3D Printed Optical Quality Silica and Silica–Titania Glasses from Sol–Gel Feedstocks

Joel F. Destino, Nikola A. Dudukovic, Michael A. Johnson, Du T. Nguyen, Timothy D. Yee, Garth C. Egan, April M. Sawvel, William A. Steele, Theodore F. Baumann, Eric B. Duoss, Tayyab Suratwala, Rebecca Dylla-Spears

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A method for fabricating optical quality silica and silica–titania glasses by three-dimensional (3D) printing is reported. Key to this success is the combination of sol–gel derived silica and silica–titania colloidal feedstocks, direct ink writing (DIW) technology, and conventional glass thermal processing methods. Printable silica and silica–titania sol inks are prepared directly from molecular precursors by a simple one-pot method, which is optimized to yield viscous, shear-thinning colloidal suspensions with tuned rheology ideal for DIW. After printing, the parts are dried and sintered under optimized thermal conditions to ensure complete organic removal and uniform densification without crystallization. Characterizations of the 3D-printed pure silica and silica–titania glasses show that they are equivalent to commercial optical fused silica and silica–titania glasses. More specifically, they exhibit comparable chemical composition, SiO2 network structure, refractive index, dispersion, optical transmission, and coefficient of thermal expansion. 3D-printed silica and silica–titania glasses also exhibit comparable polished surface roughness and meet refractive index homogeneity standards within range of commercial optical grade glasses. This method establishes 3D printing as a viable tool to create optical glasses with compositional and geometric configurations that are inaccessible by conventional optical fabrication methods.

Original languageEnglish (US)
Article number1700323
JournalAdvanced Materials Technologies
Volume3
Issue number6
DOIs
StatePublished - Jun 1 2018

Fingerprint

Silicon Dioxide
Feedstocks
Silica
Glass
Ink
Printing
Refractive index
Optical glass
Shear thinning
Polymethyl Methacrylate
Fused silica
Light transmission
Sols
Crystallization
Rheology
Densification
Thermal expansion
Suspensions
Surface roughness
Fabrication

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering

Cite this

Destino, J. F., Dudukovic, N. A., Johnson, M. A., Nguyen, D. T., Yee, T. D., Egan, G. C., ... Dylla-Spears, R. (2018). 3D Printed Optical Quality Silica and Silica–Titania Glasses from Sol–Gel Feedstocks. Advanced Materials Technologies, 3(6), [1700323]. https://doi.org/10.1002/admt.201700323

3D Printed Optical Quality Silica and Silica–Titania Glasses from Sol–Gel Feedstocks. / Destino, Joel F.; Dudukovic, Nikola A.; Johnson, Michael A.; Nguyen, Du T.; Yee, Timothy D.; Egan, Garth C.; Sawvel, April M.; Steele, William A.; Baumann, Theodore F.; Duoss, Eric B.; Suratwala, Tayyab; Dylla-Spears, Rebecca.

In: Advanced Materials Technologies, Vol. 3, No. 6, 1700323, 01.06.2018.

Research output: Contribution to journalArticle

Destino, JF, Dudukovic, NA, Johnson, MA, Nguyen, DT, Yee, TD, Egan, GC, Sawvel, AM, Steele, WA, Baumann, TF, Duoss, EB, Suratwala, T & Dylla-Spears, R 2018, '3D Printed Optical Quality Silica and Silica–Titania Glasses from Sol–Gel Feedstocks', Advanced Materials Technologies, vol. 3, no. 6, 1700323. https://doi.org/10.1002/admt.201700323
Destino, Joel F. ; Dudukovic, Nikola A. ; Johnson, Michael A. ; Nguyen, Du T. ; Yee, Timothy D. ; Egan, Garth C. ; Sawvel, April M. ; Steele, William A. ; Baumann, Theodore F. ; Duoss, Eric B. ; Suratwala, Tayyab ; Dylla-Spears, Rebecca. / 3D Printed Optical Quality Silica and Silica–Titania Glasses from Sol–Gel Feedstocks. In: Advanced Materials Technologies. 2018 ; Vol. 3, No. 6.
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