Examination of the effect of Sc on 2000 and 7000 series aluminium alloy castings: for improvements in fusion welding

2003 ◽  
Vol 354 (1-2) ◽  
pp. 188-198 ◽  
Author(s):  
A.F Norman ◽  
K Hyde ◽  
F Costello ◽  
S Thompson ◽  
S Birley ◽  
...  
Keyword(s):  
Aluminium Alloy ◽  
Fusion Welding ◽  
Alloy Castings

scholarly journals The Effect of Copper and Brass on Friction Stir Welded Dissimilar Aluminium Alloy When Used as in Thin Sheet Form

2016 ◽  
Vol 45 (2) ◽  
pp. 118-122
Author(s):  
G. Gopala Krishna ◽  
P.Ram Reddy ◽  
M.Manzoor Hussain
Keyword(s):  
Aluminium Alloy ◽  
Aluminium Alloys ◽  
Low Cost ◽  
Thin Sheet ◽  
Welding Process ◽  
Cost Effective ◽  
Tensile Tests ◽  
Fusion Welding ◽  
Friction Stir ◽  
Effect Of Copper

In recent year’s aluminium and aluminium alloys are most widely used in many applications because of light weight, good formability and malleability, corrosion resistance, moderate strength and low cost. Friction Stir Welding (FSW) process is efficient and cost effective method for welding aluminium and aluminium alloys. FSW is a solid state welding process that means the material is not melted during the process. Complete welding process accomplishes below the melting point of materials so it overcomes many welding defects that usually happens with conventional fusion welding technique which were initially used for low melting materials. Though this process is initially developed for low melting materials but now process is widely used for a variety of other materials including titanium, steel and also for composites. The present butt jointed FSW experimental work has been done in two ways. Initially a comparison of tensile properties of friction stir (FS) welded similar aluminium alloy (AA6351 with AA6351) and dissimilar aluminium alloy (AA6351 with AA5083) combinations. Later the effect of impurities (copper and brass) in sheet form (0.1 mm thick) when used as insert in between two dissimilar aluminium alloy (AA6351 with AA5083) plates during FSW. Tensile tests were performed for these combinations and results were compared for with and without using strip material (copper and brass).

Size effects in aluminium alloy castings

2010 ◽  
Vol 58 (8) ◽  
pp. 3006-3013 ◽  
Author(s):  
Q.G. Wang ◽  
M. Praud ◽  
A. Needleman ◽  
K.S. Kim ◽  
J.R. Griffiths ◽  
...  
Keyword(s):  
Aluminium Alloy ◽  
Size Effects ◽  
Alloy Castings

scholarly journals Brazed Joint Interface Bonding Strength of AR500 Steel and AA7075 Aluminium Alloy

2018 ◽  
Author(s):  
Mohd Najib Muhamed ◽  
Mohd Zaidi Omar ◽  
Shahrum Abdullah ◽  
Zainuddin Sajuri ◽  
Wan Fathul Hakim Wan Zamri ◽  
...  
Keyword(s):  
Aluminium Alloy ◽  
Aluminium Alloys ◽  
Filler Metal ◽  
Intermetallic Phase ◽  
High Strength ◽  
Fusion Welding ◽  
Joint Interface ◽  
Dissimilar Metals ◽  
Brazed Joints ◽  
Interface Bonding Strength

Joining of aluminium alloys to steels has been extensively studied, especially in the automotive sector. However, aluminium alloys are known to be difficult to join with steels when methods involving fusion welding are used because of hot cracking problem. Hence, a high strength joint between these dissimilar metals would be of benefit especially in reducing the weight of products. In this work the torch brazing method was applied to join AR500 steel with AA7075 aluminium alloy using Al-Si-Zn base filler metal at various flame times. The effect of the brazing work on the intermetallic phase formation and the mechanical strength of the joints were investigated. In this work, the maximum shear load obtained was 6460 N and the presence of the intermetallic phases had reduced the shear strength of the brazed joints. However, the torch brazing process using Al-Si-Zn filler metal had successfully facilitated the joining of these dissimilar metals.

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