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

Elements of cad, Human Factor : The human factor is the key factor in th...

Human Factor : The human factor is the key factor in the success of CAD system. This concerns the training of the designer or the engineer without whom the CAD system become

I-Section, An unsymmetrical I-Section as shown in figure below. If maximum ...

An unsymmetrical I-Section as shown in figure below. If maximum bending stress is not extend more than 40MPa in the section than find out the moment which it can bear

Describe split pattern or two piece pattern, Split pattern or two piece pat...

Split pattern or two piece pattern This is the most widely used type of pattern for intricate castings. When the contour of the casting make sits withdrawal from the mould diff

Inlet manifold-basic components of engine , Inlet Manifold: The pipe whic...

Inlet Manifold: The pipe which connects the intake system to the inlet valve of the engine through which air or air-fuel mixture is drawn into the cylinder is called the inlet ma

Computer control system in flexible manufacturing system, Computers control...

Computers control system in flexible manufacturing system

Stitch welding, Stitch Welding This is a variation of spot welding, in ...

Stitch Welding This is a variation of spot welding, in which a series of overlapping spot welds are made in the same manner as stitching cloth. Stitch welding may be performed

Calculate all the mass-normalised modal vectors, The body, suspension and e...

The body, suspension and engine mounting system of a vehicle may be idealised as a three degree of freedom system consisting of a bar of mass 1400 kg and the centre of mass at G, 1

Explain about active fire protection, Q. Explain about Active Fire Protecti...

Q. Explain about Active Fire Protection? Active Fire Protection - A fire fighting system that is normally dormant and is activated automatically upon detection of a fire hazard

Electro gas welding, ELECTRO GAS WELDING This process is an extension ...

ELECTRO GAS WELDING This process is an extension of MIG  I MAG welding, designed for single pass vertical welding of steel plates in the thickness range of 10 to 38 mm. The tw

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