Produced by Directional Solidification
To reduce microsegregation, a series of homogenization treatments were carried out on a Ni–Co based superalloy prepared through directional solidification (DS). The element segregation characteristics and micr...
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Article
The Dependence of Portevin–Le Châtelier Effect on the γ′ Precipitates in a Wrought Ni-Base Superalloy
The dependence of Portevin–Le Châtelier (PLC) effect on the γ′ precipitates of the Nimonic 263 alloy in different microstructural conditions has been studied by analyzing the parameters of the tensile curves a...
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Article
Creep Mechanisms of a Ni-Co-Based-Wrought Superalloy with Low Stacking Fault Energy
In order to study the influences of stress and temperature on the creep deformation mechanisms of a newly developed Ni-Co-based superalloy with low stacking fault energy, creep experiments were carried out un...
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Article
Effect of Solution Temperature on the Microstructure and Mechanical Properties of a Newly Developed Superalloy TMW-4M3
The influence of solution temperature on the microstructure and mechanical properties of TMW-4M3 superalloy has been investigated. Comparisons of mechanical properties have also been made between the heat-trea...
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Article
Fatigue crack growth characteristics of a new Ni–Co-base superalloy TMW-4M3: effects of temperature and load ratio
The fatigue crack growth (FCG) behavior of a newly developed Ni–Co-base superalloy TMW-4M3 has been investigated in this study. Experiment was carried out in laboratory air with compact-tension specimen. The e...
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Article
Influence of Co content on stacking fault energy in Ni–Co base disk superalloys
The influence of Co content on stacking fault energy (SFE) of the γ matrix in four Ni–Co base superalloys, including newly developed alloys, has been studied by utilizing high-resolution transmission electron ...
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Article
Ductility of cold-rolled and recrystallized Ni3Al foils
The room-temperature ductility of 95% cold-rolled and recrystallized Ni3Al (Ni–24.0 at.% Al) foils was examined as a function of heat-treatment conditions. The cold-rolled, diffused Goss texture changed to a comp...
