Ceramic/Polymeric Hybrids with Reduced Coefficients of Thermal Expansion

Abstract:

The mismatch of the coefficient of the thermal expansion (CTE) is one of the main causes of crack initiation and delamination for carbon fiber-reinforced polymer hybrids and metal/polymer hybrid materials. In this research, a negative CTE ceramic material (zirconium tungstate) was incorporated with a thermoset polymer (bismaleimide) resulting in a ~40% reduction in CTE and a significant improvement in thermal stability. The morphology showed good dispersion of the zirconium tungstate particles within the bismaleimide. Comparisons of the experimental CTE values with the rule-of-mixture and the analytical micromechanical models will be discussed.

• Periodical: Advances in Science and Technology (Volume 63)
• Pages: 120-125
• DOI: https://doi.org/10.4028/www.scientific.net/AST.63.120
• Online since: October 2010
• Authors: Cheng Gang Chen, Kevin H. Hoos, Ming Yung Chen
• Keywords: Bismaleimide, Coefficient of Thermal Expansion, Hybrid, Zirconium Tungstate

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