Microstructural Evolution of Oxidation Film on a Single Crystal Nickel-Based Superalloy at 980 °C
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DOI: 10.1007/s11085-017-9787-4
Abstract: The isothermal oxidation behavior of a single crystal nickel-based superalloy was investigated at 980 °C through XRD, SEM/EDX and EPMA. The mass gain process exhibited two periods: an initial stage followed by a steady-state stage. Based… read more here.
Keywords: oxidation; crystal nickel; single crystal; oxidation film ... See more keywords
Molecular dynamics simulation of chip formation mechanism in single-crystal nickel nanomachining
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DOI: 10.1007/s11431-019-9520-8
Abstract: Nanometric machining simulations of single-crystal nickel were performed using molecular dynamics. The atomic displacement vector method was applied to study the relationship between defect displacement vectors and the crystal slip system during different deformation stages… read more here.
Keywords: temperature; crystal nickel; molecular dynamics; single crystal ... See more keywords
On the composition of microtwins in a single crystal nickel-based superalloy
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DOI: 10.1016/j.scriptamat.2016.08.029
Abstract: Correlative analysis is performed using atom probe tomography and high resolution transmission Kikuchi diffraction techniques on microtwins of ∼10 nm thickness, in a ⟨011⟩-orientated single crystal superalloy crept at 800 °C and 650 MPa. Composition… read more here.
Keywords: crystal nickel; single crystal; composition microtwins; composition ... See more keywords
In-situ neutron diffraction during stress relaxation of a single crystal nickel-base superalloy
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DOI: 10.1016/j.scriptamat.2017.01.002
Abstract: Abstract The stress relaxation behaviour of a single crystal nickel-base superalloy has been quantified using time-of-flight neutron diffraction analysis for a range of temperatures relevant to casting. A new iterative analysis methodology is described to… read more here.
Keywords: nickel base; stress relaxation; relaxation; crystal nickel ... See more keywords