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

Engine management system, A preamble to engine management systems for IC en...

A preamble to engine management systems for IC engines objectives, functionalities and main features

Discover the maximum thickness required, Discover the maximum thickness req...

Discover the maximum thickness required: A thin cylindrical vessel of 2 m diameter and 4 m length having a particular gas at a pressure of 1.65 N/mm 2 . If the allowable tensi

Venturi tube-main components of a carburettor , Venturi Tube: A ventu...

Venturi Tube: A venturi is basically an air passage that has a shape similar to that shown in Figure that is narrower at the middle known as venturi tube. As air travels thro

What is polymers, Q. What is polymers? The term "polymer" is derived fr...

Q. What is polymers? The term "polymer" is derived from the two Greek words: poly, meaning "many", and meros meaning "parts" or "units". Thus polymers are composed of a large n

Example of production rate, Example of Production Rate The turret lath...

Example of Production Rate The turret lathe section contains six machines, all devoted to the production of the similar part. The section operates 10 shifts/wk. The number of

Theory machines, Explain lower pair. and kinematics chair

Explain lower pair. and kinematics chair

Explain feed - cutting parameters, Explain Feed - Cutting Parameters ...

Explain Feed - Cutting Parameters 1. In cylindrical grinding feed is the longitude movement of the work piece per revolution. f=Feed in mm per work piece revolut

Evaluate the motion - smooth pulley, Evaluate the motion - Smooth pulley: ...

Evaluate the motion - Smooth pulley: Block B is accelerated along the horizontal plane via mass A attached to it by a flexible inextensible massless rope passing over a smooth

Part contact states, Part Contact States The loading, movement and unlo...

Part Contact States The loading, movement and unloading of parts via the manufacturing system should be scheduled through supervisory computer. In contrast along with classical

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