Study of the optical emissions during Nd:YAG laser welding of AA5182

B.J. Aalderink; R.G.K.M. Aarts; J.B. Jonker; J. Meijer

doi:10.2351/1.5060180

Study of the optical emissions during Nd:YAG laser welding of AA5182

B.J. Aalderink, R.G.K.M. Aarts, J.B. Jonker, J. Meijer

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

1 Citation (Scopus)

Abstract

In this paper broad band spectroscopic measurements of the CW Nd:YAG laser welding process of AA5182-H111 are discussed. This specific alloy is e.g. used for the production of Tailor Welded Blanks in the automotive industry. For many optical sensor applications it is important to know the spectral content of the welding process, as such information is crucial for the selection of optical filters. The measurements were conducted in the range of 600 to 1600 nm. Measurements were conducted in two different configurations. In the first configuration the angle between the workpiece and the optical axis of the optical system used for the measurements was 15°. In the second configuration this angle was 75°. In both configurations 16 measurements were taken and the results were averaged. In this way the influence of the fluctuating overall intensity of the weld plume was reduced. However these fluctuations still remain the main source of noise in the measurement results. It was found that the region between 1000 and 1600 nm was dominated by temperature radiation. In the region of 700 to 1000 nm a broad band peak was seen that is quite distinct from temperature radiation. There were many peaks found in the measured spectra that correspond with wavelengths at which atomic emission lines are present of Ar, Al, Mg, N and O atoms. However no vibrational or rotational emission lines of AlO, MgO, AlH, N2 or O2 could be detected.

Original language	English
Title of host publication	ICALEO 2004
Subtitle of host publication	23rd International Congress on Laser Materials Processing and Laser Microfabrication, San Francisco, CA, USA, October 4–7, 2004
Place of Publication	San Fransisco, CA, USA
Publisher	Laser Institute of America
Pages	11-17
Number of pages	7
ISBN (Print)	0-912035-77-3
DOIs	https://doi.org/10.2351/1.5060180
Publication status	Published - 4 Oct 2004
Event	23rd International Congress on Applications of Lasers & Electro-Optics, ICALEO 2004 - San Fransisco, United States Duration: 4 Oct 2004 → 7 Oct 2004 Conference number: 23

Conference

Conference	23rd International Congress on Applications of Lasers & Electro-Optics, ICALEO 2004
Abbreviated title	ICALEO
Country	United States
City	San Fransisco
Period	4/10/04 → 7/10/04

Keywords

METIS-218695

Access to Document

10.2351/1.5060180

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Aalderink, B. J., Aarts, R. G. K. M., Jonker, J. B., & Meijer, J. (2004). Study of the optical emissions during Nd:YAG laser welding of AA5182. In ICALEO 2004: 23rd International Congress on Laser Materials Processing and Laser Microfabrication, San Francisco, CA, USA, October 4–7, 2004 (pp. 11-17). San Fransisco, CA, USA: Laser Institute of America. https://doi.org/10.2351/1.5060180

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title = "Study of the optical emissions during Nd:YAG laser welding of AA5182",

abstract = "In this paper broad band spectroscopic measurements of the CW Nd:YAG laser welding process of AA5182-H111 are discussed. This specific alloy is e.g. used for the production of Tailor Welded Blanks in the automotive industry. For many optical sensor applications it is important to know the spectral content of the welding process, as such information is crucial for the selection of optical filters. The measurements were conducted in the range of 600 to 1600 nm. Measurements were conducted in two different configurations. In the first configuration the angle between the workpiece and the optical axis of the optical system used for the measurements was 15°. In the second configuration this angle was 75°. In both configurations 16 measurements were taken and the results were averaged. In this way the influence of the fluctuating overall intensity of the weld plume was reduced. However these fluctuations still remain the main source of noise in the measurement results. It was found that the region between 1000 and 1600 nm was dominated by temperature radiation. In the region of 700 to 1000 nm a broad band peak was seen that is quite distinct from temperature radiation. There were many peaks found in the measured spectra that correspond with wavelengths at which atomic emission lines are present of Ar, Al, Mg, N and O atoms. However no vibrational or rotational emission lines of AlO, MgO, AlH, N2 or O2 could be detected.",

