Correlation of fracture toughness with microstructural features for ultrafine-grained 6082 Al alloy

2018 ◽  
Vol 41 (9) ◽  
pp. 1884-1899 ◽  
Author(s):  
N. Kumar ◽  
G.M. Owolabi ◽  
R. Jayaganthan ◽  
S. Goel
Keyword(s):  
Fracture Toughness ◽  
Al Alloy ◽  
Ultrafine Grained ◽  
6082 Al Alloy

Effect of Annealing on Mechanical Properties and Metallurgical Factors of Ultrafine-Grained 6082 Al Alloy

2019 ◽  
Vol 72 (9) ◽  
pp. 2523-2531
Author(s):  
N. Kumar ◽  
G. M. Owolabi ◽  
R. Jayaganthan ◽  
G. Warner
Keyword(s):  
Mechanical Properties ◽  
Al Alloy ◽  
Ultrafine Grained ◽  
6082 Al Alloy

scholarly journals Experimental and Analytical Investigations of Fracture Toughness in Weldments of 6082 Al Alloy

2001 ◽  
Vol 42 (11) ◽  
pp. 2386-2391 ◽  
Author(s):  
V. A. Mosneaga ◽  
Toru Mizutani ◽  
Toshiro Kobayashi ◽  
Hiroyuki Toda
Keyword(s):  
Fracture Toughness ◽  
Al Alloy ◽  
6082 Al Alloy

Plane stress fracture toughness of cryorolled 6082 Al alloy

2018 ◽  
Vol 95 ◽  
pp. 28-41 ◽  
Author(s):  
N. Kumar ◽  
G.M. Owolabi ◽  
R. Jayaganthan ◽  
O.O. Ajide
Keyword(s):  
Fracture Toughness ◽  
Stress Fracture ◽  
Plane Stress ◽  
Al Alloy ◽  
6082 Al Alloy

Immersed friction stir welding of ultrafine grained accumulative roll-bonded Al alloy

2010 ◽  
Vol 31 (10) ◽  
pp. 4786-4791 ◽  
Author(s):  
M. Hosseini ◽  
H. Danesh Manesh
Keyword(s):  
Friction Stir Welding ◽  
Al Alloy ◽  
Friction Stir ◽  
Ultrafine Grained

scholarly journals Effect of pH on Stress Corrosion Cracking of 6082 Al Alloy

Metals ◽  
2018 ◽  
Vol 8 (8) ◽  
pp. 578 ◽  
Author(s):  
C. Panagopoulos ◽  
Emmanuel Georgiou ◽  
K. Giannakopoulos ◽  
P. Orfanos
Keyword(s):  
Aluminum Alloy ◽  
Stress Corrosion ◽  
Stress Corrosion Cracking ◽  
Corrosion Cracking ◽  
Al Alloy ◽  
Cracking Behavior ◽  
Effect Of Ph ◽  
Cracking Mechanisms ◽  
6082 Aluminum Alloy ◽  
6082 Al Alloy

In this work, the effect of pH (3, 7 and 10) on the stress corrosion cracking behavior of 6082 aluminum alloy, in a 0.3 M sodium chloride (NaCl) aqueous based solution was investigated. The stress corrosion cracking behavior was studied with slow strain rate testing, whereas failure analysis of the fractured surfaces was used to identify the dominant degradation mechanisms. The experimental results clearly indicated that stress corrosion cracking behavior of this aluminum alloy strongly depends on the pH of the solution. In particular, the highest drop in ultimate tensile strength and ductility was observed for the alkaline pH, followed by the acidic, whereas the lowest susceptibility was observed in the neutral pH environment. This observation is attributed to a change in the dominant stress corrosion cracking mechanisms.

Thermal stability in bulk cryomilled ultrafine-grained 5083 Al alloy

2006 ◽  
Vol 37 (3) ◽  
pp. 721-730 ◽  
Author(s):  
Indranil Roy ◽  
Manish Chauhan ◽  
Farghalli A. Mohamed ◽  
Enrique J. Lavernia
Keyword(s):  
Thermal Stability ◽  
Al Alloy ◽  
Ultrafine Grained ◽  
5083 Al Alloy

scholarly journals An Experimental Study of Fracture Toughness for Nano/Ultrafine Grained Al5052/Cu Multilayered Composite Processed by Accumulative Roll Bonding

2018 ◽  
Vol 140 (10) ◽  
Author(s):  
D. Rahmatabadi ◽  
B. Mohammadi ◽  
R. Hashemi ◽  
T. Shojaee
Keyword(s):  
Fracture Toughness ◽  
Stress Fracture ◽  
Plane Stress ◽  
Accumulative Roll Bonding ◽  
Uniaxial Tensile ◽  
Roll Bonding ◽  
Multilayered Composite ◽  
Maximum Value ◽  
Ultrafine Grained ◽  
Pure Cu

In this study, ultrafine grained Al5052/Cu multilayered composite has been produced by accumulative roll bonding (ARB) and fracture properties have been studied using plane stress fracture toughness. The fracture toughness has been investigated for the unprocessed specimens, primary sandwich and first, second, and third cycles of ARB process by ASTM E561 and compact tension (CT) specimens. Also, the microstructure and mechanical properties have been investigated using optical microscopy, scanning electron microscopy, uniaxial tensile tests, and microhardness measurements. The value of plane stress fracture toughness for the ultrafine grained Al5052/Cu composite increased by increasing the number of ARB cycles, continuously from the primary sandwich to end of the third cycle. The maximum value of 59.1 MPa m1/2 has been obtained that it is about 2.77 and 4.05 more than Al5052 and pure Cu (unprocessed specimens). This phenomenon indicated that ARB process and the addition of copper to aluminum alloy could increase the value of fracture toughness to more than three times. The results showed that by increasing the ARB cycles, the thickness of copper layers reduced and after the fifth cycle, the excellent uniformity of Cu layers achieved. By increasing the number of ARB cycles, the microhardness of both aluminum and copper layers have been significantly increased. The tensile strength of the sandwich has been enhanced continually, and the maximum value of 566.5 MPa has been achieved.

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