Mechanical Properties of Aluminum Welds - Course Notes
Mechanical Properties of Aluminum Welds - Course Notes
Mechanical Properties of Aluminum Welds - Course Notes
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Background: GMAW<br />
4<br />
Gas Metal Arc Welding<br />
(GMAW)→ two metals are joined<br />
by heating from an arc between<br />
the metal and continuously fed<br />
filler wire electrode. This process<br />
uses a shielding gas (argon or<br />
helium) to protect the molten<br />
weld pool from oxidation.<br />
<br />
<br />
Popular welding technique for Al<br />
alloys<br />
Results in 3 distinct regions:<br />
weld; HAZ; base material<br />
S. Kou, Welding Metallurgy, 2 nd ed., Hoboken,<br />
New Jersey: John Wiley and Sons Inc., 2003.<br />
Microhardness Pr<strong>of</strong>ile
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