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Investigation of Hydrogen and Nitrogen Content in Compacted Graphite Iron Production
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The aim of this research, part of a wider program called SPOFIC, is to investigate how the casting procedure affects the concentration of hydrogen and nitrogen gases in Compacted Graphite Iron used for the production of truck cylinder blocks. Hydris equipment was used for the Hydrogen measurements and the Optical Emission Spectroscopy and combustion analysis methods were used for the nitrogen measurements. The experiment was performed in one of the cooperating foundries. It was found that Hydrogen content is increased during pouring of the melt into the mold but nitrogen content does not seem to be effected by the process. In both cases the gas content never exceeded the solubility limit. The results are comparable with results from similar researches regarding Gray Cast Iron.

Place, publisher, year, edition, pages
2013.
Keyword [en]
CGI, Compacted Graphite Iron, Hydrogen, Nitrogen, Hydris
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-119086OAI: oai:DiVA.org:kth-119086DiVA: diva2:609489
Presentation
2013-02-22, Stockholm, 13:00 (English)
Uppsok
Technology
Supervisors
Examiners
Projects
SPOFIC
Available from: 2013-03-25 Created: 2013-03-05 Last updated: 2013-03-25Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf