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Influence of inoculation on shrinkage defects in spheroidal graphite cast iron
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
2013 (English)In: International Journal of Cast Metals Research, ISSN 1364-0461, Vol. 26, no 4, 220-227 p.Article in journal (Refereed) Published
Abstract [en]

Defective castings produce unnecessary costs for foundries. Common flaw in spheroidal graphite cast iron castings are shrinkage defects. In literature it is suggested that by controlling the graphite precipitation it is possible to suppress the shrinkage propensity of the melt. The most influential way of effecting the graphite precipitation is inoculation. In this work the effectiveness of different commercial inoculant products and inoculation methods in reducing the shrinkage defects on cast component were researched. Significant difference in performance was observed between ladle and stream inoculation methods in preference of stream inoculation. Differences were also seen between different inoculants and how they behaved in combinations when ladle and stream inoculants were added simultaneously. It was observed that not all of the combinations were beneficial. In order to decrease the cost caused by shrinkage defects a proper selection of inoculation method and inoculant is of importance.

Place, publisher, year, edition, pages
2013. Vol. 26, no 4, 220-227 p.
Keyword [en]
spheroidal graphite cast iron, shrinkage defects, microshrinkage, graphite, inoculation
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-20854DOI: 10.1179/1743133613Y.0000000057OAI: oai:DiVA.org:hj-20854DiVA: diva2:611670
Projects
YMPA - Kvalitetsstyrning vid tillverkning av gjutjärnskomponenter
Funder
Knowledge Foundation, 20080660
Available from: 2013-03-18 Created: 2013-03-18 Last updated: 2013-09-11Bibliographically approved

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Soivio, KaisuElmquist, Lennart
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CiteExportLink to record
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Citation style
  • apa
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  • modern-language-association-8th-edition
  • vancouver
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More styles
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  • de-DE
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  • nn-NB
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  • Other locale
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