Zobrazeno 1 - 10
of 52
pro vyhledávání: '"V. D. Dubrov"'
Publikováno v:
Journal of Physics: Conference Series. 2443:012003
The results of combined using of laser metal deposition technology with layer-by-layer laser heat treatment technology are presented and the experimental setup is described to unite the laser metal deposition technology with layer-by-layer laser reme
The features of controlling the parameters of the laser metal deposition process (LMD) by the optical signal are considered. It is shown that to control and manage the process, it is necessary to use the principles of adaptive regulation. A review of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::248377f44ab13d8ffc0d341a2b40fc4b
Publikováno v:
Journal of Physics: Conference Series. 2199:012001
The effect of laser beam focusing parameters on the bead shape in laser metal deposition technology (LMD) is under consideration. The cross-sections of beads formed at different distances between the focus position and the base surface at the plane o
Publikováno v:
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. 12:54-63
Heat-transfer- and thermocapillary-convection macroprocesses observed during direct laser metal deposition (DLMD) with coaxial powder injection are examined. The study is performed using the 3D mathematical model incorporating self-consistent equatio
Autor:
P S Rodin, V D Dubrov
Publikováno v:
Journal of Physics: Conference Series. 2144:012001
The control of the track shape in laser metal deposition technology by the QCW laser mode has been studied. The different geometric characteristics of the tracks are shown to obtain at the same average laser power, depending on the selected laser pow
Publikováno v:
Technical Physics Letters. 43:627-630
The results of application of optical diagnostics in the estimation of the temperature field at the melt surface in layer-by-layer laser alloying of metal powder are presented. It is demonstrated that surface concavity induced by the thermocapillary
Publikováno v:
Procedia Engineering. 201:478-488
A mathematical model of the processes taking place in laser melting with injection of metal powders is suggested. The model involves the self-consistent equations for the dynamics of the free surface, the temperature, the concentration of components
Publikováno v:
Optical Measurement Systems for Industrial Inspection XI.
Experimental results of on-line monitoring of temperature on the surface of a melt of stainless steel 304 in laser metal deposition technology with an inclined position of the sensor relative to the laser beam are presented. The additive synthesis se
Publikováno v:
Optical Measurement Systems for Industrial Inspection XI.
The results of optical diagnostics of physical processes occurring on the surface of Nickel alloy powder melt in selective laser melting (SLM) technology are presented. The independent registration of the dynamics of the brightness temperature and th
Publikováno v:
Modeling Aspects in Optical Metrology VII.
In this paper, the processes accompanying multitrack and multilayer selective laser melting of metal powder are studied by methods of multiscale numerical simulation. The model includes the coupled macro-scale balance equations of energy and momentum