Gaol, Yosafat Tri Firdaus L. (2023) Pengujian Hasil Elektroda Baik Dengan Elektroda Yang Terkontaminasi Air Terhadap Hasil Las Dengan Uji Impact Dan Uji Tarik. Diploma thesis, Politeknik Negeri Bengkalis.
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Abstract
Good welding results are also determined by the electrodes used in the welding process. For this reason, this study examined the effect of the type and condition of the covered electrode on SMAW welding on low carbon steel ST42. The ST-42 low carbon steel metal joining process uses electrodes of types E7016 and E7018. The two types of electrodes used are treated with various conditions on the electrodes, including the condition of the new electrode being removed from the package, the electrode being moistened in free air, the electrode being immersed in water beforehand and the electrode being heated in an electrode heating oven to a temperature of 150ºC. After that, an analysis of the defects from the welding results was carried out and an analysis of the hardness, tensile strength and impact value of the welding results. From the results of mechanical testing there are differences between the conditions of the electrodes and it can be recommended that the preheated electrode has better toughness and weldability.
| Item Type: | Thesis (Diploma) | ||||||||
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| Uncontrolled Keywords: | Glassing, Condition of Electrodes, Mechanical Properties | ||||||||
| Subjects: | 410 ILMU TEKNIK > 480 ILMU PERKAPALAN > 481 Teknik Perkapalan 900 RUMPUN ILMU LAINNYA |
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| Divisions: | Jurusan Teknik Perkapalan > Diploma Tiga Teknik Perkapalan > TUGAS AKHIR | ||||||||
| Depositing User: | TEKNIK PERKAPALAN B | ||||||||
| Date Deposited: | 31 Oct 2023 15:31 | ||||||||
| Last Modified: | 15 Feb 2024 11:54 | ||||||||
| URI: | http://eprints.polbeng.ac.id/id/eprint/11142 |
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