• Corpus ID: 168163514

Friction Stir Welding of Extruded Powder Metallurgy Al Alloy

  title={Friction Stir Welding of Extruded Powder Metallurgy Al Alloy},
  author={Ahmed Elrefaey and Kevin Anders and Helmut Kilian and Frank Ellermann},
Friction stir welding (FSW) of an extruded powder metallurgy (PM) aluminum alloy was performed to produce a rotary engine housing. The mi­ crostructure, phase constituents, and mechanical properties of FSW joints were studied by metallography, tensile, and fatigue tests. The results indicated the process achieved sound joints without voids or discontinuities. The mi­ crostructure of welded area (stir zone) was finer and more homogeneous than the base metal, while the average yield strength… 

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