Introduction to Welding (Leaving Cert Engineering): Flashcards
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Practise the cards
15 cards from this deck
Welding definition
Welding definition
Permanent joining of metals by melting and fusing them together
Filler metal purpose
Filler metal purpose
Additional metal added to strengthen the weld joint
GMAW full name
GMAW full name
Gas Metal Arc Welding (also known as MIG welding)
GTAW full name
GTAW full name
Gas Tungsten Arc Welding (also known as TIG welding)
Arc burn
Arc burn
Defect from arc striking base metal outside intended weld area
Heat-affected zone (HAZ)
Heat-affected zone (HAZ)
Area around weld that heats but doesn't melt, changing properties
Cover pass
Cover pass
Final weld pass creating the finished surface of the joint
Spot welding thickness range
Spot welding thickness range
0.5 to 3 mm
Number of standard weld joint types
Number of standard weld joint types
Five
Corner joint configuration
Corner joint configuration
Two pieces meet perpendicularly creating an L-shape
Edge joint limitation
Edge joint limitation
Should not be used in high-stress apps or pressure vessels
Lap joint description
Lap joint description
One piece overlaps another with weld where they meet
Tee joint shape
Tee joint shape
Edge of one piece meets surface of another at right angle
Strongest joint type
Strongest joint type
Butt joint
Weld-all-around symbol
Weld-all-around symbol
Circle at junction of reference line and arrow