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Utilization of Electrical Energy Articles
Page 13 of 13
Comparison between Resistance Welding and Arc Welding
Resistance WeldingResistance welding is the welding process of joining of metals by applying mechanical pressure and passing a heavy current for a length of time through the metal parts which are to be joined. The chief advantage of the resistance welding is that it does not require any other material for creating the bond which makes it cost effective.Arc WeldingArc welding is the process in which the metals are joined by using electricity to create enough heat to melt metals, and the melted metals, when cool, result in the joining of the metals. The arc welding uses a welding power ...
Read MoreComparison between AC and DC Welding Machines
There are two types of electric currents used for welding process viz. AC and DC. There are many differences between the AC welding machine and the DC welding machine.AC Welding Machine Vs DC Welding MachineThe following table compares and contrasts the different features of AC and DC welding machines −AspectAC Welding MachineDC Welding MachineCostAC welding machine is less expansive.DC welding machine is 2 to 3 times costlier than AC welding machine.Size & WeightAC welding machine is smaller in size and light in weight.DC welding machine is larger in size and heavier in weight.OperationThe AC welding machine is simple to operate.The ...
Read MoreAtomic Hydrogen Arc Welding – Working, Advantages, Disadvantages and Applications
The atomic hydrogen arc welding is an arc welding process which uses an arc between two tungsten electrodes in a shielding atmosphere of hydrogen. The atomic hydrogen arc welding was invented by Irving Langmuir.The essentials of the atomic hydrogen arc welding are as follows −The electrical energy is supplied to create an arc between two tungsten electrodes where it is transformed into heat.The source of electrical energy could be either DC or AC, but in practice, AC supply should be chosen as it is commonly available.Molecular hydrogen is blown through the arc and transformed catalytically into the atomic form which ...
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