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Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling. / Pinkerton, A. J. ; Li, L. .
In: Journal of Laser Applications, Vol. 15, No. 3, 08.2003, p. 172-178.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Pinkerton, AJ & Li, L 2003, 'Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling', Journal of Laser Applications, vol. 15, no. 3, pp. 172-178.

APA

Pinkerton, A. J., & Li, L. (2003). Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling. Journal of Laser Applications, 15(3), 172-178.

Vancouver

Pinkerton AJ, Li L. Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling. Journal of Laser Applications. 2003 Aug;15(3):172-178.

Author

Pinkerton, A. J. ; Li, L. . / Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling. In: Journal of Laser Applications. 2003 ; Vol. 15, No. 3. pp. 172-178.

Bibtex

@article{06dc83ba4da24a88811d3daff7d50983,
title = "Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling",
abstract = "In rapid tooling using the direct laser deposition process and stainless steel materials, only powders prepared using the gas-atomization method have been used because of their presumed superior flow characteristics. In this article, the use of water-atomized powder is investigated by comparing the behavior of the two types of 316 L powders, deposited using a CO2 laser and coaxial head. Results show little difference in the pneumatic conveyance of the powders, but considerably greater absorption of laser energy by the water-atomized powder between the nozzle and material deposition point. Walls produced using the water-atomized powder exhibited a more textured microstructure and smoother sidewall surfaces, with less surface metallic oxides, but the deposition rate was considerably lower than when using gas-atomized powder. (C) 2003 Laser Institute of America.",
author = "Pinkerton, {A. J.} and L. Li",
year = "2003",
month = aug,
language = "English",
volume = "15",
pages = "172--178",
journal = "Journal of Laser Applications",
issn = "1042-346X",
publisher = "Laser Institute of America",
number = "3",

}

RIS

TY - JOUR

T1 - Process characteristics and effects of gas- and water-atomized stainless steel powders in laser-based rapid tooling

AU - Pinkerton, A. J.

AU - Li, L.

PY - 2003/8

Y1 - 2003/8

N2 - In rapid tooling using the direct laser deposition process and stainless steel materials, only powders prepared using the gas-atomization method have been used because of their presumed superior flow characteristics. In this article, the use of water-atomized powder is investigated by comparing the behavior of the two types of 316 L powders, deposited using a CO2 laser and coaxial head. Results show little difference in the pneumatic conveyance of the powders, but considerably greater absorption of laser energy by the water-atomized powder between the nozzle and material deposition point. Walls produced using the water-atomized powder exhibited a more textured microstructure and smoother sidewall surfaces, with less surface metallic oxides, but the deposition rate was considerably lower than when using gas-atomized powder. (C) 2003 Laser Institute of America.

AB - In rapid tooling using the direct laser deposition process and stainless steel materials, only powders prepared using the gas-atomization method have been used because of their presumed superior flow characteristics. In this article, the use of water-atomized powder is investigated by comparing the behavior of the two types of 316 L powders, deposited using a CO2 laser and coaxial head. Results show little difference in the pneumatic conveyance of the powders, but considerably greater absorption of laser energy by the water-atomized powder between the nozzle and material deposition point. Walls produced using the water-atomized powder exhibited a more textured microstructure and smoother sidewall surfaces, with less surface metallic oxides, but the deposition rate was considerably lower than when using gas-atomized powder. (C) 2003 Laser Institute of America.

M3 - Journal article

VL - 15

SP - 172

EP - 178

JO - Journal of Laser Applications

JF - Journal of Laser Applications

SN - 1042-346X

IS - 3

ER -