In response to OEM demands for more durable cylinder block and head materials, Tupy Fundiceos (Brasilien) has developed process capability for series production of compacted graphite iron (CGI). Prototype CGI block and head castings have provided 90 % increase in tensile strength and 40 % increase in elastic modulus relative to the production gray iron castings. The present paper provides an overview of the properties of CGI and the process control requirements for the production of low nodularity CGI microstructures without the use of titanium and without the risk of flake graphite formation. Product results are provided for fourteen different automotive castings. (VDG)
Production experience with compacted graphite iron automotive components
Produktionserfahrung mit Gußeisen mit Vermiculargraphit für Kraftfahrzeugkomponenten
2001
11 Seiten, 10 Bilder, 3 Tabellen, 3 Quellen
Aufsatz (Konferenz)
Englisch
ASTM-Norm , Autoindustrie , Brinell-Härte , Bruchdehnung , Dehngrenze , Dichte (Masse) , Elastizitätsmodul , Gusseisen mit Vermiculargraphit , mechanische Eigenschaft , Mikrogefüge , Serienfertigung , Temperaturabhängigkeit , thermischer Ausdehnungskoeffizient , Wärmeleitfähigkeit , Zugeigenschaft , Zylinderkopf , Motorteil , Zylinderblock
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