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Appl. Sci. 2015, 5(3), 367-379; doi:10.3390/app5030367

An Investigation of the Thermal Expansion Coefficient for Resin Concrete with ZrW2O8

Key Laboratory of Advanced Ceramics and Machining Technology, Ministry of Education, Tianjin University, Tianjin 300072, China
These authors contributed equally to this work.
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Academic Editor: Andrea Paglietti
Received: 23 June 2015 / Revised: 5 August 2015 / Accepted: 6 August 2015 / Published: 14 August 2015
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Abstract

This paper presents a novel resin concrete obtained by adding cubic zirconium tungstate (ZrW2O8) as filler. A prediction algorithm on the thermal expansion coefficient (CTE) of resin concrete (including filler) was established on the basis of the meso-mechanics method and a three-phase model for concrete. The concept of twice mixing was also proposed for prediction accuracy. Then, a 2D and 3D irregular polygon aggregate particles packing model was set up by Matlab and the properties of the packing model were simulated by finite element analysis. Finally, resin concrete samples were made and their CTE were measured. Mix proportion and addition of ZrW2O8 as influencing factors were considered in this experiment. The CTE of resin concrete was verified by comparing results of the prediction model, simulation model and experiment. The optimum CTE obtained from the experiment was 1.504 × 10−6/K. Compared with 6.817 × 10−6/K without ZrW2O8, it was found that the addition of ZrW2O8 to resin concrete can make it perform significantly better in thermal expansion. View Full-Text
Keywords: resin concrete; ZrW2O8 powder; thermal expansion coefficient; prediction model; irregular polygon model resin concrete; ZrW2O8 powder; thermal expansion coefficient; prediction model; irregular polygon model
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lin, K.; Qiu, S.; Lin, B.; Wang, Y. An Investigation of the Thermal Expansion Coefficient for Resin Concrete with ZrW2O8. Appl. Sci. 2015, 5, 367-379.

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