Superplastic Forming/Diffusion Bonding Without Interlayer of 5A90 Al-Li Alloy Hollow Double-Layer Structure

2017 ◽  
Vol 26 (9) ◽  
pp. 4265-4273 ◽  
Author(s):  
Shaosong Jiang ◽  
Yong Jia ◽  
Zhen Lu ◽  
Chengcheng Shi ◽  
Kaifeng Zhang
Keyword(s):  
Double Layer ◽  
Diffusion Bonding ◽  
Layer Structure ◽  
Superplastic Forming ◽  
Double Layer Structure

Simulation and Experiment Investigation on Superplastic Forming/Diffusion Bonding Process of a Ti-6Al-4V Alloy Rear Fuselage Part

2018 ◽  
Vol 385 ◽  
pp. 407-412
Author(s):  
Gui Qiang Guo ◽  
Dong Sheng Li ◽  
Xiao Qiang Li ◽  
Xuan Zhao Huang
Keyword(s):  
Titanium Alloy ◽  
Double Layer ◽  
Diffusion Bonding ◽  
Layer Structure ◽  
Thickness Distribution ◽  
Superplastic Forming ◽  
Bonding Process ◽  
Double Layer Structure ◽  
Simulation And Experiment

Superplastic forming/diffusion bonding (SPF/DB) process is widely used in aviation titanium alloy parts forming. PAM-STAMP was utilized to simulate the SPF/DB process of a Ti-6Al-4V double layer structure part in rear fuselage at 920°C and reach the thickness distribution of the part. Then the part was formed based on simulation. The thickness distribution of the practical part was measured and compared with the simulation result. The results show that the thickness distributions of practical and simulated part fit well with each other.

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