Effect of epoxy resin addition on the acoustic impedance, microstructure, dielectric and piezoelectric properties of 1–3 connectivity lead-free barium zirconate titanate ceramic cement-based composites

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Ceramics International Pub Date : 2024-10-18 DOI:10.1016/j.ceramint.2024.10.251

Thanyapon Wittinanon , Rattiyakorn Rianyoi , Ruamporn Potong , Arnon Chaipanich

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Abstract

In this work, 1–3 connectivity barium zirconate titanate ceramic cement-based composites were fabricated using Portland cement and epoxy resin as the matrix. Barium zirconate titanate (BZT) of 40–60 % by volume was used while epoxy was used with cement at 0–7% by volume. Dielectric and piezoelectric properties, and other properties such as acoustic impedance, density and microstructure were investigated. It was found that epoxy resin can be used in combination with BZT to achieve a suitable acoustic impedance value (9–11 × 10⁶ kg/m·s²) matching that of concrete for structural health monitoring application. Thus, when epoxy resin was used at 7 %, BZT volume can be increased to 60 % where the highest d₃₃ value of 93 pC/N was found and remain within the acoustic matching range. In addition, when epoxy resin was increased, both piezoelectric charge coefficient (d₃₃) and piezoelectric voltage coefficient (g₃₃) were also found to increase. This is likely due to the lower porosity thus denser matrix when epoxy resin was used in addition to cement.

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添加环氧树脂对 1-3 连通性无铅锆钛酸钡陶瓷水泥基复合材料的声阻抗、微结构、介电和压电特性的影响

在这项工作中，使用波特兰水泥和环氧树脂作为基体，制作了 1-3 连通性锆钛酸钡陶瓷水泥基复合材料。锆钛酸钡（BZT）的使用比例为 40-60%（体积比），环氧树脂与水泥的使用比例为 0-7%（体积比）。研究了介电性能、压电性能以及声阻抗、密度和微观结构等其他性能。研究发现，环氧树脂与 BZT 结合使用可获得与混凝土相匹配的合适声阻抗值（9-11 × 106 kg/m-s2），用于结构健康监测。因此，当环氧树脂的用量为 7% 时，BZT 的用量可增加到 60%，此时的最高 d33 值为 93 pC/N，且仍在声学匹配范围内。此外，当环氧树脂用量增加时，压电电荷系数（d33）和压电电压系数（g33）也会增加。这可能是由于在水泥中添加环氧树脂后，孔隙率降低，基体更加致密。

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.