Development and design of heavy truck engine parts require improved knowledge on solidification kinetics and development of material properties. A suitable tool to handle the complex shape and solidification kinetics is the computer simulation of the casting process. The quality of calculated results is dependent on the thermo-physical proiperties used, boundary condition and the quality of kinetic models implemented for calculation of resulting metallographical structure and material properties. A good quality means a good correlation between simulated and measured properties. The paper will present a casting simulation of a cylinder head in complex shape for a diesel engine cast in grey iron together with results from measured cooling curves and investigated material properties. The values of heat transfer coefficient were calculated for a simple shaped sample, cast in a shell sand mould and used the for simulation of the cylinder head. The calculated and measured cooling curves correlate well, as well as calculated and measured hardness value do. (VDG)
Measurement and simulation of thermal condition and mechanical properties in a complicated shapes cylinder head cast in gray iron
Messung und Simulation der thermischen Bedingungen und der mechanischen Eigenschaften an einem kompliziert geformten Zylinderkopf aus Gusseisen
2000
8 Seiten, 11 Bilder, 2 Tabellen, 2 Quellen
Conference paper
English
Gusseisen mit Lamellengraphit , Dieselmotor , Erstarren , thermische Eigenschaft , physikalische Eigenschaft , Motorteil , mechanische Eigenschaft , Rechnersimulation , experimentelle Untersuchung , Sandguss , Abkühlungskurve , Werkstoffeigenschaft , Produktentwicklung , Zylinderkopf , Wärmeübergangskoeffizient , Theorie-Experiment-Vergleich
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