Characterization of Fine-Grained Superplastic Aluminum Alloys

JOM ◽  
1982 ◽  
Vol 34 (8) ◽  
pp. 21-27 ◽  
Author(s):  
Neil E. Paton ◽  
C. Howard Hamilton ◽  
John A. Wert ◽  
Murray W. Mahoney
Keyword(s):  
Aluminum Alloys ◽  
Fine Grained

Mechanical property and characterization of 7A04-T6 aluminum alloys bonded by friction stir welding

2020 ◽  
Vol 52 ◽  
pp. 263-269 ◽  
Author(s):  
Jianing Li ◽  
Molin Su ◽  
Wenjun Qi ◽  
Chen Wang ◽  
Peng Zhao ◽  
...  
Keyword(s):  
Mechanical Property ◽  
Friction Stir Welding ◽  
Aluminum Alloys ◽  
Friction Stir

Characterization of ultra-fine grained aluminum produced by accumulative back extrusion (ABE)

2012 ◽  
Vol 68 ◽  
pp. 14-21 ◽  
Author(s):  
H. Alihosseini ◽  
G. Faraji ◽  
A.F. Dizaji ◽  
K. Dehghani
Keyword(s):  
Fine Grained

Fabrication and Characterization of Bulk Nanocrystalline Layer in Steel and Aluminum Alloys Formed by Shot Peening

2009 ◽  
Author(s):  
R. Waikar ◽  
Y. B. Guo ◽  
Keith A. Woodbury
Keyword(s):  
Aluminum Alloys ◽  
Shot Peening ◽  
Martensitic Steel ◽  
Bulk Material ◽  
Lower Surface ◽  
Martensitic Steels ◽  
Cross Sectional ◽  
Bulk Nanocrystalline ◽  
Nanocrystalline Layer

The formation of bulk nanocrystalline (NC) layers in AISI 1075 pearlitic and martensitic steels and aluminum alloys 6061-T6 and 7075 using air blast shot peening was studied. The cross-sectional microstructure of the samples showed a gradual reduction of the grain size near the surface. The NC layers were characterized using optical and scanning electron microscopy and nanohardness measurements. 2D surface topography of the top surface was also carried out. The roughness of the peened surfaces depends on sample hardness. The hardened AISI 1075 martensitic steel had lower surface roughness value. NC layers of 5 to 15 μm thickness were observed in the steels whereas the aluminum alloys 6061 and 7075 yielded NC layers up to 20 to 25 μm thick. The measured nanohardness in the NC layers confirmed the higher hardness of the NC layer compared with the bulk material.

Characterization of aluminum alloys environmentally friendly surface treatments for aircraft and aerospace industry

2013 ◽  
Vol 45 (10) ◽  
pp. 1522-1529 ◽  
Author(s):  
T. Monetta ◽  
A. Acquesta ◽  
V. Maresca ◽  
R. Signore ◽  
F. Bellucci ◽  
...  
Keyword(s):  
Aluminum Alloys ◽  
Aerospace Industry ◽  
Environmentally Friendly ◽  
Surface Treatments
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