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<p>This article examines the synthesis and properties of a composite ceramic material based on a glass with the composition 31.0BaO – 30.0B<sub>2</sub>O<sub>3</sub> – 15.0Al<sub>2</sub>O<sub>3</sub> – 7.0SiO<sub>2</sub> – 6.8MgO – 5.9ZnO – 4.3MgF<sub>2</sub> (mol.%) and an Al<sub>2</sub>O<sub>3</sub> filler. The composite ceramic, prepared with an initial glass-to-Al<sub>2</sub>O<sub>3</sub> mass ratio of 60 : 40 and sintered at 875°C, exhibits a relative permittivity ε<sub><i>r</i></sub> of 8.62 and a loss tangent tan δ of 12.1 × 10 <sup>–4</sup> at 1 MHz. The material demonstrates a flexural strength of 117.5 MPa, a coefficient of linear thermal expansion (CLTE) of 69.7 × 10 <sup>–7</sup> K <sup>– 1</sup>, and chemical compatibility with silver electrodes. These properties suggest its applicability in low-temperature co-fired ceramic (LTCC) technology.</p>

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Composite Material Based on Oxyfluoride Barium Boron-Aluminosilicate Glass and Al2o3 for LTCC Technology

  • 期刊论文

  • 发表日期：

    2025年5月16日

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  • A. K. Kostanyan,
  • H. G. Manukyan,
  • K. A. Sargsyan,
  • G. S. Karakhanyan,
  • H. A. Alexanyan,
  • N. B. Knyazyan

摘要

This article examines the synthesis and properties of a composite ceramic material based on a glass with the composition 31.0BaO – 30.0B2O3 – 15.0Al2O3 – 7.0SiO2 – 6.8MgO – 5.9ZnO – 4.3MgF2 (mol.%) and an Al2O3 filler. The composite ceramic, prepared with an initial glass-to-Al2O3 mass ratio of 60 : 40 and sintered at 875°C, exhibits a relative permittivity εr of 8.62 and a loss tangent tan δ of 12.1 × 10 –4 at 1 MHz. The material demonstrates a flexural strength of 117.5 MPa, a coefficient of linear thermal expansion (CLTE) of 69.7 × 10 –7 K – 1, and chemical compatibility with silver electrodes. These properties suggest its applicability in low-temperature co-fired ceramic (LTCC) technology.