Characterization of piezoelectric effect and mechanical properties of cellulose based electro-active paper actuator

Heung Soo Kim; Woochul Jung; Jaehwan Kim; Chulho Yang; Kyung Hoon Song

doi:10.1117/12.657813

6 April 2006 Characterization of piezoelectric effect and mechanical properties of cellulose based electro-active paper actuator

Heung Soo Kim, Woochul Jung, Jaehwan Kim, Chulho Yang, Kyung Hoon Song

Author Affiliations +

Proceedings Volume 6170, Smart Structures and Materials 2006: Active Materials: Behavior and Mechanics; 61701N (2006) https://doi.org/10.1117/12.657813
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

In this paper, mechanical properties and piezoelectric effects of cellulose based Electro-Active Paper (EAPap) actuators were investigated. Typical pulling tests of cellulose paper, which is a basic material of EAPap actuator, showed distinct elastic modulus and bifurcation point followed by plastic modulus at ambient conditions. The mechanism of this distinct phenomenon was examined to obtain better understanding of EAPap actuator. After that, in-plane strain of EAPap actuator under constant electric field was experimentally investigated to understand piezoelectricity of EAPap. EAPap samples were made by coating very thin gold electrodes on both sides of cellophane film. When external DC voltages were applied, in-plane contractions were induced due to the converse piezoelectric effect of EAPap. It was observed that the EAPap sample with 45° orientation exhibited the largest in-plane strain compared to other orientation samples.

Citation Download Citation

Heung Soo Kim, Woochul Jung, Jaehwan Kim, Chulho Yang, and Kyung Hoon Song "Characterization of piezoelectric effect and mechanical properties of cellulose based electro-active paper actuator", Proc. SPIE 6170, Smart Structures and Materials 2006: Active Materials: Behavior and Mechanics, 61701N (6 April 2006); https://doi.org/10.1117/12.657813

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