An Estimation of the Crack Growth Mechanism in the Coking Process: The behavior of fracture mechanics parameter

Hiroyuki Yoshino, Hiroshi Sato, Hiroshi Nogami, Takatoshi Miura

研究成果: Article査読

7 被引用数 (Scopus)

抄録

The behavior of the fracture mechanics parameter is studied by the estimated thermal stress distribution of the coke fissure in the initial stage of carbonization where the incremental theory is applied, and the CTOD (Crack Tip Opening Displacement) is evaluated as the parameter. The predicted CTOD is in good agreement with the experimental results, in which the CTOD increased with the heating rate. Furthermore, a sharp increase in CTOD is predicted near the transition point from the first maximum point of contraction coefficient of coke to the second maximum point, at which point the fissure on the coke surface would be produced. The predicted stress intensity factor derived from the thermal stress distribution near the fissure also increases with the heating rate and its behavior follows the experimental results.

本文言語English
ページ(範囲)775-780
ページ数6
ジャーナルkagaku kogaku ronbunshu
17
4
DOI
出版ステータスPublished - 1991

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)

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