Proposed new methods for modifying the mechanical characteristics of the artificial stone

Document Type : Original Article

Authors

1 Tarbiat modares university

2 Tarbiat Modares University

Abstract

In this paper, factors affecting the mechanical properties of polymeric granite artificial stone have been investigated. Epoxy resin and three types of additives called Poly ether ether ketone, Silicon rubber, and Nanoclay have been used to make the artificial stone. Unlike previous research on resin alone, this study has been conducted on artificial stone and samples made using these materials. These samples are compared with the control sample and the sample with optimal mechanical characteristics. The method of making artificial stone is that crushed stone blend with resin, and is molded into molds that are defined according to the American Association of Materials and Testing. Samples were made with two percentages of 7.5 and 15 percent to determine the optimum amount of additive. After curing, the sample is subjected to testing. The results obtained from these experiments for artificial stone show that the addition of polyether ether ketone to epoxy resin compressive strength by more than 30%. 7.5wt% of Nanoclay increases more than 6% in compressive strength in epoxy resin. Therefore, the amount of 7.5% by weight of the additive has been selected as the optimum percentage and only this percent is considered in the manufacture of flexural and tensile strength samples. Adding Silicon rubber to the epoxy resin, increases the flexural strength by 7%. Contrary to expectation, Nanoclay reduces flexural strength significantly. By examining the results of the tensile test, it was determined that the addition of silicon to the epoxy resin increased the resistance to 46% . It is concluded that the addition of silicon rubber has been effective in increasing the compressive strength and in increasing the flexural and tensile strength and adding polyether ether ketone.

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References

]1[ امیری، ع. افشارزاده، ا. نیکان سرشت، ر. (1386) سنگ مصنوعی و تکنولوژی ساخت آن، اولین همایش سراسری سنگ­های ساختمانی و صنایع وابسته
[2] K. Krushnamurty, I. Srikanth, B. Rangababu, S. K. Majee, R. Bauri, Ch. Subrahmanyam. (2015). Effect of nanoclay on the toughness of epoxy and mechanical, impact properties of E-glass-epoxy composite. Advanced materials letter, VBRI press, [online] Volume.5, pp 51-85. Available at: www.vbripress.com/aml
[3] J. Aidah, S. Costas, M. Jamaloddin, A. Nurulnanatisya, 2012. Study on the thermal and mechanical proprties of Epoxy-Nanoclay composite, Procediz engineering, Vol.41, pp.1607-1613
[4] A. Bozorgian, M. Navid, M. Abdolreza, 2011. Engineering and Technology word academy of science, Vol. 49, pp. 273-277
[5] J. N. Sultan, F. Mc Garry, (1973). Polymer Engineering, sci, Vol. 13, page. 29
[6] L. You, M. Zhang, G. Dang, Y. Li, X. An, C. Chen, X. Yi, (2011). Toughening of epoxy resin by PEEK with pendant fluorocarbon groups. (Wileyonlinelibrary.com), DOI 10.1002/ app.34292
[7] INSO 16618-15 (2015): Determination of Compressive Strength Method-Test Method.
[8] INSO 16618-2 (2013): Determination of Flexural Strength Method- Test Method.
[9] American Society of Testing and Materials “Standard Test Methods of Flexural Strength of Concrete.” ASTM., Philadelphia, 1979, ASTM C293 - 79

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History

  • Receive Date: 05 October 2018
  • Revise Date: 02 March 2019
  • Accept Date: 09 March 2019

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