Corrosion and bioactivity analysis of Mg-based implant developed by SPS Technique

In the present research work, corriosn resistance and bioactivity of Mg-based alloys were investigated. The degradable Mg-based alloy for bone fixation devices was manufactured using a mechanical alloy-assisted SPS technique. The effect of MA-SPS produced alloys on the morphology, and mechnaical properties was investigated. The impact of Hydroxyapatite, sintering temperature and sintering pressures was evaluated. The surface morphology, corrosion resistance, and bioactivity of SPS fabricated composites were analysed. Hydroxyapatite (HA) was obviously added to the Mg-matrix to modify the Morphology, which has resulted in the observation of coarse porous Mg with HA morphology. In Mg with HA implants, several biocompatible intermetallic phases have been produced, which are beneficial for improved corrosion and bio-activity properties. The HA presence improved the bioactivity of Mg-compact and can be used for biomedical applications.

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