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ABSTRACT

Fracture Toughness of Carbon Nanofiber Reinforced Polylactic Acid at Room and Elevated Temperatures

Y. Shimamura1, Y. Shibata2, K. Tohgo3, H. Araki4

Dept. Mechanical Engineering, Shizuoka University, Japan
Rinnai Corporation, Japan
Dept. Mechanical Engineering, Shizuoka University, Japan
Dept. Mechanical Engineering, Shizuoka University, Japan

The International Conference on Computational & Experimental Engineering and Sciences 2008, 6(3), 189-194. https://doi.org/10.3970/icces.2008.006.189

Abstract

Polylactic acid (PLA) is a biodegradable plastic made from lactic acid, and can be produced by renewable raw materials. The mechanical properties of PLA are, however, not sufficient for structural materials. In our study, carbon nanofiber reinforced PLA was fabricated to overcome the deficiency of PLA and the mechanical properties were measured at room and elevated temperatures. Vapor grown carbon fiber (VGCF) was used for reinforcement. Three point bending specimens were fabricated by using injection molding, and then bending stiffness, bending strength and fracture toughness were measured for amorphous and crystallized specimens. As a result, it is shown that the bending stiffness increases with increasing the weight fraction of VGCF, but the addition of VGCF does not affect the bending strength and fracture toughness.

Cite This Article

APA Style
Shimamura, Y., Shibata, Y., Tohgo, K., Araki, H. (2008). Fracture toughness of carbon nanofiber reinforced polylactic acid at room and elevated temperatures. The International Conference on Computational & Experimental Engineering and Sciences, 6(3), 189-194. https://doi.org/10.3970/icces.2008.006.189
Vancouver Style
Shimamura Y, Shibata Y, Tohgo K, Araki H. Fracture toughness of carbon nanofiber reinforced polylactic acid at room and elevated temperatures. Int Conf Comput Exp Eng Sciences . 2008;6(3):189-194 https://doi.org/10.3970/icces.2008.006.189
IEEE Style
Y. Shimamura, Y. Shibata, K. Tohgo, and H. Araki, “Fracture Toughness of Carbon Nanofiber Reinforced Polylactic Acid at Room and Elevated Temperatures,” Int. Conf. Comput. Exp. Eng. Sciences , vol. 6, no. 3, pp. 189-194, 2008. https://doi.org/10.3970/icces.2008.006.189



cc Copyright © 2008 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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