Effects of Electric Discharge Plasma Treatment on the Thermal Conductivity of Polymer–Metal Nitride/Carbide Composites

PARALI L., Kurbanov M. A., Bayramov A. A., Tatardar F. N., Sultanakhmedova R. I., Xanlar H. G.

Journal of Electronic Materials, cilt.44, sa.11, ss.4322-4333, 2015 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 44 Sayı: 11
  • Basım Tarihi: 2015
  • Doi Numarası: 10.1007/s11664-015-4010-3
  • Dergi Adı: Journal of Electronic Materials
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.4322-4333
  • Anahtar Kelimeler: Thermal conductivity, polymer-metal nitride/carbide composites, electric discharge plasma
  • Manisa Celal Bayar Üniversitesi Adresli: Evet

Özet

High-density polymer composites with semiconductor or dielectric fillers such as aluminum nitride (AIN), aluminum oxide (Al2O3), titanium carbide (TiC), titanium nitride (TiN), boron nitride (BN), silicon nitride (Si3N4), and titanium carbonitride (TiCN) were prepared by the hot pressing method. Each powder phase of the composites was exposed to an electric discharge plasma process before composite formation. The effects of the electric discharge plasma process and the filler content (volume fraction) on the thermal conductivity, volt–ampere characteristics, thermally stimulated depolarization current, as well as electrical and mechanical strength were investigated. The results of the study indicate that, with increasing filler volume fraction, the thermal conductivity of the samples also increased. Furthermore, the thermal conductivity, and electrophysical and mechanical properties of the high-density polyethylene + 70% BN composite modified using the electric discharge plasma showed improvement when compared with that without electric discharge plasma treatment.