A design methodology for casting ladle to minimize air entrapment and oxide inclusion: An application to permanent mold casting process

Jaehoon Choi, Taekyung Kim, Hoyoung Hwang, Shinill Kang

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In this study, we proposed a design methodology for a ladle with flow characteristics that minimize air entrapment and oxidation during the pouring of molten aluminum in the casting process, and experimentally analyzed how filling behavior affects the porosity and mechanical properties of the cast product. To confirm the validity of the proposed ladle design, we performed a numerical analysis based on the solution algorithm for transient fluid flow to investigate mold filling behavior using the proposed ladle. We fabricated a ladle based on the design, and gravity cast the test specimens. Computed tomography was used to analyze the effects of the ladle’s pouring characteristics on porosity. Tensile tests were performed to evaluate the mechanical properties of cast specimens. The designed ladle reduced casting porosity and improved the mechanical properties of the cast product.

Original languageEnglish
Pages (from-to)2562-2568
Number of pages7
JournalMaterials Transactions
Volume60
Issue number12
DOIs
Publication statusPublished - 2019

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) (2015R1A5A1037668) and the Ministry of Trade, Industry and Energy (Grant N0002310).

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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