Thermal parameters determination of Co–Al–W as-cast alloy homogenization by DTA analysis
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-018-7431-4
Abstract: The γ–γ′ Co-based superalloys are newly developed class of refractory alloys which may replace commercial Ni-based superalloys owing to their favorable properties at high temperature. In case of new Co-based superalloys, the heat treatment aims… read more here.
Keywords: heat treatment; analysis; based superalloys; dta ... See more keywords
Surface Condition of New γ–γ′ Co-Al-Mo-Nb and Co-Al-W Cobalt-Based Superalloys After Oxidation at 800 °C
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-018-3127-y
Abstract: A new type γ–γ′ Co-Al-Mo-Nb Co-based superalloys were developed due to limitations of basic Co-Al-W superalloys, related to tungsten alloying. The present study aims to characterization of new γ–γ′ Co-10Al-5Mo-2Nb (at.%) cobalt-based superalloy performance in… read more here.
Keywords: cobalt based; based superalloys; surface condition;
Cutting performance and wear mechanism of honeycomb ceramic tools in interrupted cutting of nickel-based superalloys
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.03.123
Abstract: Abstract Nickel-based superalloys are favored because of high fatigue strength, corrosion resistance and oxidation resistance. However, the characteristics of high hardness, poor heat dissipation and sticking make the machinability of nickel-based superalloys poor, which is… read more here.
Keywords: mechanism honeycomb; based superalloys; ceramic tools; nickel based ... See more keywords
Thermal behavior and microstructural evolution of additively manufactured Ni-based superalloys via multi-scale simulation
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DOI: 10.1016/j.ijleo.2021.167456
Abstract: Abstract The Ni-based superalloy is one of the important high temperature structural materials used for the modern aero engines and gas turbines. In order to improve the mechanical properties of additively manufactured Ni-based superalloys, deeply… read more here.
Keywords: manufactured based; additively manufactured; thermal behavior; microstructural evolution ... See more keywords
The effect of void defect on the evolution mechanisms of dislocations and mechanical properties in nickel-based superalloys by molecular dynamics simulation of real γ/γ′ structures
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2020.01.004
Abstract: Abstract It is acknowledged that voids are unavoidable manufacture defects influencing the microstructure evolution and mechanical properties of nickel-based superalloys. The present work investigates the influences of void on the dislocation evolution and mechanical properties… read more here.
Keywords: based superalloys; evolution; dislocation; properties nickel ... See more keywords
Comparative study of the hot processing behavior in advanced Ni-based superalloys for use in A-USC applications
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.152907
Abstract: Abstract Three Ni-based superalloys, Haynes 214, Haynes 230 and Inconel 740H, have been analyzed for their mechanical behavior under conventional industrial hot-processing conditions. These and other comparable alloys are expected to be used in sCO2… read more here.
Keywords: based superalloys; processing; hot processing; study hot ... See more keywords
Effect of Re on mechanical properties of single crystal Ni-based superalloys: Insights from first-principle and molecular dynamics
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.158643
Abstract: Abstract Re is one of the newly added key elements of single crystal Ni-based superalloys for advanced aero-engine turbine blades. The mechanisms that how Re influences the mechanical behavior of single crystal Ni-based superalloys are… read more here.
Keywords: single crystal; first principle; crystal based; based superalloys ... See more keywords
A quantifiable and automated volume fraction characterization technique for secondary and tertiary γ′ precipitates in Ni-based superalloys
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DOI: 10.1016/j.matchar.2018.03.051
Abstract: Abstract Ni-based superalloys are extensively used in high temperature, high stress applications. The presence of coherent γ′-Ni3Al precipitates provides the requisite elevated temperature strength and creep resistance in these alloys. Therefore, quantification of the precipitate… read more here.
Keywords: based superalloys; volume; volume fraction; fraction characterization ... See more keywords
Segregation behavior of alloying elements at Ni Σ5 [001](210) symmetrical tilt grain boundary in nickel-based superalloys and their stabilization and strengthening mechanisms for the grain boundary
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DOI: 10.1016/j.matchemphys.2020.123977
Abstract: Abstract To reduce or even eliminate the negative effects of grain boundaries (GBs) in nickel-based superalloys, the GB-segregation behaviors of 14 main alloying elements X of superalloys and their effects on the stability and fracture… read more here.
Keywords: grain boundary; based superalloys; 001 210; alloying elements ... See more keywords
Formation of nanograins in Ni-Co based superalloys compressed quasistatically at high temperature
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DOI: 10.1016/j.scriptamat.2017.04.008
Abstract: Abstract In this study, the performance of hot compressive deformation was investigated in two newly developed Ni-Co based superalloys having different stacking fault energy (SFE). It is interesting to discover that nanograins (NGs) can be… read more here.
Keywords: based superalloys; temperature; formation nanograins; high temperature ... See more keywords
Fretting wear behavior of cobalt - Based superalloys at high temperature – A comparative study
Sign Up to like & getrecommendations! Published in 2020 at "Tribology International"
DOI: 10.1016/j.triboint.2019.106155
Abstract: Abstract Superalloys are extensively used in the design of combustor components of aero engines because they can withstand high temperature oxidizing environments, while maintaining their strength. This investigation aims at assessing the tribological characteristic of… read more here.
Keywords: cobalt based; based superalloys; temperature; cobalt ... See more keywords