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Welding is the process by the means of which two metals are joined through the application of heat. It is a common industrial process as well and can also be carried out at our homes for simple repairs. When the weld is made with a good forge, it is very hard to detect with the naked eye. Also the joint that is made though welding is strong and this can be used to make solid structures.

There has been a lot of research in the field of welding. The use of welding to join metals has been so widespread that continuous efforts have been taken to improve on the standard and quality on welding. There has been a great amount of research that has gone into the whole process of welding which has resulted in welding becoming a staple and simple means to join two metals together.

During the times of world war one; the welding process saw a steep surge in their demand. This is because welder the various welding processes were used and required in the machinery that was a part of the war. Ships were made out of the welding process as well as guns and other such equipment were manufactured with the help of welding. Around this time, welding was powered with the help of DC current alone as AC current was not discovered as of yet.

Welding is a series using warmth or pressure to join mutually resources such as metal or synthetic. Welding Equipment is a normal way for joining metals, and is used in the manufacture of many goods, including automobiles, ships, trains, buildings, and bridges.

This is a form of welding where the metals are joined without actually melting them. These are also known as solid state welding process. In this process, the metals to be welded are brought together under high pressure and strong vibrations are passed through the metals. Ultrasonic acoustic vibrations are applied to the metal locally which creates the weld between the two welds. This method is very effective in joining metals that are not similar.

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This is a welding technique that does not melt the metal to make the weld. This type of welding is normally done to make electrical connections out of aluminum or copper. This is almost similar to resistance welding but instead of heat that is used to melt the metals, the energy is provided in form of vibrations. The metals pieces in high pressure join with each other under the influence of the vibrations.

Resistance welding is a welding process that is used to join two or more metals. In this process, heat is generated with the help of the property of resistance between the two metals. When the two metals are in contact, a high current of 1000 A to 10,000 A is passed and heat is generated by the resistance property of the two metals. This heat will cause the metals to melt and small pools of molten metal will be formed. When these pools are cooled down, they form a hard metal bond between the metals which would create a perfect weld.

The primary process of welding is the creation of an electric arc between the electrode and the metal. This arc should be stable and maintained between the electrode and the metal. The arc is created when electricity is passed through the electrode. A consumable or a non consumable electrode can be used in the process of welding. The welding process melts down the metals and the two melted metals join in their molten form to form a slag.

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