Numerical Simulation of Microstructure Formation and Forecast of Mechanical Properties for Spheroidal Graphite Iron

J Mater Sci Technol ›› 2003, Vol. 19 ›› Issue (Supl.): 13-16.

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Numerical Simulation of Microstructure Formation and Forecast of Mechanical Properties for Spheroidal Graphite Iron

Weimin ZHAO, Shuping HOU, Haipeng LI, Aiwen HU

School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300132, China

Received:1900-01-01 Revised:1900-01-01 Online:2003-12-28 Published:2009-10-10
Contact: Weimin ZHAO

Abstract

Abstract: The numerical simulation can overcome the hardship of mathematical analysis and experimental research, explicate the mechanism of microstructure shaping, predict mechanical properties and operating life of castings and then optimize technology and control microstructure formation to obtain the qualified castings. The finite difference method (FDM) is applied to the simulation of temperature field based on all kinds of nucleation and growth models on all stages of solidification of spheroidal graphite cast iron. Visual C++ is used to program the numerical simulation software, QTstructure-1 to simulate the solidification process of spheroidal graphite cast iron and the formation of all phases in solidification process. Finally, the result of simulation is well agreed with the experimental result.

Key words: Spheroidal graphite iron, Numerical simulation, Finite difference method, Temperature field

Weimin ZHAO, Shuping HOU, Haipeng LI, Aiwen HU. Numerical Simulation of Microstructure Formation and Forecast of Mechanical Properties for Spheroidal Graphite Iron[J]. J Mater Sci Technol, 2003, 19(Supl.): 13-16.

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Numerical Simulation of Microstructure Formation and Forecast of Mechanical Properties for Spheroidal Graphite Iron

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