Mechanical Engineering - Workshop Technology - Discussion
Discussion Forum : Workshop Technology - Section 3 (Q.No. 5)
5.
In welding magnesium with TIG arc welding, direct current with __________ is used.
Discussion:
12 comments Page 2 of 2.
Peeyush said:
1 decade ago
Actually only for al and mg, DCRP is used in TIG because these metals have heavy oxides coating which can be readily removed by the use of DCRP.
Peeyush said:
1 decade ago
TIG should never be used with reverse polarity. This will melt the electrode of tungsten!
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers