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http://dx.doi.org/10.7317/pk.2012.36.2.229

Empirical Study on the Effects of the Content and the Orientation of the Disk Shape Fillers on the Modulus of PP Composites  

Seo, Sang-Bum (Dongbu Create and Innovate Institute)
Lee, Yong-Hyun (Department of Polymer Science and Engineering, Chungnam National University)
Jeoung, Sun-Kyoung (Korea Automotive Technology Institute)
Lee, Seung-Goo (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University)
Lee, Kee-Yoon (Department of Polymer Science and Engineering, Chungnam National University)
Publication Information
Polymer(Korea) / v.36, no.2, 2012 , pp. 229-234 More about this Journal
Abstract
This paper studied the effects of the content and the orientation of the disk shape fillers on the modulus of PP composites. The experimental results were compared with the theoretical calculations which included the three dimensional ellipsoids and analyzed by two aspect ratios, ${\rho}_{\alpha}=a_1/a_3$and ${\rho}_{\beta}=a_1/a_2$proposed by Lee and his researchers. Mica and talc were used as disk shape fillers in the composites. The shapes of mica and talc were observed by SEM and aspect ratios were statistically calculated. For the case of mica, the average aspect ratios were ${\rho}_{\alpha}=13.5$ and ${\rho}_{\beta}=1.8$, and for the case of talc, they were ${\rho}_{\alpha}=3.8$ and ${\rho}_{\beta}=1.4$. Also, the effects of two aspect ratios and the content of filler on the mechanical properties were studied: For 30 wt% of mica, $E_{11}$ increased up to about 2.7 times, and for the other case of talc, $E_{11}$ increased up to about 2.3 times, respectively.
Keywords
modulus; composite; aspect ratio; polypropylene; mica; talc;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 1  (Related Records In Web of Science)
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1 T. Mura, Micromechanics of Defects in Solids, 2nd Ed., The Hague Martinus Nijhoff, p.74 (1987).
2 C. L. Tucker and E. Liang, Compos. Sci. Technol., 59, 655 (1999).   DOI   ScienceOn
3 P. J. Yoon, T. D. Fornes, and D. R. Paul, Polymer, 43, 6727 (2002).   DOI   ScienceOn
4 H. S. Lee, P. D. Fasulo, W. R. Rodgers, and D. R. Paul, Polymer, 46, 11673 (2005).   DOI   ScienceOn
5 D. V. Howe and J. E. Mark, Polymer Data Handbook, Oxford University Press, New York, 1998.
6 S. M. Lee, International Encylopedia of Composites, 5, 27 (1997).
7 J. W. Foulk III, P. A. Klein, and E. P. Chen, A Three- Dimensional Validation of Crack Curvature in Muscovite Mica, J. C. Hill Carnegie Mellon University, Pittsburgh, 2001.
8 J. M. Kim, S. K. Jeoung, J. H. Shim, H. Y. Hwang, and K. Y. Lee, Polymer(Korea), 34, 346 (2010).
9 H. Y. Hwang, S. K. Jeoung, J. H. Shim, J. M. Kim, and K. Y. Lee, Polymer(Korea), 34, 352 (2010).
10 J. D. Eshelby, Proc. Roy. Soc. Lond., A241, 376 (1957).
11 T. Mori and K. Tanaka, Acta Metall., 21, 571 (1963).
12 J. C. Halpin, Primer on Composite Materials Analysis, Technomic Pub. Co. Inc., Lancaster, 1992.
13 G. P. Tandon and G. J. Weng, Polym. Compos., 5, 327 (1984).   DOI   ScienceOn
14 K. Y. Lee and D. R. Paul, Polymer, 46, 9064 (2005).   DOI   ScienceOn
15 K. Y. Lee, K. H. Kim, S. K. Jeoung, S. I. Ju, J. H. Shim, N. H. Kim, S. G. Lee, S. M. Lee, J. K. Lee, and D. R. Paul, Polymer, 48, 4174 (2007).   DOI   ScienceOn
16 R. Hill, J. Mech. Phys. Solids, 12, 199 (1964).   DOI   ScienceOn
17 K. Y. Lee, S. R. Hong, S. K. Jeoung, N. H. Kim, S. G. Lee, and D. R. Paul, Polymer, 49, 2146 (2008).   DOI   ScienceOn