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Mechanical properties of solid solution strengthened CGI
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0003-2698-5445
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
Swerea SWECAST AB, Materials and Process Development P.O. Box 2033, SE-550 02 Jönköping, Sweden.
Scania CV AB, Materials Technology, SE-151 87 Södertälje, Sweden.
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2014 (English)Conference paper, Published paper (Refereed)
Abstract [en]

The development of high-performing components is crucial in applications such as heavy vehicleautomotive powertrains. In these applications, strength, weight and thermal conductivity isessential properties. Key materials that may fulfil these requirements include cast irons of differentgrades where in terms of manufacturability and in particular, machinability pearlitic grades aredifficult due to hardness variation, where a fully ferritic matrix would provide an advantage. Toachieve maximum strength a fully ferritic and solid solution strengthened compacted graphite iron(CGI) would provide an interesting alternative to the automotive industry. In the current study, theeffect of Si level on mechanical properties in a fully ferritic material was investigated. The influenceof section thickness on tensile properties and hardness was investigated. The resulting materialwas fully ferritic with limited pearlite content. Section thickness influence on nodularity and hencethe mechanical properties were also investigated.

Place, publisher, year, edition, pages
2014.
Keyword [en]
compacted graphite iron, high Si ferritic CGI, mechanical properties, solution hardening, ferrite
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-25198OAI: oai:DiVA.org:hj-25198DiVA: diva2:767204
Conference
10th International Symposium on the Science and Processing of Cast Iron – SPCI10
Funder
Vinnova, DNR 2012_137 2.4.2
Available from: 2014-12-01 Created: 2014-12-01 Last updated: 2014-12-09Bibliographically approved

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