Details
| Original language | English |
|---|---|
| Title of host publication | Laser 3D Manufacturing VIII |
| Editors | Bo Gu, Hongqiang Chen, Henry Helvajian |
| Publisher | SPIE |
| ISBN (electronic) | 9781510641891 |
| Publication status | Published - 8 Mar 2021 |
| Event | Laser 3D Manufacturing VIII 2021 - Virtual, Online, United States Duration: 6 Mar 2021 → 11 Mar 2021 |
Publication series
| Name | Proceedings of SPIE - The International Society for Optical Engineering |
|---|---|
| Volume | 11677 |
| ISSN (Print) | 0277-786X |
| ISSN (electronic) | 1996-756X |
Abstract
Additive Manufacturing of glass opens up new possibilities for the design and integration of optical components. By varying the shape and size of optical elements, optical systems specifically adapted to various applications can be fabricated cost-effectively. The Laser Glass Deposition (LGD) process uses a CO2 laser with a wavelength of 10.6 μm to locally generate temperatures above 2000 °C in fused silica fibers. This enables the Additive Manufacturing and Rapid Prototyping of glass by melting and then layer-by-layer deposition of fibers. However, these high temperatures can result in very high residual stress in the material. The development of a coaxial LGD process aims for a more uniform heating of the glass fiber during the printing process in order to enable a direction-independent process and to reduce the residual stresses within the printed components. In this work, a novel concept for the coaxial LGD process and its successful experimental application is presented. Further, a numerical simulation model is developed to describe the temperature distribution in the glass fiber during the coaxial LGD process. Based on experimental results and on the numerical simulation, the potentials and challenges of the coaxial LGD process are discussed.
Keywords
- Additive Manufacturing, Coaxial Laser Welding, Laser Glass Deposition, Simulation
ASJC Scopus subject areas
- Materials Science(all)
- Electronic, Optical and Magnetic Materials
- Physics and Astronomy(all)
- Condensed Matter Physics
- Computer Science(all)
- Computer Science Applications
- Mathematics(all)
- Applied Mathematics
- Engineering(all)
- Electrical and Electronic Engineering
Cite this
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- Apa
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- BibTeX
- RIS
Laser 3D Manufacturing VIII. ed. / Bo Gu; Hongqiang Chen; Henry Helvajian. SPIE, 2021. 116770Z (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 11677).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Additive manufacturing of fused silica using coaxial laser glass deposition
T2 - Laser 3D Manufacturing VIII 2021
AU - Grabe, Tobias
AU - Lammers, Marius
AU - Wang, X.
AU - Rettschlag, Katharina
AU - Sleiman, K.
AU - Barroi, Alexander
AU - Biermann, Tobias
AU - Ziebehl, Arved
AU - Röttger, Julian
AU - Ley, Peer-Philip
AU - Wolf, Alexander
AU - Jaeschke, P.
AU - Hermsdorf, Jörg
AU - Kaierle, Stefan
AU - Ahlers, Holger
AU - Lachmayer, Roland
AU - Wang, Shunbin
N1 - Funding Information: Parts of this work were done within the projects ”GROTESK – Generative Fertigung optischer, thermaler und struktureller Komponenten”, funded by EFRE - NBank (ZW6-85017913 and ZW6-85018307), the Cluster of Excellence PhoenixD (EXC 2122, Project ID 390833453) funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) within Germany’s Excellence Strategy and the School for Additive Manufacturing SAM, funded by the Ministry for Science and Culture of Lower Saxony (MWK). We thank the European Regional Development Fund (ERDF) and the Ministry of Science and Culture of Lower Saxony.
PY - 2021/3/8
Y1 - 2021/3/8
N2 - Additive Manufacturing of glass opens up new possibilities for the design and integration of optical components. By varying the shape and size of optical elements, optical systems specifically adapted to various applications can be fabricated cost-effectively. The Laser Glass Deposition (LGD) process uses a CO2 laser with a wavelength of 10.6 μm to locally generate temperatures above 2000 °C in fused silica fibers. This enables the Additive Manufacturing and Rapid Prototyping of glass by melting and then layer-by-layer deposition of fibers. However, these high temperatures can result in very high residual stress in the material. The development of a coaxial LGD process aims for a more uniform heating of the glass fiber during the printing process in order to enable a direction-independent process and to reduce the residual stresses within the printed components. In this work, a novel concept for the coaxial LGD process and its successful experimental application is presented. Further, a numerical simulation model is developed to describe the temperature distribution in the glass fiber during the coaxial LGD process. Based on experimental results and on the numerical simulation, the potentials and challenges of the coaxial LGD process are discussed.
AB - Additive Manufacturing of glass opens up new possibilities for the design and integration of optical components. By varying the shape and size of optical elements, optical systems specifically adapted to various applications can be fabricated cost-effectively. The Laser Glass Deposition (LGD) process uses a CO2 laser with a wavelength of 10.6 μm to locally generate temperatures above 2000 °C in fused silica fibers. This enables the Additive Manufacturing and Rapid Prototyping of glass by melting and then layer-by-layer deposition of fibers. However, these high temperatures can result in very high residual stress in the material. The development of a coaxial LGD process aims for a more uniform heating of the glass fiber during the printing process in order to enable a direction-independent process and to reduce the residual stresses within the printed components. In this work, a novel concept for the coaxial LGD process and its successful experimental application is presented. Further, a numerical simulation model is developed to describe the temperature distribution in the glass fiber during the coaxial LGD process. Based on experimental results and on the numerical simulation, the potentials and challenges of the coaxial LGD process are discussed.
KW - Additive Manufacturing
KW - Coaxial Laser Welding
KW - Laser Glass Deposition
KW - Simulation
UR - http://www.scopus.com/inward/record.url?scp=85107178527&partnerID=8YFLogxK
U2 - 10.1117/12.2577205
DO - 10.1117/12.2577205
M3 - Conference contribution
AN - SCOPUS:85107178527
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Laser 3D Manufacturing VIII
A2 - Gu, Bo
A2 - Chen, Hongqiang
A2 - Helvajian, Henry
PB - SPIE
Y2 - 6 March 2021 through 11 March 2021
ER -