Solid-liquid interfacial energy for solid succinonitrile in equilibrium with succinonitrile dichlorobenzene eutectic liquid

Ocak Y., Akbulut S., Böyük U., Erol M., Keşlioǧlu K., Maraşlı N.

Thermochimica Acta, cilt.445, sa.1, ss.86-91, 2006 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 445 Sayı: 1
  • Basım Tarihi: 2006
  • Doi Numarası: 10.1016/j.tca.2006.03.014
  • Dergi Adı: Thermochimica Acta
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.86-91
  • Anahtar Kelimeler: crystal growth, eutectic solidification, interfacial energy, grain boundary energy, thermal conductivity
  • İstanbul Gelişim Üniversitesi Adresli: Hayır

Özet

The equilibrated grain boundary groove shapes for solid succinonitrile (SCN) in equilibrium with the succinonitrile (SCN) dichlorobenzene (DCB) eutectic liquid were directly observed. From the observed grain boundary groove shapes, the Gibbs-Thomson coefficient and solid-liquid interfacial energy for solid SCN in equilibrium with the SCN DCB eutectic liquid have been determined to be (5.43 ± 0.27) × 10-8 K m and (7.95 ± 0.80) × 10-3 J m-2 with present numerical method and Gibbs-Thomson equation, respectively. The grain boundary energy of SCN rich phase of the SCN DCB eutectic system has been determined to be (14.77 ± 1.77) × 10-3 J m-2 from the observed grain boundary groove shapes. Thermal conductivity of eutectic solid phase and eutectic liquid phase at the eutectic melting temperature have also been measured to be 0.269 and 0.231 W/K m, respectively. © 2006 Elsevier B.V. All rights reserved.