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Category: Inspection of Welded Seams

Inspection of Welded Seams

The current density distribution, temperature and gas flow velocity in the real welding arc (Part 3).

Posted on April 28, 2017 by Ivan Perfilyev / 0 Comment

The similar phenomenon shall be watched also in case of drop metal transfer, but in a little smaller level. At the same time, it is necessary to consider that t...

Inspection of Welded Seams

The lack of fusion between layers.

Posted on April 26, 2017 by Ivan Perfilyev / 0 Comment

The lack of fusion between layers occurs due to low current and high welding speed. The lack of fusion between layers is the acceptable defect. The repair is re...

Inspection of Welded Seams

The current density distribution, temperature and gas flow velocity in the real welding arc (Part 2).

Posted on April 14, 2017 by Ivan Perfilyev / 0 Comment

Therefore, the drop which is in an arch column because power lines of current can’t sharply change the direction, has to make noticeable change to distrib...

Inspection of Welded Seams

The lack of side fusion.

Posted on April 12, 2017 by Ivan Perfilyev / 0 Comment

The lack of side fusion arises because of small current, high welding speed, low-quality deseaming after the performance of the previous layer. The lack of side...

Inspection of Welded Seams

The current density distribution, temperature and gas flow velocity in the real welding arc (Part 1).

Posted on April 3, 2017 by Ivan Perfilyev / 0 Comment

Usually, the current density distribution, temperature in the arch column is considered whether it is burning between the not melting electrodes or between the ...

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