التفاصيل البيبلوغرافية
| العنوان: |
The effect of ball variations in ball milling process and heating on calcium content of freshwater snail shells (sulcospira) powder. |
| المؤلفون: |
Verdian, Riza1 (AUTHOR), Sari, Nurfitri Rahmi1 (AUTHOR), Deris, Yogi1 (AUTHOR), Ilhamdi1 (AUTHOR), Affi, Jhon1 (AUTHOR), Ridwan, Firman1 (AUTHOR), Gunawarman1 (AUTHOR) gunawarman@eng.unand.ac.id |
| المصدر: |
AIP Conference Proceedings. 2024, Vol. 2891 Issue 1, p1-6. 6p. |
| مصطلحات موضوعية: |
*SEASHELLS, *SNAIL shells, *FRESHWATER snails, *ENTHALPY, *BALL mills, *POWDERS, *MECHANICAL alloying, *YANG-Mills theory |
| مستخلص: |
This study aims to obtain substitute material for metal-based bone implants. Apart from several biocompatibility challenges, the metal implant procedure requires two operations during the recovery stage, which bring discomfort to the patients. The material under study is the shells of freshwater snails (Sulcospira). The shell is rich in calcium, which can be processed into hydroxyapatite (HA). Hydroxyapatite is the potential to replace metal implants since it has similar properties to human bone. The research was conducted by grinding the shells using ball milling at a speed of 200 rpm for 15 minutes with four repetitions. Between millings, heating was conducted up to the temperature of 900°C for four hours. The powder coarseness was observed using a vibrating sieve. The characterization was carried out using a Scanning Electron Microscope (SEM) and Energy Dispersive X-ray (EDX). The results show that the calcium content reached 65% after milling four times with an average powder size of 67 µm. The result obtained in this research is better than previous studies, with a 55% calcium level and an average size of 67 µm. [ABSTRACT FROM AUTHOR] |
| قاعدة البيانات: |
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