scholarly journals Microstructural Evolution of Ultrafine Grained AA1050/AA6061 Complex Aluminum Alloy Sheet with ARB Process

2013 ◽  
Vol 23 (1) ◽  
pp. 41-46 ◽  
Author(s):  
Seong-Hee Lee
Keyword(s):  
Aluminum Alloy ◽  
Microstructural Evolution ◽  
Alloy Sheet ◽  
Aluminum Alloy Sheet ◽  
Complex Aluminum ◽  
Ultrafine Grained

scholarly journals Fabrication And Mechanical Properties Of A Nanostructured Complex Aluminum Alloy By Three-Layer Stack Accumulative Roll-Bonding

2015 ◽  
Vol 60 (2) ◽  
pp. 1195-1198 ◽  
Author(s):  
S.-H. Lee ◽  
S.R. Lee
Keyword(s):  
Mechanical Properties ◽  
Grain Size ◽  
Aluminum Alloy ◽  
Accumulative Roll Bonding ◽  
Alloy Sheet ◽  
Aluminum Alloy Sheet ◽  
Roll Bonding ◽  
Complex Aluminum ◽  
Processed Material ◽  
Layered Complex

Abstract A multi-layered complex aluminum alloy was successfully fabricated by three-layer stack accumulative roll bonding(ARB) process. The ARB using AA1050 and AA5052 alloy sheets was performed up to 7 cycles at ambient temperature without lubrication. The specimen processed by the ARB showed a multi-layer aluminum alloy sheet in which two aluminum alloys are alternately stacked. The grain size of the specimen decreased with the number of ARB cycles, became about 350nm in diameter after 7cycles. The tensile strength increased with the number of ARB cycles, after 6c it reached 281MPa which is about twice higher than that of the starting material. The microstructures and mechanical properties of a three-layer AA1050/AA5052 alloy fabricated by the ARB were compared to those of the conventional ARB-processed material.

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