MATEC Web Conf.
Volume 326, 2020The 17th International Conference on Aluminium Alloys 2020 (ICAA17)
|Number of page(s)||6|
|Section||Thermomechanical Processing, Texture & Recrystallization|
|Published online||05 November 2020|
Temper rolling to control texture and earing in aluminium alloy AA 5050A
1 Hydro Aluminium Rolled Products GmbH, Research and Development Bonn, P.O. Box 2468, D – 53014 Bonn, Germany
2 Hydro Aluminium Rolled Products AS, Technical Customer Service Rolled Products Holmestrand, N – 3081 Holmestrand, Norway
* Corresponding author: firstname.lastname@example.org
The development of crystallographic texture during the thermo-mechanical processing of aluminium sheet is known to result in the formation of pronounced plastic anisotropy, including the well-known earing phenomenon. In the present study we track the evolution of texture, microstructure and earing profiles in sheets of Al alloy AA 5050A during down-stream processing according to a process route resulting in temper H16 after cold rolling and temper H44 after lacquering. This process, which includes interannealing followed by a mild final pass of temper rolling, was designed for producing medium-strength sheet with low earing properties. Besides the experimental characterization of the evolution of microstructure, texture and resulting earing profiles along the process chain, means to optimize the processing by adapting the intermediate thickness are addressed.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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