High-performance alloying double zero aluminum foil production technology research results（2）
2017/5/5 15:45:12
(2) the results of an 8006 alloy double zero foil test
In order to be able to effectively improve the surface quality of aluminum foil products, reduce the number of pinhole and improve mechanical properties, in these areas is relatively to the number of 8006 alloy on the double zero foil production process of experimental research. Based on the experiment of 1235 alloy and 8011 alloy, the process of production of 8006 alloy was also applied to different intermediate annealing technology. At the beginning of the test, the strain hardening of 8006 alloy, the technological parameters of rolling exploration, through the research of the mechanical properties of the product annealed industrial annealing test process for making, mass production test. The first annealing process was 20 hours of warming, 300 degrees Celsius x15 hours and 20 hours. The second annealing process is 30 hours, 300 degrees x40, 30 hours. By experiment, the aluminum foil products can maintain the tensile strength of 110MPa, regardless of the annealing process. Therefore, the mechanical properties of the alloy and 8011 alloy are improved, and the elongation rate is stable.
Through the above experiments, choose to use 8006 alloy for subsequent experiments, the production process in accordance with 0.4, 0.2, 0.11, 0.06, 0.029, 0.06, 0.029 millimeter order rolling. Through the whole process of tracking and parameter record, you can see that 8006 alloy with better mechanical properties, production technology and production speed is faster than 1235 alloy and 8011 alloy, to improve the production efficiency. Thereafter, to zero state o. 4 mm aluminum foil wool, as well as the production process of wool was carried out for each sample, respectively through mechanical properties test, and then the strip shape quality, number of pinhole and the surface quality was evaluated, thus understand the 8006 alloy from 0.4 mm to 0.0064 mm finally finished in the process of work hardening, surface quality and mechanical properties of change.
Of 1235 alloy, alloy 8011, 8006 alloy double zero foil experimental comparison, discovered the wool used in the homogenizing annealing and intermediate annealing process, the number of 8006 alloy double zero foil pinhole, at least can control within 100 per square meter, 8011 alloy double zero foil pinhole, the amount is about 1000 per square metre. In surface quality, 8011 alloy and 8006 alloy double zero foil are ideal. The mechanical properties of 8011 alloys and 8006 alloys are also high in mechanical properties, which can be maintained above 80MPa, while the mechanical properties of the 1235 alloy double zero foil are poor.