Influence of Cu Addition and Microstructural Configuration on the Creep Resistance and Mechanical Properties of an Fe‐Based α/α′/α″ Superalloy
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DOI: 10.1002/adem.202201652
Abstract: Introducing Cu nanoparticles is an effective mechanism for strengthening and toughening Fe‐based materials such as ultra‐high‐strength steels. Herein, the effect of Cu on the mechanical properties of a novel Fe‐based α/α′/α″ superalloy is studied. Compared… read more here.
Keywords: configuration; influence addition; creep; based superalloy ... See more keywords
Fatigue of Surface-Treated Nickel-Based Superalloy at High Temperature
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-019-04468-3
Abstract: Nickel-based superalloy IN718 specimens were subjected to two surface treatments, namely shot peening (SP) and deep cold rolling (DCR) to investigate the effects of surface integrity (in particular residual stresses and cold work) on fatigue… read more here.
Keywords: nickel based; fatigue; surface; based superalloy ... See more keywords
Planar Front Growth of Single Crystal Ni-Based Superalloy René N515
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DOI: 10.1007/s11837-020-04091-x
Abstract: A Ni-based superalloy, René N515, was fabricated by the levitation zone melting process to produce planar front single crystal growth. Microstructure, alloy composition, and microhardness properties of the as-zone melted and solution heat treated alloy… read more here.
Keywords: planar front; ren n515; based superalloy; superalloy ren ... See more keywords
Research progress on selective laser melting processing for nickel-based superalloy
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Minerals, Metallurgy and Materials"
DOI: 10.1007/s12613-021-2331-1
Abstract: Selective laser melting (SLM), an additive manufacturing process mostly applied in the metal material field, can fabricate complex-shaped metal objects with high precision. Nickel-based superalloy exhibits excellent mechanical properties at elevated temperatures and plays an… read more here.
Keywords: based superalloy; nickel based; laser melting; selective laser ... See more keywords
Role of carbon in modifying solidification and microstructure of a Ni-based superalloy with high Al and Ti contents
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Iron and Steel Research International"
DOI: 10.1007/s42243-020-00408-x
Abstract: The effect of carbon ranging from 0.014 to 0.071 wt.% on the solidification and microstructure of a Ni-based superalloy with high Al and Ti contents was studied. The results show that the increase in carbon… read more here.
Keywords: carbon; microstructure based; precipitation; solidification ... See more keywords
Lattice strain evolution and load partitioning during creep of a Ni-based superalloy single crystal with rafted γ′ microstructure
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DOI: 10.1016/j.actamat.2017.06.021
Abstract: Abstract In-situ neutron diffraction measurements were performed on monocrystalline samples of the Ni-based superalloy CMSX-4 during N-type γ′ raft formation under the tensile creep conditions of 1150 °C/100 MPa, and subsequently on a rafted sample under the… read more here.
Keywords: based superalloy; strain; creep; load ... See more keywords
Diffusion processes during creep at intermediate temperatures in a Ni-based superalloy
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DOI: 10.1016/j.actamat.2017.09.027
Abstract: Abstract The local compositional changes associated with stacking fault and microtwin formation during creep at intermediate temperatures in a commercial Ni-base disk superalloy are explored. In order to investigate microtwin formation, an [001] single crystal… read more here.
Keywords: intermediate temperatures; creep intermediate; processes creep; based superalloy ... See more keywords
Combined strengthening from nanotwins and nanoprecipitates in an iron-based superalloy
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DOI: 10.1016/j.actamat.2018.04.001
Abstract: Abstract A bulk nanostructured solutionized iron-based superalloy consisting of nanotwins and dislocation structures was prepared by means of dynamic plastic deformation at a high strain rate. The nanotwins constitute ∼51% in volume with the average… read more here.
Keywords: combined strengthening; iron based; based superalloy; strengthening nanotwins ... See more keywords
Diffusion kinetics of transient liquid phase bonding of Ni-based superalloy with Ni nanoparticles: A molecular dynamics perspective
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DOI: 10.1016/j.commatsci.2018.05.056
Abstract: Abstract Transient liquid phase (TLP) bonding has been broadly utilized to join and repair Ni-based superalloy components; however, the understanding of its diffusion kinetics is still in infancy due to challenges in in situ experimental… read more here.
Keywords: transient liquid; diffusion; liquid phase; based superalloy ... See more keywords
Investigations of hot corrosion resistance of HVOF coated Fe based superalloy A-286 in simulated gas turbine environment
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DOI: 10.1016/j.engfailanal.2019.104224
Abstract: Abstract The main aim of the present work is to investigate the high-temperature corrosion behavior of bare, high-velocity oxy-fuel coated on iron-based superalloy A-286. Ni-20%Cr and Cr3C2-25%NiCr powders are deposited on the Fe based superalloy… read more here.
Keywords: hot corrosion; superalloy 286; hvof coated; corrosion ... See more keywords
A quantitative role of rafting on low cycle fatigue behaviour of a directionally solidified Ni-based superalloy through a cross-correlated image processing method
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2019.105305
Abstract: Abstract Operating under elevated temperature and high stress for long terms, the regularly cubic γ ' precipitates of the Ni-based superalloy degrades to plate-like morphology perpendicular to the external stress. This process is called rafting… read more here.
Keywords: rafting low; fatigue; superalloy; cycle fatigue ... See more keywords