Microstructure and mechanical property of 2024/3003 gradient aluminum alloy

2004 ◽  
Vol 11 (2) ◽  
pp. 128-133 ◽  
Author(s):  
Wei-wen Zhang ◽  
Wei-ping Chen ◽  
Jin Fei ◽  
Dong-hui Ni ◽  
Yuan-yuan Li
Keyword(s):  
Mechanical Property ◽  
Aluminum Alloy ◽  
Microstructure And Mechanical Property

Microstructure and Mechanical Property Analysis of ZL114A Aluminum Alloy Repaired by Laser Deposition

2016 ◽  
Vol 43 (12) ◽  
pp. 1202009
Author(s):  
钦兰云 Qin Lanyun ◽  
庞爽 Pang Shuang ◽  
杨光 Yang Guang ◽  
王超 Wang Chao ◽  
王维 Wang Wei
Keyword(s):  
Mechanical Property ◽  
Aluminum Alloy ◽  
Laser Deposition ◽  
Property Analysis ◽  
Microstructure And Mechanical Property

Effect of Reheating Process on Microstructure and Mechanical Property of A390 Aluminum Alloy

2015 ◽  
Vol 817 ◽  
pp. 173-179 ◽  
Author(s):  
Xue Kong ◽  
Bi Cheng Yang ◽  
Zhi Feng Zhang ◽  
Jun Xu
Keyword(s):  
Mechanical Properties ◽  
Mechanical Property ◽  
Aluminum Alloy ◽  
Evolution Mechanism ◽  
Primary Si ◽  
Maximum Value ◽  
Eutectic Si ◽  
Reheating Process ◽  
The Relationship ◽  
Microstructure And Mechanical Property

The effect of reheating process on the microstructure and mechanical property of A390 aluminum alloy and its evolution mechanism was studied. During reheating process, the microstructure of A390 ingots changed greatly, the microstructure ofα-Al particles changed from dendrite to spherical. As the reheating temperature increased primary Si and eutectic Si gradually grew up and spheroidized while the mechanical properties got the maximum value as the ingot reheating to 540°C. The relationship the between reheating power and microstructure was built. Improving reheating power can restrain the growth of grains, but if the reheating power was too high, the microstructure becomes non-uniform. It has been found that reheating of A390 aluminum alloy experiences two processes of grain combination and Ostwald growing.

Investigation on Microstructure and Mechanical Property of the A7N01 Aluminum Alloy Welding Joint

2012 ◽  
Vol 430-432 ◽  
pp. 2091-2094 ◽  
Author(s):  
Shang Lei Yang ◽  
Bin Luo ◽  
Ren Yuan Lv ◽  
Li Chun Meng ◽  
Qing Lin Lin
Keyword(s):  
Mechanical Property ◽  
Aluminum Alloy ◽  
Mig Welding ◽  
Parent Metal ◽  
Strengthening Phase ◽  
Welding Joint ◽  
Columnar Grains ◽  
Welding Metal ◽  
Microstructure And Mechanical Property ◽  
Precipitation Phase

The A7N01 aluminum alloy was welded by MIG welding in test, and the microstructure and mechanical property of joint were investigated. The results of experimentation show that the feature of the A7N01 aluminum alloy MIG welding joint is perfect with a gentle transition. The microstructure of fusion metal in A7N01 joint is as-cast grain. The microstructure of fusion zone consists of the fine columnar grains. It is rolling structure in the parent metal. In HAZ, the rolling structure is disappearing. The η′ (MgZn2) strengthening phases were precipitated in the grain boundary of the A7N01 aluminum alloy. The size of η′ strengthening phase is about 5-10 nm. There is no precipitation phase in welding metal of A7N01 joint. The fine η′ transitional phases of the primeval parent metal are turned to the coarse η (MgZn2) stable phases of the HAZ. The size of η strengthening phase is about 50 nm. The tensile strength and the percentage elongation after fracture of A7N01 welding joint is below the parent metal.

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