Influence of Heat Treatment on the Degradation Behaviour of Degradable Magnesium Based Implants

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Bracht, K.; Angrisani, N.; Seitz, J.; Besdo, S.; Reifenrath, J.: Influence of Heat Treatment on the Degradation Behaviour of Degradable Magnesium Based Implants. In: Biomedical Engineering / Biomedizinische Technik 58 (2013), Nr. Sl-1 Track C. DOI: http://dx.doi.org/10.1515/bmt-2013-4057

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Sum total of downloads: 172




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Abstract: 
Aim of the study was to characterise the influence of heat treatment on the degradation behaviour and stability of degradable magnesium based implants. For this purpose two groups (untreated/ heat treated) of LAE442 pins were separately analysed in an in vitro and in vivo study. The corrosion behaviour was evaluated during 8 weeks degradation in SBF (in vitro) and 48 weeks degradation intramedullary in the rabbit tibia (in vivo). The analyses were made by using μ-computed tomography and three-point-bending tests. Heat treatment led to altered mechanical and corrosion properties of LAE442.While the initial stability declined significantly a reduction of the degradation rate over either in vitro and in vivo evaluation period is determined. If these alterations are still reasonable for osteosynthesis implants remains to be investigated in further projects.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2013-08
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
total perc.
1 image of flag of Germany Germany 149 86.63%
2 image of flag of United States United States 7 4.07%
3 image of flag of China China 5 2.91%
4 image of flag of Vietnam Vietnam 2 1.16%
5 image of flag of No geo information available No geo information available 1 0.58%
6 image of flag of Russian Federation Russian Federation 1 0.58%
7 image of flag of Cambodia Cambodia 1 0.58%
8 image of flag of Hungary Hungary 1 0.58%
9 image of flag of Georgia Georgia 1 0.58%
10 image of flag of Austria Austria 1 0.58%
    other countries 3 1.74%

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