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A numerical investigation of powder heating in coaxial laser direct metal deposition

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

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A numerical investigation of powder heating in coaxial laser direct metal deposition. / Ibarra-Medina, J.; Pinkerton, A. J.
Proceedings of the 36th International Matador Conference. ed. / Srichand Hinduja; Lin Li. London: Springer, 2010. p. 455-458.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

Ibarra-Medina, J & Pinkerton, AJ 2010, A numerical investigation of powder heating in coaxial laser direct metal deposition. in S Hinduja & L Li (eds), Proceedings of the 36th International Matador Conference. Springer, London, pp. 455-458. https://doi.org/10.1007/978-1-84996-432-6_101

APA

Ibarra-Medina, J., & Pinkerton, A. J. (2010). A numerical investigation of powder heating in coaxial laser direct metal deposition. In S. Hinduja, & L. Li (Eds.), Proceedings of the 36th International Matador Conference (pp. 455-458). Springer. https://doi.org/10.1007/978-1-84996-432-6_101

Vancouver

Ibarra-Medina J, Pinkerton AJ. A numerical investigation of powder heating in coaxial laser direct metal deposition. In Hinduja S, Li L, editors, Proceedings of the 36th International Matador Conference. London: Springer. 2010. p. 455-458 doi: 10.1007/978-1-84996-432-6_101

Author

Ibarra-Medina, J. ; Pinkerton, A. J. / A numerical investigation of powder heating in coaxial laser direct metal deposition. Proceedings of the 36th International Matador Conference. editor / Srichand Hinduja ; Lin Li. London : Springer, 2010. pp. 455-458

Bibtex

@inproceedings{944cf53de5da4091960fbeefb670816d,
title = "A numerical investigation of powder heating in coaxial laser direct metal deposition",
abstract = "Understanding the interaction phenomena between the powder stream, the laser beam and the substrate is a key aspect for improving use of laser metal deposition. In this work, the powder stream is simulated under realistic deposition conditions. The stream of particles conveyed by inert gas through a coaxial deposition nozzle is first modelled and the interaction of particles with the laser beam investigated using a lumped capacitance approach, considering both particle heating and attenuation of the laser intensity. It is found that particles are initially rapidly heated while irradiated by the laser beam. This heating mainly depends on particle trajectory and incident energy, but attenuation also plays an important role. Experimental verification using stream imaging and deposition with a Laserline 1.5 kW diode laser shows good agreement between measured and simulated results. The model adds to existing models of the powder stream, and is capable of predicting particle trajectories, thermal and phase evolution.",
author = "J. Ibarra-Medina and Pinkerton, {A. J.}",
year = "2010",
doi = "10.1007/978-1-84996-432-6_101",
language = "English",
isbn = "978-1-84996-431-9",
pages = "455--458",
editor = "Srichand Hinduja and Lin Li",
booktitle = "Proceedings of the 36th International Matador Conference",
publisher = "Springer",

}

RIS

TY - GEN

T1 - A numerical investigation of powder heating in coaxial laser direct metal deposition

AU - Ibarra-Medina, J.

AU - Pinkerton, A. J.

PY - 2010

Y1 - 2010

N2 - Understanding the interaction phenomena between the powder stream, the laser beam and the substrate is a key aspect for improving use of laser metal deposition. In this work, the powder stream is simulated under realistic deposition conditions. The stream of particles conveyed by inert gas through a coaxial deposition nozzle is first modelled and the interaction of particles with the laser beam investigated using a lumped capacitance approach, considering both particle heating and attenuation of the laser intensity. It is found that particles are initially rapidly heated while irradiated by the laser beam. This heating mainly depends on particle trajectory and incident energy, but attenuation also plays an important role. Experimental verification using stream imaging and deposition with a Laserline 1.5 kW diode laser shows good agreement between measured and simulated results. The model adds to existing models of the powder stream, and is capable of predicting particle trajectories, thermal and phase evolution.

AB - Understanding the interaction phenomena between the powder stream, the laser beam and the substrate is a key aspect for improving use of laser metal deposition. In this work, the powder stream is simulated under realistic deposition conditions. The stream of particles conveyed by inert gas through a coaxial deposition nozzle is first modelled and the interaction of particles with the laser beam investigated using a lumped capacitance approach, considering both particle heating and attenuation of the laser intensity. It is found that particles are initially rapidly heated while irradiated by the laser beam. This heating mainly depends on particle trajectory and incident energy, but attenuation also plays an important role. Experimental verification using stream imaging and deposition with a Laserline 1.5 kW diode laser shows good agreement between measured and simulated results. The model adds to existing models of the powder stream, and is capable of predicting particle trajectories, thermal and phase evolution.

U2 - 10.1007/978-1-84996-432-6_101

DO - 10.1007/978-1-84996-432-6_101

M3 - Conference contribution/Paper

SN - 978-1-84996-431-9

SP - 455

EP - 458

BT - Proceedings of the 36th International Matador Conference

A2 - Hinduja, Srichand

A2 - Li, Lin

PB - Springer

CY - London

ER -