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18-06-2020 дата публикации

In-process ultrasonic polling of 3d printed crystalline/semi-crystalline electroactive polymers

Номер: US20200189188A1
Автор: Alireza Tofangchi, Keng Hsu, Tom Berfield
Принадлежит: University of Louisville Research Foundation ULRF

Methods and systems for producing a structure having selectable piezoelectric properties via additive manufacturing. Such methods can include coupling an ultrasound generating device to a print head of the additive manufacturing apparatus; transmitting acoustic energy from the ultrasound generating device to the print head to vibrate the print head in an oscillatory manner; extruding a feed material from the print head; moving the print head in at least one dimension relative to a substrate on which the structure is being manufactured; and dispensing layers sequentially on top of each other to form the structure. Such systems can include an additive manufacturing apparatus comprising a print head movable in at least one dimension relative to a base configured to support the structure being produced; and an ultrasound generating device that is connected to the print head.

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Номер записи: 1
25-01-2024 дата публикации

In-process ultrasonic polling of 3d printed crystalline/semicrystalline electroactive polymers

Номер: US20240025114A1
Автор: Alireza Tofangchi, Keng Hsu, Thomas A. Berfield
Принадлежит: University of Louisville Research Foundation ULRF

Methods and systems for producing a structure having selectable piezoelectric properties via additive manufacturing. Such methods can include coupling an ultrasound generating device to a print head of the additive manufacturing apparatus; transmitting acoustic energy from the ultrasound generating device to the print head to vibrate the print head in an oscillatory manner; extruding a feed material from the print head; moving the print head in at least one dimension relative to a substrate on which the structure is being manufactured; and dispensing layers sequentially on top of each other to form the structure. Such systems can include an additive manufacturing apparatus comprising a print head movable in at least one dimension relative to a base configured to support the structure being produced; and an ultrasound generating device that is connected to the print head.

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Номер записи: 2