ANALISA PENGARUH VARIASI PENGELASAN ULANG DAN VARIASI KUAT ARUS PADA PLAT BAJA TERHADAP CACAT LAS DAN SIFAT MEKANIK

Syahriyo, Andre Firman (2018) ANALISA PENGARUH VARIASI PENGELASAN ULANG DAN VARIASI KUAT ARUS PADA PLAT BAJA TERHADAP CACAT LAS DAN SIFAT MEKANIK. Other thesis, Untag Surabaya.

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Abstract

The development in the world industry at the present time to begin to consider material armor for the main ingredient in the process of production .One of the metals steel ferro much be used throughout the technique world , for example used in the field of a construction executive , making tools utensil , farming tools , automotive components , and all structure of a metal will be affected by the influence of the outward force in the form of pressure and the styles of stringed voltage .The difference is that there the most fundamental value the tenacity on metal las , where the value of the ductility of metals las iron is always higher than the express with metal parent if . The process of welding repeated or repair can occur if the material is the result of an error or defect in the work on the court and repetition of work .Because there is a selection process welding this repeated to change the nature of micro on a mechanical and structure of the material .In general metallic properties las iron is more tenacious , so that needs to be done testing toughness material. The process of final task is done in the workshop cv.teknik surabaya tekasa for the welding metal shield welding process (SMAW). For the process of radiography and metallographic testing done in pt.robutec.sedangakan for rockwell hardness testing process done dirlaboratoriun engineering machine university 17 August 1945 surabaya.

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