Ewaluation and analysis of the large-size forged and rolled en AW – 7057 alumminum alloy ring structure

Abstract

The article presents the results of tests on the structure and hardness of a large-size ring made of EN AW - 7075 aluminium alloy produced under industrial conditions at the Zarmen FPA forge according to the developed technology - a combined forging and rolling method. Studies of the ring were carried out in order to assess its structure and hardness after the forming processes. The scope of the study included microscopic observations (microstructure and EDS), X-ray phase analysis and hardness distribution measurements.

Keywords

• aluminium 7075
• forged
• rolled rings
• microstructure
• hardness