keywords = "METIS-218695",

author = "B.J. Aalderink and R.G.K.M. Aarts and J.B. Jonker and J. Meijer",

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Aalderink, BJ, Aarts, RGKM, Jonker, JB & Meijer, J 2004, Study of the optical emissions during Nd:YAG laser welding of AA5182. in ICALEO 2004: 23rd International Congress on Laser Materials Processing and Laser Microfabrication, San Francisco, CA, USA, October 4–7, 2004. Laser Institute of America, San Fransisco, CA, USA, pp. 11-17, 23rd International Congress on Applications of Lasers & Electro-Optics, ICALEO 2004, San Fransisco, United States, 4/10/04. https://doi.org/10.2351/1.5060180

Study of the optical emissions during Nd:YAG laser welding of AA5182. / Aalderink, B.J.; Aarts, R.G.K.M.; Jonker, J.B.; Meijer, J.

ICALEO 2004: 23rd International Congress on Laser Materials Processing and Laser Microfabrication, San Francisco, CA, USA, October 4–7, 2004. San Fransisco, CA, USA : Laser Institute of America, 2004. p. 11-17.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

TY - GEN

T1 - Study of the optical emissions during Nd:YAG laser welding of AA5182

AU - Aalderink, B.J.

AU - Aarts, R.G.K.M.

AU - Jonker, J.B.

AU - Meijer, J.

PY - 2004/10/4

Y1 - 2004/10/4

N2 - In this paper broad band spectroscopic measurements of the CW Nd:YAG laser welding process of AA5182-H111 are discussed. This specific alloy is e.g. used for the production of Tailor Welded Blanks in the automotive industry. For many optical sensor applications it is important to know the spectral content of the welding process, as such information is crucial for the selection of optical filters. The measurements were conducted in the range of 600 to 1600 nm. Measurements were conducted in two different configurations. In the first configuration the angle between the workpiece and the optical axis of the optical system used for the measurements was 15°. In the second configuration this angle was 75°. In both configurations 16 measurements were taken and the results were averaged. In this way the influence of the fluctuating overall intensity of the weld plume was reduced. However these fluctuations still remain the main source of noise in the measurement results. It was found that the region between 1000 and 1600 nm was dominated by temperature radiation. In the region of 700 to 1000 nm a broad band peak was seen that is quite distinct from temperature radiation. There were many peaks found in the measured spectra that correspond with wavelengths at which atomic emission lines are present of Ar, Al, Mg, N and O atoms. However no vibrational or rotational emission lines of AlO, MgO, AlH, N2 or O2 could be detected.

AB - In this paper broad band spectroscopic measurements of the CW Nd:YAG laser welding process of AA5182-H111 are discussed. This specific alloy is e.g. used for the production of Tailor Welded Blanks in the automotive industry. For many optical sensor applications it is important to know the spectral content of the welding process, as such information is crucial for the selection of optical filters. The measurements were conducted in the range of 600 to 1600 nm. Measurements were conducted in two different configurations. In the first configuration the angle between the workpiece and the optical axis of the optical system used for the measurements was 15°. In the second configuration this angle was 75°. In both configurations 16 measurements were taken and the results were averaged. In this way the influence of the fluctuating overall intensity of the weld plume was reduced. However these fluctuations still remain the main source of noise in the measurement results. It was found that the region between 1000 and 1600 nm was dominated by temperature radiation. In the region of 700 to 1000 nm a broad band peak was seen that is quite distinct from temperature radiation. There were many peaks found in the measured spectra that correspond with wavelengths at which atomic emission lines are present of Ar, Al, Mg, N and O atoms. However no vibrational or rotational emission lines of AlO, MgO, AlH, N2 or O2 could be detected.

KW - METIS-218695

U2 - 10.2351/1.5060180

DO - 10.2351/1.5060180

M3 - Conference contribution

SN - 0-912035-77-3

SP - 11

EP - 17

BT - ICALEO 2004

PB - Laser Institute of America

CY - San Fransisco, CA, USA

ER -