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

Explain the working and construction of universal joint, (a) Describe clear...

(a) Describe clearly the constructional details and operation of various rear axle drives with the engine placed at the front. Illustrate your answer with simple and neat sketch.

Drive the expression for critical pressure ratio, Drive the expression for ...

Drive the expression for critical pressure ratio for steam nozzle and illustrate critical pressure. Air flows in a 200cm 2 duct at a velocity of 180 m/s, a pressure of 119 KPa

Piercing press tool, computer aided design of piercing press tool

computer aided design of piercing press tool

What are the limitations with rectangular combined footings, What are the l...

What are the limitations with rectangular combined footings? In this section the analysis is limited to the determination of plan dimensions of the footing. The physical dimens

Determine the support reactions, Determine the Support Reactions The p...

Determine the Support Reactions The pin-connected structure shown is supported by a fixed (frictionless) pin at A and by a roller at E . A 3-kN vertical force is applied at F

#strength of material, State elongation of a conical bar due to its self we...

State elongation of a conical bar due to its self weight?

Impulse turbine, IMPULS E TURBINE: The steam turbine in which the ste...

IMPULS E TURBINE: The steam turbine in which the steam expands while passing through nozzle and remains at the constant pressure over the blades is called as impulse turbine.

Stages in making a spot welding, Q.Show the procedure of spot welding ? ...

Q.Show the procedure of spot welding ? The steps involved in making a spot weld are listed below and shown but before spot welding one must make sure that (i) The job is clea

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