Publisher DOI: 10.1016/j.scriptamat.2017.12.022
Title: Dealloying-based metal-polymer composites for biomedical applications
Language: English
Authors: Okulov, A. V. 
Volegov, A. S. 
Weissmüller, Jörg 
Markmann, Jürgen 
Okulov, Ilya 
Issue Date: 15-Mar-2018
Source: Scripta Materialia (146): 290-294 (2018-03-15)
Journal or Series Name: Scripta Materialia 
Abstract (english): Here, we developed interpenetrating-phase metal-polymer composites mimicking mechanical behavior of cortical bone and occupying previously unclaimed region at the Ashby diagram in the area of intermediate strength and low stiffness. The composites consist of dealloying-based open porous TixHf100 − x alloys (scaffolds) impregnated by polymer. The scaffolds significantly contribute to strength (215–266 MPa) and stiffness (15.6–20.8 GPa) of the composites while the polymer phase provides their high strain rate sensitivity (0.037–0.044). Tuning scaffolds' connectivity by preloading and/or their chemical composition allows fine optimization of composites' mechanical properties. The results suggest that the composites may provide a basis for promising future implant materials.
ISSN: 1359-6462
Institute: Werkstoffphysik und -technologie M-22 
Type: (wissenschaftlicher) Artikel
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