Semi-solid processing of porous magnesium using Titanium Wire Space Holder (TWSH) for biodegradable bone scaffold application

Irza, Sukmana and Ulin, Herlina and Anton Sapto, Handoko and Erik, Prasetyo and Yanuar, Burhanuddin and Tarkono, Tarkono and Fauzi, Ibrahim and Yanuar Zulardiansyah, Arief (2023) Semi-solid processing of porous magnesium using Titanium Wire Space Holder (TWSH) for biodegradable bone scaffold application. AIP Conference Proceedings, 2601 (1). pp. 1-11. ISSN 1551-7616

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Abstract

Porous magnesium is one of the materials that can be used as a bulk bone implant (Scaffold) because it can be used in human body tissues and is biodegradable, non-toxic and resembles natural bones. The shape of the pore in magnesium with interconnections that resemble the original bone is a challenge in the manufacture of porous magnesium for bone scaffold material. Therefore, research activities to make porous magnesium using Titanium Wire Space Holder (TWSH) with a semi-solid process to produce bone scaffold material that is biodegradable. The process carried out in this study is to compact and sinter the powder magnesium material with titanium wire using a squeeze casting tool in a semi-solid process, then dissolved using a solution of hydro fluoride acid to form porous magnesium. The tests performed are corrosion rate, density and porosity, hardness and SEM-EDX. This study succeeded in fabricating porous magnesium, which has the potential to be a bone scaffold material where the variation of the test material that approaches bone properties is a specimen with a sintering temperature of 570 °C with composition of Ti:Mg=2:3.

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