Abstract
As the disposal of fly ash (FA) poses a serious problem in terms of land use and potential environmental pollution, there exists a global interest for its utilization. Utilization of fly ash as filler material in polymer composites is considered important from both economic and commercial point of view. In this communication, the effective thermal conductivity and coefficient of thermal expansion (CTE) of composites synthesized with fly ash filler embedded in high-density polyethylene (HDPE) matrix is investigated. Incorporation of fly ash in HDPE enhances both the thermal stability and the effective thermal conductivity of the composites. CTE, however, significantly decreases as the FA content increases in HDPE. Effective thermal conductivity for HDPE containing 70-volume fraction (%) fly ash becomes almost twice than that for unfilled HDPE. Results on both the effective thermal conductivity and CTE of HDPE/FA composites have been discussed in light of various theoretical models. Our analysis indicates formation of conductive channels of FA particulates in HDPE, which causes rapid enhancement in the effective thermal conductivity of the HDPE/FA composites. We also confirm the importance of the role of the interphase volume and the strength of the polymer — filler interactions to successfully predict the CTE of HDPE/FA composites.
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G J McCarthy, F P Glasser and D M Roy Mater. Res. Soc. Symp Proc — Mater Research Society, Pittsburgh, Pa, 65 (1985)
R Mohapatra and J Rajagopala Rao J Chem. Tech. Biotechnology 76 9 (2001).
Y M Fan, S H Yin, Z Y Wen and J Y Zhong Cem. Concr. Res. 29 467 (1999)
B Indraratana, P Nutalaya, K S Koo and N Kuganenthira Can Geotech. J 28 542 (1991)
S Stryczek and J Postwa Gornictwo 13 5 (1989)
P Padmakaran, C B Raju and A S Rao Clay. Res. 13 30 (1994)
www.teriin.org/energy/flyash.htm. (2005)
N Chand J. Mater. Sci. Lett. 7 36 (1988)
N Chand, T K Dan, S Verma and P K Rohatgi J. Mater. Sci. Lett. 6 733 (1987)
U Atikler, D Basalp and F Tihminlioglu J. Poly. Sci. 102 4460 (2006)
X Colom, F Carrasc, P Pages and J. Canavate Comp. Sci. Tech. 63 161 (2003)
A R R Menon, T A Sonia and J D Sudha J. Appl. Poly. Sci. 102 4801 (2006)
S A R Hashmi, P Sharma and N Chand J. Appl. Poly. Sci. 107 2196 (2008)
W Zhou, S Qi, H Li and S Shao Thermo Chimica Acta 452 36 (2007)
T Chaowasakoo and N Sombatsompo Comp. Sci. Tech. 67 2282 (2007)
D Kulutas and I H Tavman J. Thermoplastic Compo Materials 19 441 (2006)
Y P Mammya, V V Davydenko, P Pissis and E V Lebedev European Pol. J. 38 1887 (2002)
I H Tavman J. Appl. Pol. Sci. 62 2161 (1996)
S Mishra, S H Sonawane, N Badgujar, K Gaurav and D Patil J. Appl. Pol. Sci. 96 6 (2005)
Kishore, S M Kulkarni, D Sunil and S Sharathchandra Poly. Int. 51 1378 (2002)
S Bose and P A Mahanwar J Minerals Materials Characterization Engineering 3 65 (2004)
S C Raghavendra, S Khasim, M Revanasiddappa, M V M Ambika Prasad and A B Kulkarni Bull. Mat. Sci. 26 273 (2003)
R N Sener, Y Li, D J White and P R Lee Resour. Conserv. Recycl. 24 87 (1998)
X Huang, J Y Hwang and J M Gills J. Miner. Mater. Character. Eng. 2 11 (2003)
C Alkan, M Arslan, M Cici, M Kaya and M Aksoy Resour. Conserv. Recycl. 13 147 (1995)
X G Chen, J D Guo, B Zheng, Y Li, S Y Fu and G H He Compos. Sc. Tech. 67 3006 (2007)
C P Wong and R S Bollamampally J. Appl. Poly. Sc. 74 3396 (1999)
S Yu, P Hing and X Hu J. Phys D: Appl. Phys. 33 1606 (2000)
I H Tavman Powder Technology 91 63 (1997)
D Kumlutas, I H Tavman and M T Coban Comp. Sci. Technol. 63 113 (2003)
N M Sofian, M Rusu, R Neagu and E Neagu J. Thermoplastic Compos. Materials 14 20 (2001)
R J Kuriber and M K Alam Expt. Heat Transfer 15 19 (2002)
A Loachachi, M Cochez, M Ferriol, J M Lopez-Cuesta and E Leroy Mat. Letts. 59 36 (2005)
R K Goyal, A N Tiwari, U P Mulik and Y S Negi Comp. Sci. Technol. 17 1802 (2007)
H S Carslaw and J C Jaeger Conduction of Heat in Solids (2nd ed), (Cambridge University Press) (1959)
H J Ott Plastic and Rubber Processing and Application 1 9 (1981)
R C Progelhof, J L Throne and R R Ruetsch Polymer Engg. Sci. 16 615 (1976)
J C Maxwell A Treatise on Electricity and Magnetism. (3rd ed.) (New York: Dover) (1954)
R E Meredith and C W Tobias Advances in electrochemistry and electrochemical engineering. (New York: Willey (Interscience publishers)) 2 15 (1962)
H W Russell J. Am. Ceram. Soc. 18 1 (1935)
L E Nielsen Ind. Eng. Chem. Fundam 13 17 (1974)
S C Cheng and R L Vachon Int. J. Heat Mass Trans. 11 537 (1990)
Y Agari and T Uno J. Appl. Polym. Sci. 32 5705 (1986)
W Zhou, S I, Q An, H Zhao and N Liu Mat. Res. Bull 42 1663 (2007)
C-M Ye, B-Q Shentu and Z-X Weng J. Appl. Poly Sc. 101 3806 (2006)
E-S Lee, S-M Lee, D J Shanefield and W R Cannon J. Am. Ceramic Soc. 91 1169 (2008)
X Lu and G Xu J. Appl. Poly. Sc. 65 2733 (1997)
M Orrhede, R Tolani and K Salama Res. Nondestr. Eval. 8 23 (1996)
H Kerner Proc. Phys. Soc. B 69 808 (1956)
K Balch, T J Fitzgerald, V J Michaud, A Mortensen, Y L Shen, S Suresh Metall. Mater. Trans. A27 3700 (1996)
R A Schapery J. Compos. Mater. 2 380 (1968)
Z Hashim and S Shtrikman J. Mech. Phys. Solids 11 127 (1963)
H T Vo, M Todd, F G Shi, A A Shapiro and M Edwards Microelectronics J. 32 331 (2001)
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Baglari, S., Kole, M. & Dey, T.K. Effective thermal conductivity and coefficient of linear thermal expansion of high-density polyethylene — fly ash composites. Indian J Phys 85, 559–573 (2011). https://doi.org/10.1007/s12648-011-0059-x
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DOI: https://doi.org/10.1007/s12648-011-0059-x