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<p>Influence of the specific surface area and filler concentration on the coefficient of linear thermal expansion (CLTE) of sintered composites based on high lead fused glass and lead titanate was investigated in order to obtain solder materials offering unusually low CLTE values. The microstructure of compositions was investigated by optical microscopy methods in combination with birefringence testing with a localization of about 1 μm. In samples containing up to 55% PbTiO<sub>3</sub> powder having a specific surface area of less than 560 cm<sup>2</sup>/g, near-zero and even negative values have been achieved.</p>

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Microstructure and Properties of a Glass-Fiber Composite as a Function of the Specific Surface Area of the Lead Titanate Filler

  • 期刊论文

  • 发表日期：

    2025年1月8日

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  • Ya. E. Udinceva,
  • Yu. A. Spiridonov,
  • V. N. Sigaev

摘要

Influence of the specific surface area and filler concentration on the coefficient of linear thermal expansion (CLTE) of sintered composites based on high lead fused glass and lead titanate was investigated in order to obtain solder materials offering unusually low CLTE values. The microstructure of compositions was investigated by optical microscopy methods in combination with birefringence testing with a localization of about 1 μm. In samples containing up to 55% PbTiO3 powder having a specific surface area of less than 560 cm2/g, near-zero and even negative values have been achieved.