Influence of BNBK Particle Size on Properties of 0-3 Lead-Free BNBK Ceramic-Portland Cement Composites

Abstract:

The 0-3 lead-free bismuth sodium titanate-bismuth potassium titanate-barium titanate (BNBK) ceramic/Portland cement composites (PC) were fabricated by pressing and curing method. The influence of BNBK particle size on the dielectric and acoustic properties of 0-3 BNBK-PC composites was studied. BNBK of various median particle sizes (75, 212 and 425 μm) at 50% by volume were mixed with Portland cement to produce the 0-3 BNBK-PC composites. The dielectric constant results of composites were found to increase with increasing BNBK particle size and the dielectric constant of composite with 425 μm particle size at 1 kHz was 196. The 0-3 BNBK-PC composites in the range tested have an acoustic impedance match with concrete structure.

• Periodical: Applied Mechanics and Materials (Volume 866)
• Pages: 183-186
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.866.183
• Online since: June 2017
• Authors: Ruamporn Potong*, Rattiyakorn Rianyoi, Athipong Ngamjarurojana, Arnon Chaipanich
• Keywords: BNBK Particle Sizes, Cement, Composite

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