Mold crack formation of the funnel shaped mold during thin slab casting

U. Sok Yoon, Joong Kil Park, Brian Thomas, Indira Samarasekera

Research output: Contribution to journalConference articlepeer-review

Abstract

The formation of cracks in a funnel mold for casting of thin slabs was studied using metallographic studies and mathematical models. It was found that the initiation of crack is associated with the formation of brittle compound relative to the matrix. Scale deposition at the slot just below the meniscus increased the hot face temperature of copper plate. The slot depth of funnel mold has variable distance from the hot face and the range of slot-depth is 25-28mm in the funnel transition area. By removing the tension bolt near the crack occurrence region, service life of copper plate increased 3 times, indicating that stress concentration is the main cause of copper plate cracks.

Original languageEnglish (US)
Pages (from-to)245-257
Number of pages13
JournalSteelmaking Conference Proceedings
Volume85
StatePublished - Jan 1 2002
Event85th Steelmaking Conference proceedings - Nashville, TN, United States
Duration: Mar 10 2002Mar 13 2002

Keywords

  • Copper plate crack
  • Funnel shaped mold
  • Thin slab casting

ASJC Scopus subject areas

  • Metals and Alloys

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