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Designing and simulating a nitinol-based micro ejector
Diseño y simulación de un micro eyector basado en nitinol
DOI:
https://doi.org/10.15446/ing.investig.v32n1.28519Keywords:
shape memory alloy (SMA), nitinol, nitinol membrane (en)AMF, Aleación con Memoria de Forma, Nitinol, Eyector, Membranas de Nitinol (es)
This paper describes pico-droplet ejector design and simulation. The actuation system was based on two interconnected nitinol membranes' shape memory effect. Ejected volume was 12pL and it operated at 30°C to 64°C. Ejecting excitation voltage was 12V and the ejecting energy required by actuator operation was 26µJ per drop. These pico-liter ejectors could have applications in making, lubricating and cooling integrated circuits.
Este artículo describe el diseño y simulación de un eyector de pico-volúmenes cuyo sistema de actuación está basado en la memoria de forma de dos membranas de Nitinol. El volumen de las gotas eyectadas es de 12pL. El micro eyector opera a temperaturas entre 30°C y 64°C, a un voltaje de 12 V y una energía de eyección de 26µJ por gota. Este tipo de eyectores puede tener aplicaciones en la fabricación con tintas conductoras, lubricación y el enfriamiento de dispositivos electrónicos.
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