Evolution of microstructure and mechanical properties of Al 6061 alloy tube in cyclic rotating bending process

2016 ◽  
Vol 676 ◽  
pp. 80-87 ◽  
Author(s):  
Zicheng Zhang ◽  
Shuai Shao ◽  
Ken-ichi Manabe ◽  
Xiangwei Kong ◽  
Yanmei Li
Keyword(s):  
Mechanical Properties ◽  
Al 6061 ◽  
Alloy Tube ◽  
Microstructure And Mechanical Properties ◽  
Bending Process ◽  
Rotating Bending ◽  
Evolution Of Microstructure

Development of Cyclic Rotating Bending Process for Microstructure Control of AZ31 Magnesium Alloy Tube

2013 ◽  
Vol 652-654 ◽  
pp. 1956-1960 ◽  
Author(s):  
Zi Cheng Zhang ◽  
Kenichi Manabe ◽  
Tsuyoshi Furushima ◽  
Kazuo Tada
Keyword(s):  
Mechanical Properties ◽  
Magnesium Alloy ◽  
Rotation Speed ◽  
Longitudinal Section ◽  
Az31 Magnesium Alloy ◽  
Microstructure Control ◽  
Alloy Tube ◽  
Rotation Numbers ◽  
Bending Process ◽  
Rotating Bending

In this study a cyclic rotating bending process for microstructure control of metal tubes was newly proposed. The AZ31 magnesium alloy tube was conducted to investigate the effect of the rotating bending process on the microstructure and mechanical properties of metal tubes. The rotating bending process was carried out with rotation speed of 20r/min for 10min at the temperature of 150, 200, 250, 300 and 350°C. The rotating bending processes carried out with various conditions show that the grains in cross-section and longitudinal section of magnesium alloy tube were refined for all samples by the rotating bending process with rotation speed of 20r/min for different rotation numbers and temperatures. The rotating bending temperature shows a various effects on the mechanical properties. When the temperature was 200°C, the highest strength as well as ductility was obtained.

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