About this Abstract |
Meeting |
2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
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Symposium
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2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
|
Presentation Title |
Opacity Modulation in Additive Manufacturing |
Author(s) |
Aja Hartman, Mary Baker, Ingeborg Tastl, Krzysztof Nauka |
On-Site Speaker (Planned) |
Aja Hartman |
Abstract Scope |
HP’s powder-based technology, Multi Jet Fusion (MJF), uses a fusing agent to selectively melt polymer powder in a layer-by-layer fashion to create 3D parts. There are many applications that require variable opacity including signage, medical models, and backlit buttons and indicators on computers, vehicles, and instruments. The industry also needs to replicate different materials that have varying optical properties throughout their thickness, such as skin or marble, and to enable techniques such as covert marking on parts. Although completely opaque parts are achievable by doping the base powder material with an opacifying material, this opacifying method makes the whole part opaque instead of allowing variability at a voxel level. By modulating both opacifying agent loading and the geometric design of the opaque part region in our MJF platform, we have achieved variable optical properties within parts, modulating total transmitted light from 10% to 1%. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |