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

What is a uniformly distributed load, A UDL or uniformly distributed load i...

A UDL or uniformly distributed load is a load, which is reach over a beam in such a way that every unit length is laded to the similar extent.

Requirements for vessels with thickness, Q. Requirements for vessels with t...

Q. Requirements for vessels with thickness? The following additional requirements are applicable, as specified,  to Carbon Steel and Low Alloy steel pressure vessels with main

#strength of materials, Distribution of shearing stresses on l--sections an...

Distribution of shearing stresses on l--sections and miscellaneous sections

Noise attenuation in ventilating, Indicate size, capacity and noise reducin...

Indicate size, capacity and noise reducing characteristics of all silencers on plans, including silencers for vane-axial fans. Indicate all acoustical lining on drawings, genera

Calculation of total energy - thermodynamics, T ota l Energy: Total ...

T ota l Energy: Total energy possessed by system is the sum of all types of stored energy. Thus it will be given by E total  = PE + KE + U = mgh + 1/2mv 2  + U It is ex

Mechanical Vibrations in Strings, Description & Derivation of Mechanical Vi...

Description & Derivation of Mechanical Vibration in Strings, Rods and Aero Foil Flutter

Laminar flow, Consider fully developed laminar flow with constant propertie...

Consider fully developed laminar flow with constant properties in a circular tube. Let there be heat transfered  to or from  the fluid at a constant rate per unit of tube length.Ad

Hydraulic ram, definition and picture of hyreaulic ram

definition and picture of hyreaulic ram

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