Molecular Dynamics Analysis as Compared with Experimental Results of Micromachining
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Cited by (109)
Nanometric cutting: Mechanisms, practices and future perspectives
2022, International Journal of Machine Tools and ManufactureThe state of the art for numerical simulations of the effect of the microstructure and its evolution in the metal-cutting processes
2022, International Journal of Machine Tools and ManufactureComputational investigation on the surface cutting of γ-TiAl alloy
2022, Solid State CommunicationsCitation Excerpt :For surface cutting, the key challenge origins from local deformation, temperature and operation-introduced strain, which are relevant to each other and can hardly be separated directly through experimental setting. While molecular dynamics (MD) simulation, as an effective computational technology, is well known for its outstanding capacity to track atom positions and kinetic energy, based on which macroscopic observability (deformation, temperature, strain) can be derived, generating a series of microscopic images to determine the optimal operating conditions [7,8]. For instance, Su et al. found that nano-machined surfaces are accompanied by the generation and disappearance of a series of dislocations under the action of the force between tool and workpiece atoms [9].
Nanomechanical scratching induced local shear deformation and microstructural evolution in single crystal copper
2021, Applied Surface ScienceCitation Excerpt :The earliest studies on shear deformation at the nanoscale were mainly theoretical or simulation based, focusing on the size-effect in machining [15,16]. Experimental studies with microtome or ultraprecision diamond tools mostly deal with the process mechanics and the surface integrity [17–19]. Ultraprecision machining of both single crystal and polycrystalline copper with nanoscale depth of cuts enabled the measurement of cutting forces, specific energies, surface roughness and depth of the deformed surface layers [18,20,21].
Study on the crack formation mechanism in nano-cutting of gallium arsenide
2021, Applied Surface Science