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The Bad Types Of Welding Deflects
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Published on Nov 18, 2015
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1.
THE DIFFERENT TYPES OF WELDING DEFLECTS
BY: ALAN REYES PERIOD:5 DATE: 9-30-15
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iklash/
2.
WELDING DEFLECTS
There are many types of welding deflects.
They are broken down by different issues for example: 45% are poor process conditions
32% operator error
12% wrong technique
10% incorrect consumables
5% bad weld groves
Photo by
Official U.S. Navy Imagery
3.
WELDING CRACKS
They can happen in many different types of ways=
Arc strike-when the arc is struck but not welded
Cold cracking-Residual stresses can reduce the strength of the base material
Crater crack- cur when a crater is not filled before the arc is broken
There are many more different types of cracks to name that affect how your weld looks.
4.
INCLUSIONS
There are two types of inclusions:linear and rounded
They can be either isolated or cumulative.
It occurs when there's a slug or flux in a weld.
Photo by
Julian Carvajal
5.
LACK OF FUSION AND INCOMPLETE PENETRATION
Lack of fusion is the poor adhesion of the weld bead to the base metal.
Incomplete penetration is a weld bead that doesn't start at the root of the weld groove.
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Defence Images
6.
UNDERCUT
Is when the weld reduces the cross-sectional thickness of the base metal, which reduces the strength of the weld and workpieces.
Photo by
Official U.S. Navy Imagery
Alan Reyes
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