Porous Magnesium for Medical Applications - Influence of Powder Size on Mechanical Properties

Jaroslav Čapek; Dalibor Vojtěch

doi:10.4028/www.scientific.net/KEM.592-593.342

Paper Titles

Details of the Formation of Superstructures in the Process of Ordering in Cu-Pt Alloys
p.321

Preparing of Silver Nanoparticles by Selective Dissolving of Aluminium Matrix
p.325

Glass Surface Refining by Deposition of Nano-Particles
p.329

Quantum-Mechanical Study of Single-Crystalline and Polycrystalline Elastic Properties of Mg-Substituted Calcite Crystals
p.335

Porous Magnesium for Medical Applications - Influence of Powder Size on Mechanical Properties
p.342

Fractographic Analysis of Surface and Failure Mechanisms of Nanotitanium after Laser Shock-Wave Treatment
p.346

Multiscale Heterogeneity of Bone Microporosities and Tissue Scaffolds
p.350

Analysis of Compressive Properties of Porcine Temporomandibular Joint Disc
p.354

Experimental Studies of Elastic Properties of Dental Enamel and Photopolymer Used for early Caries Treatment
p.358

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Porous Magnesium for Medical Applications - Influence of Powder Size on Mechanical Properties

Abstract:

Porous magnesium materials appear to be promising candidates for scaffold production. In this work we prepared porous magnesium samples by powder metallurgy using ammonium bicarbonate as space-holder particles. We focused on the influence of the magnesium powder size and shape on product characteristics. Samples prepared using magnesium chips showed significantly worse flexural properties than samples with similar porosities prepared from an equi-axed magnesium powder. Therefore, we can conclude that spherical particles are more suitable for the preparation of porous objects by powder metallurgy.