The Physics Of Welding Process - 1162 Words

WELDING PROCESS Overview: It is defined as a process of joining two pieces of metals by heating the metal at high temperature which results in softening or melting of metals. There are various other ways of welding, they are as follows: †¢ With or without application of pressure. †¢ With or without the use of filling metals (Melting point is 800 º F) There is a tremendous progress in recent times over the new methods, applications and systems for welding. HISTORY OF METAL WORKING: This processes are practiced since the humans began to found that they could shape rocks by chipping them with other rocks. The first metal which were used by early human beings was copper that is Ductile (It can be easily bend or drawn, hammered). The welding technology began 3000 years ago in Egypt (4000 B.C and USA before 2000 B.C). The Old Testaments which were recovered from the earth’s crust reflects the use of Forged metals, bronze and iron metals. In between 3000 and 2000 B.C Bronze metal was developed and Iron came into existence several thousand years after the invention of copper. Philistine recovered four iron furnaces of 1300 B.C this was the same metals used in production of swords, chisels, daggers and spearheads. Egyptian began making iron tools during 900 to 850 B.C, they replaced usage of bronze in various manufacturing applications with iron after 800 B.C. INTRODUCTION: Welding is a process of joining two different materials, the large bulk of materials which are welded togetherShow MoreRelatedThe Military Sector Of The Marine Corps1734 Words   |  7 Pagesexploitation is a human endeavor and until unmanned technologies take over completely, is it not the Marines using the technologies that are the assets? In the civilian sector, experience is often necessary in most fields; however, machining and welding are lifetime professions in which experience is highly sought after. 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