Silkworm protein: its possibility as an actuator

Hyoung-Joon Jin; Seung Jun Myung; Heung Soo Kim; Woochul Jung; Jaehwan Kim

doi:10.1117/12.657818

22 March 2006 Silkworm protein: its possibility as an actuator

Hyoung-Joon Jin, Seung Jun Myung, Heung Soo Kim, Woochul Jung, Jaehwan Kim

Proceedings Volume 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD); 616821 (2006) https://doi.org/10.1117/12.657818
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

The possibility of silkworm (Bombyx mori) protein as a base material of biomimetic actuator was investigated in this paper. Silkworm films were prepared from high concentrations of regenerated fibroin in aqueous solution. Films with thickness of about 100 μm were prepared for coating electrodes. The cast silk films were coated by very thin gold electrode on both sides of the film. Tensile test of cast film showed bi-modal trend, which is typical stress-strain relation of polymeric film. As the test of a possible biomimetic actuator, silkworm film actuator provides bending deformations according to the magnitude and frequency of the applied electric filed. Although the present bending deformation of silkworm film actuator is smaller than that of Electro-Active Paper actuator, it provides the possibility of biomimetic actuator.

Citation Download Citation

Hyoung-Joon Jin, Seung Jun Myung, Heung Soo Kim, Woochul Jung, and Jaehwan Kim "Silkworm protein: its possibility as an actuator", Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), 616821 (22 March 2006); https://doi.org/10.1117/12.657818

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