Metal Injection Molding (MIM) of Magnesium and Its Alloys
Current research has highlighted that magnesium and its alloys as biodegradable material are highly suitable for biomedical applications. The new material fully degrades into nontoxic elements and offers material properties matching those of human bone tissue. As biomedical implants are rather small...
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doaj-103b17457bd7475db194080f9dadf4c52020-11-24T23:50:53ZengMDPI AGMetals2075-47012016-05-016511810.3390/met6050118met6050118Metal Injection Molding (MIM) of Magnesium and Its AlloysMartin Wolff0Johannes G. Schaper1Marc René Suckert2Michael Dahms3Frank Feyerabend4Thomas Ebel5Regine Willumeit-Römer6Thomas Klassen7Helmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Materials Research, Division Metallic Biomaterials, Max-Planck Straße 1, Geesthacht D-21502, GermanyHelmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Materials Research, Division Metallic Biomaterials, Max-Planck Straße 1, Geesthacht D-21502, GermanyMaschinenbau, Verfahrenstechnik und Maritime Technologien, University of Applied Sciences, Hochschule Flensburg, Kanzleistraße 91-93, Flensburg D-24943, GermanyMaschinenbau, Verfahrenstechnik und Maritime Technologien, University of Applied Sciences, Hochschule Flensburg, Kanzleistraße 91-93, Flensburg D-24943, GermanyHelmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Materials Research, Division Metallic Biomaterials, Max-Planck Straße 1, Geesthacht D-21502, GermanyHelmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Materials Research, Division Metallic Biomaterials, Max-Planck Straße 1, Geesthacht D-21502, GermanyHelmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Materials Research, Division Metallic Biomaterials, Max-Planck Straße 1, Geesthacht D-21502, GermanyFakultät für Maschinenbau, Helmut Schmidt University, Holstenhofweg 85, Hamburg D-22043, GermanyCurrent research has highlighted that magnesium and its alloys as biodegradable material are highly suitable for biomedical applications. The new material fully degrades into nontoxic elements and offers material properties matching those of human bone tissue. As biomedical implants are rather small and complex in shape, the metal injection molding (MIM) technique seems to be well suited for the near net shape mass production of such parts. Furthermore, MIM of Mg-alloys is of high interest in further technical fields. This study focusses on the performance of MIM-processing of magnesium alloy powders. It includes Mg-specific development of powder blending, feedstock preparation, injection molding, solvent and thermal debinding and final sintering. Even though Mg is a highly oxygen-affine material forming a stable oxide layer on each particle surface, the material can be sintered to nearly dense parts, providing mechanical properties matching those of as cast material. An ultimate tensile strength of 142 MPa, yield strength of 67 MPa, elastic modulus of 40 GPa and 8% elongation at fracture could be achieved using novel organic polymer binders for the feedstock preparation. Thus, first implant demonstrator parts could be successfully produced by the MIM technique.http://www.mdpi.com/2075-4701/6/5/118magnesiumsinteringmetal injection moldingMIMbiodegradable |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Martin Wolff Johannes G. Schaper Marc René Suckert Michael Dahms Frank Feyerabend Thomas Ebel Regine Willumeit-Römer Thomas Klassen |
spellingShingle |
Martin Wolff Johannes G. Schaper Marc René Suckert Michael Dahms Frank Feyerabend Thomas Ebel Regine Willumeit-Römer Thomas Klassen Metal Injection Molding (MIM) of Magnesium and Its Alloys Metals magnesium sintering metal injection molding MIM biodegradable |
author_facet |
Martin Wolff Johannes G. Schaper Marc René Suckert Michael Dahms Frank Feyerabend Thomas Ebel Regine Willumeit-Römer Thomas Klassen |
author_sort |
Martin Wolff |
title |
Metal Injection Molding (MIM) of Magnesium and Its Alloys |
title_short |
Metal Injection Molding (MIM) of Magnesium and Its Alloys |
title_full |
Metal Injection Molding (MIM) of Magnesium and Its Alloys |
title_fullStr |
Metal Injection Molding (MIM) of Magnesium and Its Alloys |
title_full_unstemmed |
Metal Injection Molding (MIM) of Magnesium and Its Alloys |
title_sort |
metal injection molding (mim) of magnesium and its alloys |
publisher |
MDPI AG |
series |
Metals |
issn |
2075-4701 |
publishDate |
2016-05-01 |
description |
Current research has highlighted that magnesium and its alloys as biodegradable material are highly suitable for biomedical applications. The new material fully degrades into nontoxic elements and offers material properties matching those of human bone tissue. As biomedical implants are rather small and complex in shape, the metal injection molding (MIM) technique seems to be well suited for the near net shape mass production of such parts. Furthermore, MIM of Mg-alloys is of high interest in further technical fields. This study focusses on the performance of MIM-processing of magnesium alloy powders. It includes Mg-specific development of powder blending, feedstock preparation, injection molding, solvent and thermal debinding and final sintering. Even though Mg is a highly oxygen-affine material forming a stable oxide layer on each particle surface, the material can be sintered to nearly dense parts, providing mechanical properties matching those of as cast material. An ultimate tensile strength of 142 MPa, yield strength of 67 MPa, elastic modulus of 40 GPa and 8% elongation at fracture could be achieved using novel organic polymer binders for the feedstock preparation. Thus, first implant demonstrator parts could be successfully produced by the MIM technique. |
topic |
magnesium sintering metal injection molding MIM biodegradable |
url |
http://www.mdpi.com/2075-4701/6/5/118 |
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