Abstract
In this article, composites with polyurea as the matrix were prepared. Fly ash (FA) is a waste product of thermal power stations generated in huge quantities and consists of hollow particles with porous shells. These particles were employed as the filler. The volume fraction and particle size of FA were varied to study their effects on the density and tensile properties of the composites. The tensile tests were performed using an Instron load frame combined with a digital camera. Scanning electron microscopy (SEM) was used to observe the fracture surfaces of the composites. Results indicated that the addition of FA linearly decreased the density of the composites. Tensile stress and elongation at break of all composites decreased with an increasing volume fraction of FA. The moduli at 100 and 300% elongation of the composites with small- or medium-sized FA particles increased up to a certain value and declined with further addition of FA. Fractographic analysis showed that large FA particles were crushed, while finer particles tended to debond.
Similar content being viewed by others
References
Li C, Lua J (2009) Mater Lett 63:877
Roland CM, Casalini R (2007) Polymer 48:5747
Fragiadakis D, Gamache R, Bogoslovov RB, Roland CM (2010) Polymer 51:178
Wikipedia (2010) Polyurea. http://en.wikipedia.org/wiki/Polyurea. Last modified on 31 Aug 2010
Huntsman Knowledgebase (2001) Tuning the properties of polyurea elastomer systems via raw material selection and processing parameter modulation. http://www.huntsman.com
Davini P (2002) Carbon 40:1973
Lu GQ, Do DD (1991) Fuel Process Technol 27:95
Pandey VC, Abhilash PC, Upadhyay RN, Tewari DD (2009) J Hazard Mater 166:255
Fan Y, Yin S, Wen Z, Zhong J (1999) Cem Concr Res 29:467
Papadakis VG, Pedersen EJ (1999) J Mater Sci 34:683. doi:10.1023/A:1004500324744
Gikunoo E, Omotoso E, Oguocha INA (2005) J Mater Sci 40:487. doi:10.1007/s10853-005-6110-6
Wu GH, Huang XL, Dou ZY, Chen S, Jiang LT (2007) J Mater Sci 42:2633. doi:10.1007/s10853-006-1347-2
Wu GH, Dou ZY, Jiang LT, Cao JH (2006) Mater Lett 60:2945
Dou ZY, Jiang LT, Zhang Q, Xiu ZY, Chen GQ (2007) Scr Mater 57:945
Chand N (1988) J Mater Sci Lett 7:36
Kishore, Kulkarni SM, Sharathchandra S, Sunil D (2002) Polym Test 21:763
Srivastava VK, Shembekar PS (1990) J Mater Sci 25:3513. doi:10.1007/BF00575379
Chalivendra VB, Shukla A (2003) J Mater Sci 38:1631. doi:10.1023/A:1023203121299
Alkadasi NN, Hundiwale DG, Kapadi UR (2004) J Appl Polym Sci 91:1322
Gu J, Wu GH, Zhang Q (2007) Scr Mater 57:529
Gu J, Wu GH, Zhang Q (2007) Mater Sci Eng A 452–453:614
Nath DCD, Bandyopadhyay S, Yu A, Zeng QH, Das T, Blackburn D, White C (2009) J Mater Sci 44:6078. doi:10.1007/s10853-009-3839-3
Rohatgi PK, Matsunaga T, Gupta N (2009) J Mater Sci 44:1485. doi:10.1007/s10853-008-3165-1
Qiao J, Amirkhizi A, Schaaf K, Nemat-Nasser S (2011) J Eng Mater Technol 133:011016
Roland CM, Twigg JN, Vu Y, Mott PH (2007) Polymer 48:574
Nielsen LE (1974) Mechanical properties of polymers and composites. Marcel Dekker, New York
Turcsanyi B, Pukanszky B, Tudos F (1988) J Mater Sci Lett 7:160
Acknowledgement
This research has been conducted at the Center of Excellence for Advanced Materials (CEAM) at the University of California, San Diego. The authors would like to acknowledge Prof. Nemat-Nasser and Dr. Amirkhizi for their guidance.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Qiao, J., Wu, G. Tensile properties of fly ash/polyurea composites. J Mater Sci 46, 3935–3941 (2011). https://doi.org/10.1007/s10853-011-5318-x
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10853-011-5318-x