An experimental study of grain growth in an Al-Cu eutectic alloy has been made over a temperature range of 440 to 540 degree C and times up to 1006 h. The time exponent n in the kinetic law d equals (Kt)**n (d being grain size at time t and K is a material and temperature dependent constant) for both Al-rich and THETA (CuAl//2) phases are found to be 0. 10. The activation energies for grain growth in these phases are 158 and 148 kJ/mol respectively.

Bhagwati P. Kashyap

Department of Metallurgical & Materials Engineering

IIT Jodhpur

Kris Tangri

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Journal	Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques
ISSN	00443093