Thermal diffusivities of continuous casting powders for steel at high temperature

Y. Waseda, M. Masuda, K. Watanabe, H. Shibata, H. Ohta, K. Nakajima

研究成果: Article査読

27 被引用数 (Scopus)

抄録

Thermal diffusivity measurements of continuous casting powders for steel have systematically been carried out at high temperature by the laser flash method. The powder samples consist of SiO2 Al2O3, MgO, CaO, Na20 and CaF2 with the addition of TiO2, zro2,HfO2or iron oxide. At higher temperature, the measured values obtained by the laser flash method are known to involve, more or less, the contribution due to radiative component. Therefore, the thermal diffusivities of continuous casting powders for steel were estimated with sufficient reliability by separating such radiative component from measured values after due consideration for the variation of their absorption coefficients. The correction for radiative component is significant in samples including TiO2, ZrO2 iron oxide, because these samples show the significant variation in the absorption coefficients.

本文言語English
ページ(範囲)267-276
ページ数10
ジャーナルHigh Temperature Materials and Processes
13
4
DOI
出版ステータスPublished - 1994 12
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 物理化学および理論化学

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