scholarly journals Effect of cold expansion on improving of fatigue initiation life in Aluminium alloy

2018 ◽  
Vol 12 (46) ◽  
pp. 34-44
Author(s):  
Mohamed El Habiri ◽  
Mustapha Benachour ◽  
Nadjia Benachour
Keyword(s):  
Aluminium Alloy ◽  
Cold Expansion ◽  
Fatigue Initiation

Effect of hole cold expansion on fatigue performance of corroded 7B04-T6 aluminium alloy

2019 ◽  
Vol 126 ◽  
pp. 210-220 ◽  
Author(s):  
Hou Shuai ◽  
Zhu Youli ◽  
Cai Zhihai ◽  
Wang Yanli ◽  
Ni Yongheng ◽  
...  
Keyword(s):  
Aluminium Alloy ◽  
Fatigue Performance ◽  
Cold Expansion

Experimental Research on Strengthening and Fastening for Thick-Section Aluminium Alloy Bolted Joints

2014 ◽  
Vol 1082 ◽  
pp. 365-370
Author(s):  
Qing Yun Zhao ◽  
Hong Huang ◽  
Qing Dong Xiao ◽  
Feng Lei Liu
Keyword(s):  
Fatigue Life ◽  
Aluminium Alloy ◽  
Experimental Research ◽  
Bolted Joints ◽  
Thick Section ◽  
Cold Expansion ◽  
Compressive Stresses ◽  
Before And After ◽  
Electromagnetic Riveting ◽  
Materials Flow

For 7050-T7451 plate with the thickness of 16mm, ∅6 hi-bolts were installed with 0.11mm interference by electromagnetic riveting. Split-sleeve cold expansion was employed with 4% expansion. Combine joining of 4% expansion+0.11mm interference was carried out. The effect of strengthening was estimated from microstructure, stress and fatigue life. The results show that the microstructures are the same before and after strengthened. Along the installing direction, materials flow locate near the exit. Residual compressive stresses generate by strengthening process and gradually increase by the process of interference bolted joining, split-sleeve cold expansion and combine joining, within some diameter in the exit. The fatigue lives N50 also gradually increase by the process of interference bolted joining, split-sleeve cold expansion and combine joining.

Ductility of aluminium alloy AA7075 at high strain rates

2000 ◽  
Vol 10 (PR9) ◽  
pp. Pr9-335-Pr9-340 ◽  
Author(s):  
E. El-Magd ◽  
M. Brodmann
Keyword(s):  
Aluminium Alloy ◽  
High Strain ◽  
Strain Rates ◽  
High Strain Rates
Sign in / Sign up

Export Citation Format

Share Document