Wicaksono, Iqbal Wahyu and , Agung Setya Wardana, S.TP.,M.Si (2019) Modifikasi Komposisi dan Struktur Mikro dengan Plasma Nitrokarburasi untuk Meningkatkan Kekerasan dan Ketahanan Aus Titanium Murni Komersial. Skripsi thesis, Universitas Muhammadiyah Surakarta.
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Abstract
The development of advanced technology at this time requires good quality materials, especially those made from metal. Mechanical properties of metal materials such as: hardness, strength, ductility, and wear resistance which always relates to the composition and microstructure of the material. This development encourges the need of the metal composition and microstructure in research an tecnology. The objective of the study is to investigate the influence of the composition ratio of N 2 and CH 4 gases (1:1, 1:2, 1:3, and 1:4) to composition, microstructure, hardness, and wear rate at commercially pure titanium surface. In this study, duration process, temperature, and pressure are maintened constant at 4 hours, 450 o C, and 1,6 mBar, respectivelly. The result shows that the hardness increased from 105,75 VHN to 236,32 VHN. The optimum hardness occurred under plasma nitrocarburizing at temperature of 450 o C, pressure of 1,6 mBar, and duration time of 4 hours. Meanwhile, wear rate decreased from 4,0148 × 10 -8 mm 2 / kg to 6,140 × 10 −9 mm 2 / kg. The increased hardness and the decreased wear rate occurred because TiN and TiC compounds was formed at the surface of commercially pure titanium Keyword : Plasma, Nitrocarburizing, Titanium, Composition.
| Item Type: | Karya ilmiah (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Keyword : Plasma, Nitrocarburizing, Titanium, Composition. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | IQBAL WAHYU WICAKSONO |
| Date Deposited: | 31 Jan 2019 02:21 |
| Last Modified: | 31 Jan 2019 02:21 |
| URI: | http://eprints.ums.ac.id/id/eprint/70269 |
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