NUMERICAL-SIMULATION OF SOLIDIFICATION OF MOLTEN ALUMINUM-ALLOYS IN CYLINDRICAL MOLDS uri icon

abstract

  • A finite element model for the solidification of molten metals and alloys in cylindrical molds is developed using the energy equation in terms of temperature and enthalpy. The Newton-Raphson technique was used to solve the resulting nonlinear algebraic equations. A computer program is developed to calculate the enthalpy, temperature, and fraction solid per the classical Lever rule, Scheile equation, and Brody-Flemings models. Cooling curves are calculated for pure metal (aluminum), two eutectic alloys (Al-33.2 pct Cu and Al-12.6 pct Si), and three hypoeutectic alloys (Al-2.2 pct Cu, Al-4.5 pct Cu and Al-7 pct Si) and are compared with the experimental curves. 1993 The Minerals, Metals & Material Society.

published proceedings

  • METALLURGICAL TRANSACTIONS B-PROCESS METALLURGY

author list (cited authors)

  • REDDY, G. S., MASCARENHAS, W. J., & REDDY, J. N.

citation count

  • 8

complete list of authors

  • REDDY, GS||MASCARENHAS, WJ||REDDY, JN

publication date

  • August 1993