In-situ Optical Emission Spectroscopy during SLM of 304L Stainless Steel

Cody S. Lough; Luis I. Escano; Minglei Qu; Christopher C. Smith; Robert G. Landers; Douglas A. Bristow; Lianyi Chen; Edward C. Kinzel

In-situ Optical Emission Spectroscopy during SLM of 304L Stainless Steel

Cody S. Lough, Luis I. Escano, Minglei Qu, Christopher C. Smith, Robert G. Landers, Douglas A. Bristow, Lianyi Chen, Edward C. Kinzel

Research output: Contribution to conference › Paper › peer-review

3 Scopus citations

Abstract

This paper demonstrates the potential of in-situ Optical Emission Spectroscopy (OES) to monitor the Selective Laser Melting (SLM) process. A spectrometer is split into the beam path of a home-built SLM system to collect visible light emitted from the melt pool and plume. The inline configuration allows signal collection regardless of the laser scan location. The spectral data can be used to calculate the temperature of the vapor plume and correlated with the melt-pool size. The effects of varying the atmosphere and pressure on the OES signal are also explored. These results demonstrate that OES can provide useful feedback to the SLM process for process monitoring and part validation. The challenges implementing OES in-line on a commercial SLM platform are discussed. This work was funded by Honeywell Federal Manufacturing & Technologies under Contract No. DE-NA0002839 with the U.S. Department of Energy.

Original language	English
Pages	2192-2201
Number of pages	10
State	Published - 2020
Externally published	Yes
Event	29th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2018 - Austin, United States Duration: Aug 13 2018 → Aug 15 2018

Conference

Conference	29th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2018
Country/Territory	United States
City	Austin
Period	08/13/18 → 08/15/18

Funding

This work was funded by Honeywell Federal Manufacturing & Technologies under Contract No. DE-NA0002839 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a nonexclusive, paid up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for the United States Government purposes.

Funders	Funder number
United States Government
U.S. Department of Energy
Honeywell Federal Manufacturing and Technologies	DE-NA0002839

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Cite this

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title = "In-situ Optical Emission Spectroscopy during SLM of 304L Stainless Steel",

abstract = "This paper demonstrates the potential of in-situ Optical Emission Spectroscopy (OES) to monitor the Selective Laser Melting (SLM) process. A spectrometer is split into the beam path of a home-built SLM system to collect visible light emitted from the melt pool and plume. The inline configuration allows signal collection regardless of the laser scan location. The spectral data can be used to calculate the temperature of the vapor plume and correlated with the melt-pool size. The effects of varying the atmosphere and pressure on the OES signal are also explored. These results demonstrate that OES can provide useful feedback to the SLM process for process monitoring and part validation. The challenges implementing OES in-line on a commercial SLM platform are discussed. This work was funded by Honeywell Federal Manufacturing & Technologies under Contract No. DE-NA0002839 with the U.S. Department of Energy.",

author = "Lough, {Cody S.} and Escano, {Luis I.} and Minglei Qu and Smith, {Christopher C.} and Landers, {Robert G.} and Bristow, {Douglas A.} and Lianyi Chen and Kinzel, {Edward C.}",

note = "Publisher Copyright: {\textcopyright} Solid Freeform Fabrication 2018: Proceedings of the 29th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2018. All Rights Reserved.; 29th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2018 ; Conference date: 13-08-2018 Through 15-08-2018",

year = "2020",

language = "English",

pages = "2192--2201",

}

TY - CONF

T1 - In-situ Optical Emission Spectroscopy during SLM of 304L Stainless Steel

AU - Lough, Cody S.

AU - Escano, Luis I.

AU - Qu, Minglei

AU - Smith, Christopher C.

AU - Landers, Robert G.

AU - Bristow, Douglas A.

AU - Chen, Lianyi

AU - Kinzel, Edward C.

N1 - Publisher Copyright: © Solid Freeform Fabrication 2018: Proceedings of the 29th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2018. All Rights Reserved.

PY - 2020

Y1 - 2020

N2 - This paper demonstrates the potential of in-situ Optical Emission Spectroscopy (OES) to monitor the Selective Laser Melting (SLM) process. A spectrometer is split into the beam path of a home-built SLM system to collect visible light emitted from the melt pool and plume. The inline configuration allows signal collection regardless of the laser scan location. The spectral data can be used to calculate the temperature of the vapor plume and correlated with the melt-pool size. The effects of varying the atmosphere and pressure on the OES signal are also explored. These results demonstrate that OES can provide useful feedback to the SLM process for process monitoring and part validation. The challenges implementing OES in-line on a commercial SLM platform are discussed. This work was funded by Honeywell Federal Manufacturing & Technologies under Contract No. DE-NA0002839 with the U.S. Department of Energy.

AB - This paper demonstrates the potential of in-situ Optical Emission Spectroscopy (OES) to monitor the Selective Laser Melting (SLM) process. A spectrometer is split into the beam path of a home-built SLM system to collect visible light emitted from the melt pool and plume. The inline configuration allows signal collection regardless of the laser scan location. The spectral data can be used to calculate the temperature of the vapor plume and correlated with the melt-pool size. The effects of varying the atmosphere and pressure on the OES signal are also explored. These results demonstrate that OES can provide useful feedback to the SLM process for process monitoring and part validation. The challenges implementing OES in-line on a commercial SLM platform are discussed. This work was funded by Honeywell Federal Manufacturing & Technologies under Contract No. DE-NA0002839 with the U.S. Department of Energy.

UR - http://www.scopus.com/inward/record.url?scp=85084959770&partnerID=8YFLogxK

M3 - Paper

AN - SCOPUS:85084959770

SP - 2192

EP - 2201

T2 - 29th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2018

Y2 - 13 August 2018 through 15 August 2018

ER -

In-situ Optical Emission Spectroscopy during SLM of 304L Stainless Steel

Abstract

Conference

Funding

UN SDGs

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