One piece multifunctional nanolaminated composite window pane
AssigneeThe Boeing Company
InventorsJiangtian Cheng, Paul S. Nordman
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Abstract
One piece, multifunctional window assemblies for use in vehicles, equipment, or structures and methods for making them is provided. The disclosed window assembly can include a protection panel and a structural panel each formed of a plurality of nanolaminated layers. The nanolaminated window assembly is self-supporting and does not need a frame. For particular applications, such as in an aircraft, the one piece, multifunctional, nanolaminated window can be directly attached to the fuselage to provide load bearing capability, a larger window area, impact protection, ice buildup prevention, and/or electromagnetic effect protection.
Claims21
A window assembly comprising:
- a protection panel comprising a protection panel edge;
- and
- a structural panel disposed on the protection panel, the structural panel comprising a structural panel edge that extends beyond the protection panel edge,
- wherein the structural panel has a tensile stress of about 30 ksi to about 2,000 ksi, and
- wherein the window assembly has a transmissivity of about 45% to about 99% to visible light.
A window assembly comprising:
- a protection panel comprising,
- a surface barrier layer, and
- an electromagnetic effect (EME) protection layer disposed on the surface barrier layer;
- and
- a structural panel disposed on the protection panel, the structural panel comprising,
- a bottom surface protection layer,
- a structural layer disposed on the bottom surface protection layer, and
- a transparent conductive coating layer disposed on the structural layer,
- wherein the window assembly has a transmissivity of about 45% to about 99% to visible light.
A method for making a frameless, nanolaminated window assembly comprising:
- forming a bottom surface protection layer by,
- depositing a first reinforcement layer comprising one or more layers of Al2O3, one or more layers of graphene, or one or more layers of Al2O3 and graphene;
- depositing a first transparent polymer layer comprising a thermoplastic material on the first reinforcement layer;
- forming a structural layer disposed on the bottom surface protection layer by,
- depositing a second reinforcement layer comprising one or more layers of Al2O3, one or more layers of graphene, one or more layers SiO2, or a combination thereof,
- depositing a second transparent polymer layer comprising a thermoplastic material on the second reinforcement layer, and
- depositing a third reinforcement layer comprising one or more layers of Al2O3, one or more layers of graphene, or one or more layers of Al2O3 and graphene on the second transparent polymer layer;
- and
- forming a transparent conductive coating layer comprising one or more of ITO and graphene on the third reinforcement layer.
Dependencies are inferred from the claim text.