Dr. Alexander V. Dubrov Profile

Dr. Alexander V. Dubrov

at Institute on Laser and Information Technologies

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 21 June 2019 Paper

On modeling of heat transfer and molten pool behavior in multi-layer and multi-track laser additive manufacturing process

A. Dubrov, F. Kh. Mirzade, V. Dubrov

Proceedings Volume 11057, 110571Q (2019) https://doi.org/10.1117/12.2527605

KEYWORDS: Crystals, Particles, Metals, Additive manufacturing, Process modeling, Dendrites, Solids, Laser manufacturing, Laser processing

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Proceedings Article | 21 June 2019 Paper

Optical method of on-line temperature monitoring on the melt surface in laser metal deposition technology

Y. Zavalov, A. Dubrov, V. Dubrov

Proceedings Volume 11056, 1105633 (2019) https://doi.org/10.1117/12.2527636

KEYWORDS: Laser applications, Pyrometry, Sensors, Particles, Metals, Optical diagnostics, Temperature metrology, Head, Fiber lasers, Image sensors

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Proceedings Article | 21 June 2019 Paper

Optical methods of on-line diagnostics of processes of the Nickel alloy powder consolidation in the layer-by-layer laser melting technology

Y. Zavalov, A. Dubrov, V. Dubrov

Proceedings Volume 11056, 1105632 (2019) https://doi.org/10.1117/12.2527632

KEYWORDS: Laser applications, Pyrometry, Optical diagnostics, Photodiodes, Spatial light modulators, Nickel, Sensors, Metals, Diagnostics, Radiation effects

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Proceedings Article | 24 May 2018 Paper

The multichannel pyrometer of the spectral ratio for on-line monitoring in the powder bed additive technologies

Y. Zavalov, A. Dubrov, P. Rodin, F. Kh. Mirzade, V. Glebov, A. Malutin, G. Dubrov

Proceedings Volume 10677, 106772G (2018) https://doi.org/10.1117/12.2307578

KEYWORDS: Optical diagnostics, Photodiodes, Spatial light modulators, Reflection, Oxidation, Pyrometry, Laser applications, Radiation effects, Metals, Optical fibers

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Proceedings Article | 22 May 2018 Paper

Temperature distribution of gas powder jet formed by coaxial nozzle in laser metal deposition

Y. Zavalov, A. Dubrov, P. Rodin, F. Mirzade, E. Makarova, N. Dubrovin, V. Dubrov

Proceedings Volume 10675, 1067511 (2018) https://doi.org/10.1117/12.2307511

KEYWORDS: Pyrometry, Metals, Radiation effects, Temperature metrology, Photodetectors, Photodiodes, Optical filters, Process control, Process modeling

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Proceedings Article | 22 May 2018 Paper

On multi-scale modelling of dendrite growth during laser metal deposition process

A. Dubrov, F. Mirzade, V. Dubrov

Proceedings Volume 10675, 1067514 (2018) https://doi.org/10.1117/12.2307555

KEYWORDS: Dendrites, Crystals, Metals, Particles, Interfaces, 3D modeling, Modeling, Numerical simulations

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Proceedings Article | 22 May 2018 Paper

Numerical simulation of thermal behavior for process parameters optimization in laser additive manufacturing

A. Dubrov, F. Mirzade, V. Dubrov, P. Rodin

Proceedings Volume 10675, 1067513 (2018) https://doi.org/10.1117/12.2307535

KEYWORDS: Laser applications, Process modeling, Metals, Additive manufacturing, Laser processing, Absorption, Laser manufacturing, Numerical simulations

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Proceedings Article | 22 May 2018 Paper

On numerical modeling of heat transfer and fluid flow in selective laser melting of metal powder bed

F. Mirzade, A. Dubrov, V. Dubrov

Proceedings Volume 10675, 1067512 (2018) https://doi.org/10.1117/12.2307530

KEYWORDS: Liquids, Metals, Solids, Particles, Numerical modeling, Software development, Convection, Capillaries, Thermodynamics

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Proceedings Article | 26 June 2017 Paper

Evaluation of thermal behavior during laser metal deposition using optical pyrometry and numerical simulation

Alexander Dubrov, Yuri Zavalov, Fikret Mirzade, Vladimir Dubrov

Proceedings Volume 10330, 103301K (2017) https://doi.org/10.1117/12.2270269

KEYWORDS: Metals, Pyrometry, Numerical simulations, Carbon dioxide lasers, Convection, Laser applications, Laser energy, Thermography, Optical simulations, Digital micromirror devices, Mathematical modeling, Temperature metrology, 3D modeling, Process modeling, Lawrencium, Lanthanum, Additive manufacturing

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Proceedings Article | 26 June 2017 Paper

Features of the estimation of temperature distribution on the bead formed by the laser aided metal powder deposition

Yuri Zavalov, Alexander Dubrov, Fikret Kh. Mirzade, Vladimir Dubrov

Proceedings Volume 10329, 1032942 (2017) https://doi.org/10.1117/12.2270239

KEYWORDS: Laser applications, Diagnostics, Metals, Optical fibers, Carbon dioxide lasers, Sensors, Pyrometry, Temperature metrology, Laser optics, Infrared sensors, Infrared radiation, Additive manufacturing

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SPIE Journal Paper | 6 September 2012

Spectrum of temperature pulsations of the melt in gas-assisted cutting with fiber laser

Alexander Dubrov, Yury Zavalov, Vladimir Dubrov, Anatoly Grezev, Nikolay Grezev, Elena Makarova, Nickolay Dubrovin

OE, Vol. 51, Issue 9, 094301, (September 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.9.094301

KEYWORDS: Laser cutting, Oxygen, Turbulence, Capillaries, Fiber lasers, Temperature metrology, Pyrometry, Laser applications, Metals, Laser processing

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Proceedings Article | 15 May 2012 Paper

Pyrometry diagnostic in laser cutting technology

Alexander Dubrov, Vladimir Dubrov, Yury Zavalov, Elena Makarova, Nickoly Dubrovin

Proceedings Volume 8433, 84330W (2012) https://doi.org/10.1117/12.923016

KEYWORDS: Laser cutting, Capillaries, Temperature metrology, Turbulence, Pyrometry, Absorption, Oxygen, Metals, Fiber lasers, Laser applications

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Showing 5 of 12 publications

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