Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4364
Title: Effects of compaction pressure and particle shape on the porosity and compression mechanical properties of sintered Ti6Al4V powder compacts for hard tissue implantation
Authors: Güden, Mustafa
Çelik, Emrah
Hızal, Alpay
Altındiş, Mustafa
Çetiner, Sinan
Keywords: Titanium (alloys)
Mechanical properties
Porous
Compression
Issue Date: 2007
Publisher: John Wiley and Sons Inc.
Source: Güden, M., Çelik, E., Hızal, A., Altındiş, M. & Çetiner, S: (2007). Effects of compaction pressure and particle shape on the porosity and compression mechanical properties of sintered Ti6Al4V powder compacts for hard tissue implantation. Journal of Biomedical Materials Research Part B Applied Biomaterials, 85B(2), 547-555. doi: 10.1002/jbm.b.30978
Abstract: Sintered Ti6Al4V powder compacts potentially to be used in implant applications were prepared using commercially available spherical and angular powders (100-200 mum) within the porosity range of 34-54%. Cylindrical green powder compacts were cold compacted at various pressures and then sintered at 1200 degrees C for 2 h. The final percent porosity and mean pore sizes were determined as functions of the applied compaction pressure and powder type. The mechanical properties were investigated through compression testing. Results have shown that yield strength of the powder compacts of 40-42% porosity was comparable with that of human cortical bone. As compared with previously investigated Ti powder compacts, Ti6Al4V powder compacts showed higher strength at similar porosity range. Microscopic observations on the failed compact samples revealed that failure occurred primarily by the separation of interparticle bond regions in the planes 45 degrees to the loading axis. Effects of compaction pressure and particle shape on the porosity and compression mechanical properties of sintered Ti6Al4V powder compacts for hard tissue implantation.
URI: http://doi.org/10.1002/jbm.b.30978
http://hdl.handle.net/11147/4364
ISSN: 1552-4973
1552-4981
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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