Prasetyo, Yanuar Dwi (2016) Pengaruh Variasi Tegangan Dalam Proses Elektroplating Seng Pada Baja Api 5l Grade B Terhadap Ketahanan Korosi, Kekuatan Adhesi, Dan Ketebalan Lapisan. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
Preview |
Text
2712100147-undergraduate.pdf - Published Version Download (2MB) | Preview |
Abstract
Baja banyak digunakan di dunia industri khususnya bidang perminyakan dan gas, bagaimanapun baja mempunyai keterbatasan pada ketahanan korosi. Elektroplating adalah salah satu contoh pelapisan untuk menyelesaikan masalah tersebut. Pelapisan ini menggunakan arus listrik searah dengan cara kerja yang mirip elektrolisis dengan variasi tegangan 30,35,40,45 volt., logam inert sebagai anoda dan logam dasar (spesimen) sebagai katoda. Hasil proses elektroplating adalah lapisan deposit logam pada permukaan baja (katoda). Pada penelitian ini, grafit sebagai anoda , baja API 5L Grade B berperan sebagai katoda dan larutan ZnSO4 bertindak elektrolit. Pengujian kekuatan adhesi, ketebalan dan ketahanan korosi dilakukakan pada hasil elektroplating. Dari hasil pengujian ketebalan dan kelekatan didapatkan fakta bahwa peningkatan tegangan mengakibatkan ketebalan dan kekuatan adhesi.Pada hasil lainnya, laju korosi terjadi penurunan. Nilai ketebalan dan kekuatan adhesi tertinggi secara berurutan ialah 45,39 μm dan 9,36 Mpa sedangkan nilai laju korosi terendah ialah 0,210 mm/y pada variasi tegangan 45 volt.
=========================================================
Steel is most used in industrial especially in oil and gas field, somehow steel has limiitation in corrosion resistance. Electroplating is one of coating method to solve the problems. This coating uses direct current that is like electrolysis process with variation of voltage at 30, 35, 40, 45 volt, inert metal acts as anode and base metal (specimen) as cathode. Electroplating process result is deposite metal layer on the steel surface (cathode). In this study, graphite is used as the anode, API 5L Grade B as cathode and ZnSO4 solution as electrolyte. Testing of adhesion strength, thickness and corrosion resistance on electroplating results were conducted. From the results are found that increase voltage causes increasing the thickness and adhesive strength. On the other hand, the corrosion rate is decreased. The highest value of thickness and adhesive strength are 45.39 μm and 9.36 Mpa, respectively and the value of lowest corrosion rate is 0.210 mm/y on a 45 volt.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSMt 671.732 Pra p-1 |
| Uncontrolled Keywords: | Coating, Variasi Tegangan, Elektroplating, Ketahanan Korosi, Kekuatan Adhesi, Ketebalan Lapisan |
| Subjects: | T Technology > TN Mining engineering. Metallurgy T Technology > TN Mining engineering. Metallurgy > TN690 Metallography. Physical metallurgy |
| Divisions: | Faculty of Industrial Technology > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | EKO BUDI RAHARJO |
| Date Deposited: | 22 Oct 2019 03:03 |
| Last Modified: | 22 Oct 2019 03:03 |
| URI: | http://repository.its.ac.id/id/eprint/71336 |
Actions (login required)
 |
View Item |