Paper Information

Journal:   JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)   2017 , Volume 28 , Number 2 #F0048; Page(s) 83 To 98.
 
Paper: 

THE EFFECT OF INTERMETALLIC COMPOUNDS ON THE STRENGTH OF DISSIMILAR FRICTION STIR SPOT WELDED AL/STEEL JOINTS

 
 
Author(s):  FEREYDOUNI E., MOVAHEDI M., KOKABI A.H.
 
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Abstract: 

The aim of the present study is to investigate the effect of Al-Fe intermetallic compounds on the strength of friction stir spot welded (FSSW) joints. The tool rotational speed and dwell time were the studied process parameters. The microstructure of the joint interface was characterized using optical and scanning electron microscopes. Tensile-shear testing results showed that the strength of the welds improved with the enhancement of dwell time for all of the applied rotational speeds. Furthermore, for a given dwell time, higher rotational speeds led to stronger joints. Microstructural observations revealed that the strength of the welds increased with the growth of the intermetallic layer thickness up to 5 mm.

 
Keyword(s): AL-5083, ST-12, FRICTION STIR SPOT WELDING, INTERMETALLIC COMPOUNDS, TENSILE-SHEAR STRENGTH
 
References: 
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