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

PUMP, We have a reciprocating compressor operating at 800 rpm. Suction pre...

We have a reciprocating compressor operating at 800 rpm. Suction pressure and discharge pressure are held constant by other systems that have nothing to do with the compressor. W

Mechanical design, The second stage of the design process is to evaluate th...

The second stage of the design process is to evaluate the oxygen requirement for the organism. This is necessary so that we can establish if the vessel we construct will be capable

Maintenance of railway line, Maintenance of Railway Line Importance...

Maintenance of Railway Line Importance of Maintenance The need for maintenance of railway lines arises out of the following considerations : (a) The track rests on

Structural steels, Structural Steels Low alloy steels are utilized fo...

Structural Steels Low alloy steels are utilized for structural causes. That type of steels is needed to possess high yield stress, excellent ductility and high fatigue resist

Babbitts- bearing materials, Bearing Materials Generally it can be sai...

Bearing Materials Generally it can be said as a good bearing material must posse following characteristics as: It must be strong enough to sustain bearing load. It

Electron beam welding(ebw)-basic principle, BASIC PRINCIPLE OF ELECTRON BEA...

BASIC PRINCIPLE OF ELECTRON BEAM WELDING(EBW)   Electron beam welding which utilises a heat source of electrons which are accelerated by an electric field to mextremely high

Yield stress and ultimate stress yield stress, Y ield stress and ultimate ...

Y ield stress and ultimate stress Yield stress: Yield stress can be defined as lowest stress at which extension of test piece increases without increase in the load. It is

Find out load carried and compressive stress - steel bar, Find out load car...

Find out load carried and compressive stress: The concrete column 300mm x 300mm in section can be reinforced by 10 longitudinal 20mm diameter round steel bars. The column car

Intrepretation of defects, INTREPRETATION OF DEFECTS Intrepretat...

INTREPRETATION OF DEFECTS Intrepretation is an important factor is controlling the quality of the product on economic levels. Sometimes for want of proper decision, proj

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