Optimization of the heat treatment of additively manufactured Ni-base superalloy IN718
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Minerals, Metallurgy and Materials"
DOI: 10.1007/s12613-020-1991-6
Abstract: Additive manufacturing (AM) of Ni-base superalloy components can lead to a significant reduction of weight in aerospace applications. AM of IN718 by selective laser melting results in a very fine dendritic microstructure with a high… read more here.
Keywords: heat treatment; phase; treatment; base superalloy ... See more keywords
Effect of fine alumina in improving refractoriness of ceramic shell moulds used for aeronautical grade Ni-base superalloy castings
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.03.197
Abstract: Abstract This paper discusses an improvement in shell refractoriness and dimensional stability of columnar grained (CG) low pressure turbine blade castings made using Ni base superalloy by directional solidification process (DS). Two ceramic shell systems… read more here.
Keywords: shell; fine alumina; base superalloy; shell system ... See more keywords
The investigation of carbides evolution in a cobalt-base superalloy at elevated temperature
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2016.10.256
Abstract: Abstract The carbides evolution characteristics and mechanisms in a cobalt-base superalloy at elevated temperatures between 1140 and 1265 °C have been investigated to provide the basis for potential service and heat treatment of the alloy. The… read more here.
Keywords: carbides evolution; carbide; temperature; base superalloy ... See more keywords
Cyclic stress responses of a newly developed nickel-base superalloy at elevated temperatures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.09.267
Abstract: Abstract Total strain-controlled low cycle fatigue tests were conducted on the newly designed nickel-base superalloy M951G under different testing conditions; the relationship among cyclic stress responses, microstructural degradations, deformation mechanisms and testing conditions has been… read more here.
Keywords: dislocation; cyclic stress; nickel base; strain ... See more keywords
Recrystallization of a single crystal Ni-base superalloy in 〈011〉 and 〈111〉 orientations
Sign Up to like & getrecommendations! Published in 2017 at "Materials Characterization"
DOI: 10.1016/j.matchar.2017.01.020
Abstract: Abstract The recrystallization behavior below the γ′ solvus of a single crystal nickel base superalloy was investigated. Both tension and surface grinding were adopted to introduce the pre-deformation before annealing. The results showed that surface… read more here.
Keywords: recrystallization; recrystallization single; single crystal; base superalloy ... See more keywords
Substructural evolution in a directionally solidified nickel-base superalloy during relaxation fatigue tests at 850 °C
Sign Up to like & getrecommendations! Published in 2018 at "Materials Letters"
DOI: 10.1016/j.matlet.2018.07.124
Abstract: Abstract This paper reports new dislocation configurations responsible for cyclic hardening/softening behaviour of a directionally solidified nickel base superalloy after relaxation fatigue tests at 850 °C with hold durations of 1 and 5 min. Dislocation interactions in… read more here.
Keywords: relaxation fatigue; nickel base; directionally solidified; superalloy relaxation ... See more keywords
Cold deformation mechanism of cobalt-base superalloy GH5605
Sign Up to like & getrecommendations! Published in 2020 at "Materials Letters"
DOI: 10.1016/j.matlet.2020.127533
Abstract: Abstract In present work, the microstructure evolution of cobalt-base superalloy GH5605 before and after cold rolling was investigated and thermo-dynamic calculation was employed to investigate the cold deformation mechanism. The results show that the microstructure… read more here.
Keywords: gh5605; base; base superalloy; cold deformation ... See more keywords
High temperature oxidation performance investigation on the activation energy of a Co-base superalloy oxidized in air
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DOI: 10.1016/j.matlet.2020.128792
Abstract: Abstract This presentation deals with the activation energy of oxidation for a practical Co-base superalloy suitable for turbine blades. The kinetic data of weight gain were measured to get the corresponding rate constants of oxidation… read more here.
Keywords: activation energy; oxidation; air; superalloy ... See more keywords
The effect of stress state on rafting mechanism and cyclic creep behavior of Ni-base superalloy
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics of Materials"
DOI: 10.1016/j.mechmat.2020.103563
Abstract: Abstract A three-stepped specimen of Ni-base superalloy was designed in the paper to conduct cyclic creep tests under different stress levels. The experiment aimed at studying the effect of loading cyclic numbers and the stress… read more here.
Keywords: cyclic creep; state rafting; stress state; base superalloy ... See more keywords
Predicting the microstructural evolution in a multi-layered corrosion resistant coating on a Ni-base superalloy
Sign Up to like & getrecommendations! Published in 2018 at "Materials at High Temperatures"
DOI: 10.1080/09603409.2017.1396650
Abstract: Abstract Protective metallic MCrAlY or diffusion type (NiAl) coatings enhance the oxidation and corrosion resistance of the underlying high temperature materials employed in aeroengines and industrial gas turbines by ensuring the growth of a slowly… read more here.
Keywords: microstructural evolution; coating system; base superalloy; corrosion ... See more keywords
Surface Roughness Based Characterization of Slip Band for Damage Initiation in a Nickel Base Superalloy
Sign Up to like & getrecommendations! Published in 2018 at "Materials Science"
DOI: 10.5755/j01.ms.24.1.17684
Abstract: This work presents a computational protocol, based on a variance analysis integrated with the bootstrap method, to investigate surface damage resulting from localization of plastic deformation in slip bands of a Ni-base superalloy. For assessment… read more here.
Keywords: slip; surface roughness; surface; base superalloy ... See more keywords