Search Results - "Zhirnov, Ivan"

Measurements of Melt Pool Geometry and Cooling Rates of Individual Laser Traces on IN625 Bare Plates by Lane, Brandon, Heigel, Jarred, Ricker, Richard, Zhirnov, Ivan, Khromschenko, Vladimir, Weaver, Jordan, Phan, Thien, Stoudt, Mark, Mekhontsev, Sergey, Levine, Lyle

“…The complex physical nature of the laser powder bed fusion (LPBF) process warrants use of multiphysics computational simulations to predict or design optimal…”
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An investigation into the properties of 3D printed Ti6Al4V FCC lattice structures with different strut thicknesses by Strauss, Jacques, Salojee, Muhammed, Du Plessis, Anton, Zhirnov, Ivan, Krakmale, Pavel, Khodja, Malika

“…Metal additive manufacturing of titanium and its alloys can produce complicated geometries cost-effectively while maintaining biocompatibility. It is known…”
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Laser beam profiling: experimental study of its influence on single-track formation by selective laser melting by Zhirnov, Ivan V., Podrabinnik, Pavel A., Okunkova, Anna A., Gusarov, Andrey V.

“…In the article the experimental study of influences of laser beam profiling on the microstructure of the material obtained by selective laser melting is…”
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Optical diagnostics of selective laser melting and monitoring of single-track formation by Gusarov, Andrey, Kotoban, Dmitriy, Zhirnov, Ivan

“…The article presents the optical diagnostics results of the selective laser melting process of single-track production. The track defects detection (such as…”
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Modeling of 3D technological fields and research of principal perspectives and limits in productivity improvement of selective laser melting by Grigoriev, S.N., Volosova, M.A., Gurin, Vladimir D., Kotoban, Dmitry V., Podrabinnik, Pavel A., Zhirnov, Ivan V., Peretyagin, Pavel Yu, Okunkova, Anna A.

“…Nowadays the technological perspectives of selective laser melting are limited by available equipment on the market. Most of the manufactures produce…”
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Transient Laser Energy Absorption, Co-axial Melt Pool Monitoring, and Relationship to Melt Pool Morphology by Lane, Brandon, Zhirnov, Ivan, Mekhontsev, Sergey, Grantham, Steven, Ricker, Richard, Rauniyar, Santosh, Chou, Kevin

“…Melt pool monitoring (MPM) is a technique used in laser powder bed fusion (LPBF) to extract features from in-situ sensor signals that correlate to defect…”
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Evaporation-induced gas-phase flows at selective laser melting by Zhirnov, I., Kotoban, D. V., Gusarov, A. V.

“…Selective laser melting is the method for 3D printing from metals. A solid part is built from powder layer-by-layer. A continuum-wave laser beam scans every…”
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Parametric analysis of SLM using comprehensive optical monitoring by Doubenskaia, Maria, Grigoriev, Sergey, Zhirnov, Ivan, Smurov, Igor

“…Purpose – This paper aims to propose methods for on-line monitoring and process quality assurance of Selective Laser Melting (SLM) technology as a competitive…”
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Accurate determination of laser spot position during laser powder bed fusion process thermography by Zhirnov, Ivan, Mekhontsev, Sergey, Lane, Brandon, Grantham, Steven, Bura, Nikola

“…High-speed thermography is useful tool for researching the laser powder bed fusion process by providing thermal information in heat affected zone. However, it…”
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Measurement Uncertainty of Surface Temperature Distributions for Laser Powder Bed Fusion Processes by Deisenroth, David C, Mekhontsev, Sergey, Lane, Brandon, Hanssen, Leonard, Zhirnov, Ivan, Khromchenko, Vladimir, Grantham, Steven, Cardenas-Garcia, Daniel, Donmez, Alkan

“…This paper describes advances in measuring the characteristic spatial distribution of surface temperature and emissivity during laser-metal interaction under…”
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New Approach of True Temperature Restoration in Optical Diagnostics Using IR-Camera by Zhirnov, I., Protasov, C., Kotoban, D., Gusarov, A. V., Tarasova, T.

“…The laser treatment processes are specified due to the laser-matter interaction instabilities. Modern additive manufacturing technologies such as selective…”
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Development of computational framework for titanium alloy phase transformation prediction in laser powder-bed fusion additive manufacturing by Liang, Zhi, Zhirnov, Ivan, Zhang, Fan, Jones, Kevontrez K., Deisenroth, David, Williams, Maureen, Kattner, Ursula, Moon, Kil-won, Liu, Wing-Kam, Lane, Brandon, Campbell, Carelyn

“…In conjunction with bare metal single laser track validation experiments, a computational framework is proposed to accelerate the design and development of new…”
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Development of computational framework for titanium alloy phase transformation prediction in laser powder-bed fusion additive manufacturing by Liang, Zhi, Zhirnov, Ivan, Zhang, Fan, Jones, Kevontrez K., Deisenroth, David, Williams, Maureen, Kattner, Ursula, Moon, Kil-won, Liu, Wing-Kam, Lane, Brandon, Campbell, Carelyn

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Topographic Measurement of Individual Laser Tracks in Alloy 625 Bare Plates by Ricker, Richard E., Heigel, Jarred C., Lane, Brandon M., Zhirnov, Ivan, Levine, Lyle E.

“…Additive manufacturing (AM) combines all of the complexities of materials processing and manufacturing into a single process. The digital revolution made this…”
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Study of oxygen effect on the melting pool temperature during selective laser melting by Grigoriev, S.N., Volosova, M.A., Doubenskaia, M., Kotoban, D., Zhirnov, I.

“…The on-line optical diagnostics studies of selective laser melting are difficult to accomplish due to the need of closed chamber of inert gas protective…”
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Determination of the True Temperature During Selective Laser Melting of Metal Powders Based on Measurements with an Infrared Camera by Smurov, I. Yu, Dubenskaya, M. A., Zhirnov, I. V., Teleshevskii, V. I.

“…The recovery of the true temperature of a metal powder during selective laser melting is examined. A method is proposed for determining the temperature of the…”
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Means of Optical Diagnostics of Selective Laser Melting with Non-Gaussian Beams by Gusarov, A. V., Okun’kova, A. A., Peretyagin, P. Yu, Zhirnov, I. V., Podrabinnik, P. A.

“…A system for optical monitoring and diagnostics of the selective laser melting process with different beam power densities has been developed. The relationship…”
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Measurement of Basic Geometric Characteristics of Particle Flow Between Surfacing Head and Substrate by Zhirnov, I. V., Doubenskaia, M. A., Smurov, I. Yu, Teleshevskiy, V. I.

“…We present a method of determining the geometric characteristics of gas-powder flow during laser cladding with coaxial injection. We evaluate the effect of the…”
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