Heating and cooling mechanisms for sma actuator - A brief review

Ferlorna Freddie John Luji and Teo, Kenneth Tze Kin and Tan, Soo Fun and Yoong, Hou Pin (2021) Heating and cooling mechanisms for sma actuator - A brief review. Transactions on Science and Technology, 8 (3). pp. 425-431. ISSN 2259-8786

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Abstract

Shape memory alloy (SMA) is a type of alloy with significant thermo-mechanical behavior that can be utilized as a solid-state actuator. However, the particularly useful thermo-mechanical behavior also highly non-linear and hysteretic. Making control of the SMA thermomechanical behavior exceedingly difficult. A highly controllable heating and cooling mechanism is the key factor to achieve good control of the SMA thermomechanical behavior. Thus, this paper reviewed the heating and cooling mechanism for the SMA intending to find a controllable heating and cooling mechanism for the SMA. A result from the review suggests that a mechanism with a combination of the thermoelectric module (TEM), a two-way mixing valve, and flexible tubing can offer temperature controllability for the SMA. This can be achieved by using the Peltier effect of the TEM to generate hot and cool liquid that can be channeled to the SMA in a tube through a two-way mixing valve to control the liquid temperature. Although this mechanism had been developed by the researcher, the optimization of the flexible tubing encasing the SMA to achieve maximum performance is still left poorly explore.

Item Type:	Article
Keyword:	Shape memory alloy , SMA , Peltier effect , Resistive heating , Thermoelectric module , TEM , Artificial muscle
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA1-2040 Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Department:	FACULTY > Faculty of Computing and Informatics
Depositing User:	SAFRUDIN BIN DARUN -
Date Deposited:	09 Jun 2022 11:36
Last Modified:	09 Jun 2022 11:36
URI:	https://eprints.ums.edu.my/id/eprint/32734

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