Journal Article

FZJ-2013-03273

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Realization of a titanium spinal implant with a gradient in porosity by 2-Component-Metal Injection Moulding

Cysne Barbosa, A. P. ; Bram, M. (Corresponding author)FZJ* ; Stöver, D.FZJ* ; Buchkremer, H. P.FZJ*

2013
Wiley-VCH Verl. Weinheim

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Please use a persistent id in citations: doi:10.1002/adem.201200289

Abstract: 2-Component-Metal Injection Moulding (2-C-MIM) is a technique derived from plastics industry which has been adapted to metal powders. In the present work, the production of titanium implants with a gradient in porosity was demonstrated by using this technology, starting from titanium feedstocks with and without space holder particles (NaCl, 350-500 μm). Binder systems specially tailored for the application were developed. The gradient in porosity is attractive for biomedical implants, as it combines low porous parts with high mechanical strength with high porous parts, which promote a stable interlock between bone tissue and implant. Compared to established production routes, the net-shape fabrication of titanium implants by 2-C-MIM promises a significant reduction of cost if aiming at large scale production. The feasibility study was accompanied by a detailed characterisation of each production step of 2-C-MIM process including influence of MIM processing on mechanical properties.

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Contributing Institute(s):

1. Werkstoffsynthese und Herstellungsverfahren (IEK-1)

Research Program(s):

1. 899 - ohne Topic (POF2-899) (POF2-899)

Appears in the scientific report 2013

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Database coverage:
; Current Contents - Life Sciences ; JCR ; SCOPUS ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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