Dividing of the real welding arc column into two parts (Part 2).
The reflected plasma flow when wire welding Св-08Г2С with a diameter of 1,6 mm with a covering from К2СО3 in СО2 on the reverse polarity, promoting the arc col...
Author: Ivan Perfilyev
The crystal growth (Part 3).
At the large overcooling, the mechanism of the crystals growth by means of dislocations and steps is replaced normal, is not connected with the origin of new at...
Welder Qualification Test (Part 4).
For some welding technologies when changing the electrodes type provided in technical requirements it may be necessary to repeat the welder qualification test. ...
The polymorphic transformations in metals (Part 2).
The second feature of the phase transformations in solid metals is connected with smaller, than in liquid, atoms mobility. The diffusion velocity in liquid meta...
The hysteresis reason of the critical current when welding on direct polarity with the coated wire from the easily ionized substances.
When welding on small currents on direct polarity in carbon dioxide the Св-08Г2С the wire with coverings from the Cs and K or Cs and Na salts taken in a certain...