Abstract

This paper employs the isothermal compression method to study the forging process of new aluminum alloy and analyzes its law of thermal deformation behavior at the temperature of 400~550°C and the strain rate of 1~-10-3s-1. It is found that flow stress is correlated with the temperature and strain rate and that the stress level decreases with the increase of temperature and the decrease of strain rate. This reveals the evolution law of the microstructure of the aluminum alloy in thermal deformation and lays a foundation for the subsequent studies and optimizationof the forging process.

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