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

Represent moment graphically - mechanics, Represent moment Graphically: ...

Represent moment Graphically: How you represent moment Graphically? Sol.: Consider force F which is represented in magnitude and direction, by   line AB . L

Define advantages of welding process, Advantages of welding process Wel...

Advantages of welding process Welding results in a good saving of material and reduced labour content of production. Low manufacturing costs. Dependability of the me

Concept of continum, in concept of continum what is the meaning of upper cu...

in concept of continum what is the meaning of upper cure

Explain system and parting sand, Q. Explain System and Parting sand? S...

Q. Explain System and Parting sand? System Sand: In mechanized foundries, where machine moulding is employed a so called "system sand" is used to fill the whole flask. Since

Evolution of specific volume of wet saturated steam, Evolution of Specific ...

Evolution of Specific volume of wet saturated steam -thermodynamics : Specific volume of wet saturated steam (V we t ) It is volume occupied by unit mass of wet satu

Calculate the temperature at the center of the pipe, Heat generated uniform...

Heat generated uniformly in Stainless steel plate having k=20 W/m. 0 C. The thickness of the plate is 1cm and the heat generation rate is 500 MW/m 3 . If the two sides of the plate

Newton''s second and third law of motion, Newton's second and  third law o...

Newton's second and  third law of motion: Newton's second law of motion: If resultant force is acting on particle is not zero, and then acceleration of particle will be prop

Sleepers - permanent way, Sleepers: The sleeper is the part of the tr...

Sleepers: The sleeper is the part of the track on which the rails rest. Its functions are : (a) To hold the rails to the correct gauge. (b) To transmit and distribute t

Calculate the damping ratio, A second order system defined by Where r(t)...

A second order system defined by Where r(t) is a unit step function. Calculate the damping ratio, damped natural frequency, undamped natural frequency, peak overshoot occurs, ri

Force analysis, explain with suitable eg. static and dynamic force analysis...

explain with suitable eg. static and dynamic force analysis

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