Timotius, Peter Andreas (2017) Pengaruh Variasi Temperatur Dan Waktu Tahan Sintering Terhadap Morfologi, Sifat Mekanik, Dan Laju Degradasi Material Biodegradable Mg-Zn-Cu Dengan Metode Metalurgi Serbuk Untuk Aplikasi Orthopedic Devices. Undergraduate thesis, INSTITUT TEKNOLOGI SEPULUH NOPEMBER.
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Abstract
Salah satu cara untuk mengatasi masalah patah tulang adalah dengan menggunakan material implan biodegradable yang mana akan menyambung tulang yang patah. Selain itu, material biodegradable akan luruh dalam tubuh seiring dengan proses osifikasi sehingga tidak perlu adanya operasi kedua. Disisi lain, telah banyak diteliti paduan Mg yang dibuat menggunakan metode pengecoran yang mana tidak dapat memberi banyak poros seperti dengan memakai metode metalurgi serbuk. Penelitian ini betujuan untuk mengembangkan material biodegradable berbasis Mg dengan metode metalurgi serbuk. Variasi yang digunakan dalam penelitian ini adalah temperatur (500 oC, 550 oC, dan 600 oC) dan waktu tahan sintering (30, 60, dan 90 menit). Pengujian morfologi dan senyawa menggunakan XRD dan SEM-EDX, pengujian sifat mekanik menggunakan uji tekan dan kekerasan, pengujian laju degradasi menggunakan uji weight loss, pengujian porositas menggunakan uji apparent porosity. Dari penelitian yang telah dilakukan, berdasarkan sifat mekanik didapatkan bahwa material paduan Mg-Zn-Cu dengan variasi temperatur sintering 550 oC dan waktu tahan 90 menit merupakan spesimen yang paling sesuai untuk diaplikasikan untuk orthopedic devices, dengan nilai kekuatan tekannya sebesar 175,14 MPa dan nilai kekerasan sebesar 410,59 MPa Berdasarkan laju degradasinya, paduan Mg-Zn-Cu dengan variasi temperatur sintering dan laju degradasi sebesar 8,57 cm/tahun. Adapun semakin meningkatnya temperatur dan waktu tahan sintering maka akan mengurangi laju degradasi paduan Mg-Zn-Cu.
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One of the ways to solve broken bone problems is by using biodegradable material implant that would connect the broken bones. Besides, these biodegradable materials would degrade inside the body during the ossification so there would be no secondary surgeon. In the other hand, Mg alloy made from casting process has been researched which did not give many porous as in the process of powder metallurgy. This research was meant to analyze the effect of sintering temperature and holding time on
properties of Mg alloy for orthopedic devices application. Variations used in this research was temperature (500 oC, 550 oC, dan 600 oC) and holding time of sintering (30, 60, and 90 minutes).
Morphology and compound test were carried by XRD and SEM-EDX, mechanical properties test was carried by compressive and hardness test, degradation rate test was carried by weight loss test, and porosity test was carried by apparent porosity test. From the finished research, the results showed that Mg-Zn-Cu specimen with variation sintering of 550 oC and 90 minutes was the most
appropriate specimen for the application of orthopedic devices. The compressive strength is 175,14 MPa, the hardness value is 410,59 MPa, and degradation rate of 8,57 cm/year. The other conclusion was that with increasing sintering temperature and x holding time would decrease the degradation rate of Mg-Zn-Cu
alloy.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | Pengembangan material biodegradable berbasis magnesium untuk aplikasi implan tulang. |
| Uncontrolled Keywords: | Biodegradable material, Mg, orthopedic device, powder metallurgy, sintering |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA418.74 Corrosion and anti-corrosives T Technology > TA Engineering (General). Civil engineering (General) > TA418.9 Composite materials. Laminated materials. |
| Divisions: | Faculty of Industrial Technology > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | Peter Andreas Timotius |
| Date Deposited: | 03 Oct 2017 05:15 |
| Last Modified: | 03 Jan 2018 03:40 |
| URI: | http://repository.its.ac.id/id/eprint/43503 |
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