Search Results - "superalloy"

Flow characteristics and intrinsic workability of IN718 superalloy by Chen, Fei, Liu, Juan, Ou, Hengan, Lu, Bin, Cui, Zhenshan, Long, Hui

“…This study focuses on deformation characteristics of superalloy IN718 by formulation of a new flowstress model and detailed evaluation of intrinsic workability through the generation of three-dimensional (3D) processing maps with the support of optical microstructural observations. …”
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Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys by Catchpole-Smith, S., Aboulkhair, N., Parry, L., Tuck, C., Ashcroft, Ian, Clare, A.

“…The high thermal gradients experienced during manufacture via selective laser melting commonly result in cracking of high γ/γ′ Nickel based superalloys. Such defects cannot be tolerated in applications where component integrity is of paramount importance. …”
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Modelling the coefficient of thermal expansion in Ni-based superalloys and bond coatings by Karunaratne, M.S.A., Kyaw, Si Thu, Jones, Arthur, Morrell, Roger, Thomson, Rachel C.

“…The coefficient of thermal expansion (CTE) of nickel-based superalloys and bond coat layers was modelled by considering contributions from their constituent phases. …”
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On the influence of gamma prime upon machining of advanced nickel based superalloy by Liao, Zhirong, Axinte, Dragos, Mieszala, Maxime, M’Saoubi, Rachid, Abelhafeez, Ali, Michler, Johann, Hardy, Mark

“…Whilst gamma prime (γ’) phase is the strengthening phase in Ni-based superalloys its influence on machining has been seldom investigated. …”
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Staged thermomechanical testing of nickel superalloys produced by selective laser melting by Xu, Zhengkai, Hyde, Christopher J., Thompson, Adam, Leach, Richard K., Maskery, Ian, Tuck, Christopher, Clare, Adam T.

Subjects: “…Creep; Two-bar specimen; X-ray computed tomography; Selective laser melting; Mechanical testing; Nickel superalloys…”
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Investigation of surface integrity in laser-assisted machining of nickel based superalloy by Xu, Dongdong, Liao, Zhirong, Axinte, Dragos, Sarasua, Jon Ander, M'Saoubi, Rachid, Wretland, Anders

“…While laser-assisted machining can significantly improve the machinability of nickel-based superalloy, the mechanism of surface integrity evolution and its influence on the material functional performance is still not clear. …”
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Spatter and powder evolution in laser powder bed fusion of Nickel-based superalloys by Gasper, Alexander

Subjects: “…Additive manufacturing; laser powder bed fusion; SLM; nickel superalloys; Inconel 718; recyclability…”
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Experimental study on surface integrity in end milling of hastelloy c-2000 superalloy by Norhaida, Ab Razak, Md Mustafizur, Rahman, Kadirgama, Kumaran

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Experiment study on surface integrity in end milling of hastelloy C-2000 superalloy by Norhaida, Ab Razak, Rahman, Md Mustafizur, Kadirgama, Kumaran

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Dislocation reactions dominated pop-in events in nanoindentation of Ni-based single crystal superalloys by Zhang, Z., Cai, W., Feng, Y., Duan, G., Wang, J., Wang, J., Yang, R., Xiao, P., Ke, F., Lu, Chunsheng

“…The findings can provide new insights into a deep understanding of the pop-in events in Ni-based single crystal superalloys and benefit their wide applications in the aerospace industry.…”
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Microstructural evolution and high strain rate mechanical property of cobalt superalloy contain titanium by Tao, Hsing Chen, Ting, You Chen

“…The high strain rate properties and microstructure observations of cobalt base superalloyd contains 0.9% Ti were investigated using Hopkinson bar. These cobalt base superalloys are tested at strain rates of 2×103, 3×103 and 4×103 s-1 and at different temperatures (25, 500 and 900°C), respectively. …”
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Residual stresses in environmental and thermal barrier coatings on curved superalloy substrates: experimental measurements and modelling by Liu, D., Kyaw, S.T., Flewitt, P.E.J., Seraffon, M., Simms, N.J., Pavier, M., Jones, I.A.

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Mesoscale modeling and simulation of microstructure evolution during dynamic recrystallization of a Ni-based superalloy by Chen, Fei, Cui, Zhenshan, Ou, Hengan, Long, Hui

“…Microstructural evolution and plastic flow characteristics of a Ni-based superalloy were investigated using a simulative model that couples the basic metallurgical principle of dynamic recrystallization (DRX) with the twodimensional (2D) cellular automaton (CA). …”
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Study on heat input for superalloy welding by using FEA simulation and experimental verification / Gege Nurfaizee Fadzil. by Fadzil, Gege Nurfaizee

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Understanding the evolution of superalloy microstructure during inertia friction welding using in-situ x-ray diffraction and cellular automata by Rowson, Matthew

“…The technique has been applied for a steel and a nickel-based superalloy, assessing the evolution of microstructure which occurs for these materials. …”
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Interaction between the edge dislocation dipole pair and interfacial misfit dislocation network in Ni-based single crystal superalloys by Zhang, Z., Fu, Q., Wang, J., Yang, R., Xiao, P., Ke, F., Lu, Chunsheng

Subjects: “…Ni-based single crystal superalloys…”
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Atomistic modeling for the extremely low and high temperature-dependent yield strength in a Ni-based single crystal superalloy by Zhang, Z., Fu, Q., Wang, J., Yang, R., Xiao, P., Ke, F., Lu, Chunsheng

“…Understanding the temperature-dependent yield strength of Ni-based single crystal superalloys is of great significance for their microstructural design and engineering applications. …”
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Improved welding refurbishment procedure for superalloys gas turbine using fea with experimental verification / Mohd Sarizal Abu Bakar by Abu Bakar, Mohd Sarizal

“…This study presents Finite Element Anaysis application to improve process in Superalloys gas turbine components welding refurbishment. …”
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The influence of coolant on tool deterioration of uncoated carbide tools in endmilling hardened inconel 718plus nickel based superalloy by Nurul Hidayah, Razak

“…As a result of limited knowledge addressing the role of coolant in enhancing the life of the cutting tool, this research intends to investigate the influence of coolant on tool deterioration of a hardened nickel-based superalloy. Milling experiments were conducted a hardened state of Inconel 718Plus nickel-based superalloy with uncoated carbide tools in dry and wet conditions. …”
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Cutting Force And Chip Formation In End Milling Operation When Machining Nickel-Based Superalloy, Hastelloy C-2000 by N. H., Razak, M. M., Rahman, K., Kadirgama

“…This paper presents an experimental study of the cutting force and chip formation in the end milling of the nickel-based superalloy, Hastelloy C-2000. The experiment was conducted using two different cutting inserts under wet conditions – namely physical vapor deposition coated with TiAlN, and uncoated carbide. …”
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