Shielding gases, Mechanical Engineering

Assignment Help:

SHIELDING GASES


Shielding gas is directed by the torch to the arc and weld pool to protect the electrode and the molten weld metal from atmospheric contamination. 


Argon and helium or mixtures of the two are the most common types of inert gas used for the shielding. Argon hydrogen mixtures are used for special applications. 


Related Discussions:- Shielding gases

Dthd, Ask question #Minimvchfchd jftdysrtttttttttgsghxum 100 words accepted...

Ask question #Minimvchfchd jftdysrtttttttttgsghxum 100 words accepted#

Shear moment, Calculate and draw the Shear force and Bending moment diagram...

Calculate and draw the Shear force and Bending moment diagrams for the loaded beam and determine the maximum moment M and its location x from left end.

Lubrcants, what is the difference between mineral and vegetable oils in ter...

what is the difference between mineral and vegetable oils in terms of oiliness and oxidization?

Procedure for calculating the wind force on vessels, Q. Procedure for calcu...

Q. Procedure for calculating the wind force on vessels? The National Building Code of Canada has a similar procedure for calculating the wind force on vessels as ASCE. The bas

Describe loose piece pattern, Loose piece pattern This type of pattern ...

Loose piece pattern This type of pattern is also used when the contour of the part is such that withdrawing the pattern from the mould is not possible. Hence during moulding th

What is the function of fuel feed system?, (a) What is the function of fuel...

(a) What is the function of fuel feed system? (b) What are the functions of a carburettor? (c) List main components of a carburettor. (d) Describe the working principle of

Slip of belt, Slip of belt: Sol:   When the driver pulley rotates, it...

Slip of belt: Sol:   When the driver pulley rotates, it carries belt, because of a firm grip between its surface and belt. The firm between pulley and belt can be obtained by

What is a pneumatic system?, Pneumatic system is a system that uses air to ...

Pneumatic system is a system that uses air to power something. For example, have you seen the tube systems at bank drive-up tellers? Air is used to drive the tubes back and forth f

Explain rake angle - angles of a drill, Explain Rake angle - Angles of a dr...

Explain Rake angle - Angles of a drill It is also known as helix angle .It is the angle formed between a plane containing the drill axis and the leading edge of the land. It c

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd