Laser strengthening of additive manufactured edge seal for vacuum insulated glazing with micro-size glass frit

Lingyue Zhang; Suhong Zhang; Pooran Joshi; Mahabir Bhandari; Anming Hu; Seungha Shin

doi:10.1016/j.jobe.2022.104539

Laser strengthening of additive manufactured edge seal for vacuum insulated glazing with micro-size glass frit

Lingyue Zhang, Suhong Zhang, Pooran Joshi, Mahabir Bhandari, Anming Hu, Seungha Shin

Building Envelope Materials Research

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Sealing of glass edge is a key step in developing cost-effective and durable vacuum insulated glazing for the drive towards net-zero energy buildings. To achieve a high-strength sealing with scalable and low-cost processing, we investigated a novel sealing method based on additive manufacturing and laser process and reported quantitative analysis of the laser assisted method sealing strength and the requirement of vacuum insulation glazing. Micro-size glass frits in printing ink and a continuous-wave laser curing were employed to allow the formation of a hermetic bonding layer with low thermal budget. Controlling various sealing parameters including laser traveling speed, spot diameter, and laser power, the water seepage and mechanical strength of the resulting glass-to-glass bonding were examined. Through the response surface methodology, we identified the optimized sealing condition where the bonding strength reached 5.68 MPa. A comparation of the bonding strength between thermal sealing method and laser-assisted method has been analyzed as well.

Original language	English
Article number	104539
Journal	Journal of Building Engineering
Volume	53
DOIs	https://doi.org/10.1016/j.jobe.2022.104539
State	Published - Aug 1 2022

Funding

This manuscript has been co-authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ). This work is supported by the Buildings Technology Office of the US Department of Energy , and we specifically thank Marc LaFrance at the US Department of Energy for guiding this research.

Funders	Funder number
U.S. Department of Energy
Building Technologies Office

Keywords

Additive manufacturing
Laser sealing
Micro-size glass frit
Vacuum insulated glazing

UN SDGs

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

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10.1016/j.jobe.2022.104539

Cite this

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title = "Laser strengthening of additive manufactured edge seal for vacuum insulated glazing with micro-size glass frit",

abstract = "Sealing of glass edge is a key step in developing cost-effective and durable vacuum insulated glazing for the drive towards net-zero energy buildings. To achieve a high-strength sealing with scalable and low-cost processing, we investigated a novel sealing method based on additive manufacturing and laser process and reported quantitative analysis of the laser assisted method sealing strength and the requirement of vacuum insulation glazing. Micro-size glass frits in printing ink and a continuous-wave laser curing were employed to allow the formation of a hermetic bonding layer with low thermal budget. Controlling various sealing parameters including laser traveling speed, spot diameter, and laser power, the water seepage and mechanical strength of the resulting glass-to-glass bonding were examined. Through the response surface methodology, we identified the optimized sealing condition where the bonding strength reached 5.68 MPa. A comparation of the bonding strength between thermal sealing method and laser-assisted method has been analyzed as well.",

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AU - Zhang, Lingyue

AU - Zhang, Suhong

AU - Joshi, Pooran

AU - Bhandari, Mahabir

AU - Hu, Anming

AU - Shin, Seungha

PY - 2022/8/1

Y1 - 2022/8/1

N2 - Sealing of glass edge is a key step in developing cost-effective and durable vacuum insulated glazing for the drive towards net-zero energy buildings. To achieve a high-strength sealing with scalable and low-cost processing, we investigated a novel sealing method based on additive manufacturing and laser process and reported quantitative analysis of the laser assisted method sealing strength and the requirement of vacuum insulation glazing. Micro-size glass frits in printing ink and a continuous-wave laser curing were employed to allow the formation of a hermetic bonding layer with low thermal budget. Controlling various sealing parameters including laser traveling speed, spot diameter, and laser power, the water seepage and mechanical strength of the resulting glass-to-glass bonding were examined. Through the response surface methodology, we identified the optimized sealing condition where the bonding strength reached 5.68 MPa. A comparation of the bonding strength between thermal sealing method and laser-assisted method has been analyzed as well.

AB - Sealing of glass edge is a key step in developing cost-effective and durable vacuum insulated glazing for the drive towards net-zero energy buildings. To achieve a high-strength sealing with scalable and low-cost processing, we investigated a novel sealing method based on additive manufacturing and laser process and reported quantitative analysis of the laser assisted method sealing strength and the requirement of vacuum insulation glazing. Micro-size glass frits in printing ink and a continuous-wave laser curing were employed to allow the formation of a hermetic bonding layer with low thermal budget. Controlling various sealing parameters including laser traveling speed, spot diameter, and laser power, the water seepage and mechanical strength of the resulting glass-to-glass bonding were examined. Through the response surface methodology, we identified the optimized sealing condition where the bonding strength reached 5.68 MPa. A comparation of the bonding strength between thermal sealing method and laser-assisted method has been analyzed as well.

KW - Additive manufacturing

KW - Laser sealing

KW - Micro-size glass frit

KW - Vacuum insulated glazing

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Laser strengthening of additive manufactured edge seal for vacuum insulated glazing with micro-size glass frit

Abstract

Funding

Keywords

UN SDGs

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