Surface formation on VDC casting

Bainbridge, I. F., Taylor, J. A. and Dahle, A. K. (2013). Surface formation on VDC casting. In John F. Grandfield and Dmitry G. Eskin (Ed.), Cast Shop for Aluminum Production (pp. 783-788) Hoboken, NJ, USA: John Wiley & Sons. doi:10.1002/9781118647783.ch98

Author Bainbridge, I. F.
Taylor, J. A.
Dahle, A. K.
Title of chapter Surface formation on VDC casting
Title of book Cast Shop for Aluminum Production
Place of Publication Hoboken, NJ, USA
Publisher John Wiley & Sons
Publication Year 2013
Sub-type Research book chapter (original research)
DOI 10.1002/9781118647783.ch98
Open Access Status
Series Essential Readings in Light Metals
ISBN 9781118635711
Editor John F. Grandfield
Dmitry G. Eskin
Volume number 3
Start page 783
End page 788
Total pages 6
Collection year 2014
Language eng
Formatted Abstract/Summary
A range of surface defects commonly formed on vertical direct chill (VDC) cast products have been examined by various metallographic techniques. Whilst the presently accepted model for the formation of cold folds on the cast surface can be reconciled to the details observed in these examined samples, the suggested explanations for the formation of other common surface defects could not. This paper describes current research efforts aimed at measuring the strength of the molten aluminium alloy oxide skin under various conditions. This data is used as the basis for understanding the behaviour of the melt surface in the meniscus region of a VDC mould during casting. The results obtained from the surface skin strength tests and the metallographic examination of the cast samples are discussed and a framework of possible factors responsible for the formation of various surface defects is proposed.
Keyword VDC
Surface tension
Skin strength
Q-Index Code BX
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Book Chapter
Collections: School of Mechanical & Mining Engineering Publications
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Created: Mon, 03 Feb 2014, 15:55:02 EST by Katie Gollschewski on behalf of School of Mechanical and Mining Engineering