Hydrogen release from titanium hydride in foaming of orthopedic NiTi scaffolds

Suh, 1998, Recent advances in biomaterials, Yonsei Med J, 39, 87, 10.3349/ymj.1998.39.2.87 Hutmacher, 2000, Scaffolds in tissue engineering bone and cartilage, Biomaterials, 21, 2529, 10.1016/S0142-9612(00)00121-6 Hollister, 2005, Porous scaffold design for tissue engineering, Nat Mater, 4, 518, 10.1038/nmat1421 Zhao, 2005, Compression behavior of porous NiTi shape memory alloy, Acta Mater, 53, 337, 10.1016/j.actamat.2004.09.029 Itin, 1994, Mechanical-properties and shape-memory of porous nitinol, Mater Charact, 32, 179, 10.1016/1044-5803(94)90087-6 Zhao, 2006, Study on energy absorbing composite structure made of concentric NiTi spring and porous NiTi, Int J Solids Struct, 43, 2497, 10.1016/j.ijsolstr.2005.06.043 Simske, 1995, Cranial bone apposition and ingrowth in a porous nickel–titanium implant, J Biomed Mater Res, 29, 527, 10.1002/jbm.820290413 Prymak, 2005, Morphological characterization and in vitro biocompatibility of a porous nickel–titanium alloy, Biomaterials, 26, 5801, 10.1016/j.biomaterials.2005.02.029 Greiner, 2005, High strength, low stiffness, porous NiTi with superelastic properties, Acta Biomater, 1, 705, 10.1016/j.actbio.2005.07.005 Wu, 2008, A biomimetic hierarchical scaffold: natural growth of nanotitanates on three-dimensional microporous Ti-based metals, Nano Lett, 8, 3803, 10.1021/nl802145n Banhart, 2001, Manufacture, characterization and application of cellular metals and metal foams, Prog Mater Sci, 46, 559, 10.1016/S0079-6425(00)00002-5 Lagoudas, 2002, Processing and characterization of NiTi porous SMA by elevated pressure sintering, J Intell Mater Syst Struct, 13, 837, 10.1177/1045389X02013012009 Zhu, 2004, Processing of porous TiNi shape memory alloy from elemental powders by Ar-sintering, Mater Lett, 58, 2369, 10.1016/j.matlet.2004.02.017 Chu, 2004, Fabrication of porous NiTi shape memory alloy for hard tissue implants by combustion synthesis, Mater Sci Eng A, 366, 114, 10.1016/j.msea.2003.08.118 Kim, 2004, Porous TiNi biomaterial by self-propagating high-temperature synthesis, Adv Eng Mater, 6, 403, 10.1002/adem.200405151 Yuan, 2004, Microstructure and martensitic transformation behavior of porous NiTi shape memory alloy prepared by hot isostatic pressing processing, Mater Sci Eng A, 382, 181, 10.1016/j.msea.2004.04.068 Shishkovsky, 2008, Porous biocompatible implants and tissue scaffolds synthesized by selective laser sintering from Ti and NiTi, J Mater Chem, 18, 1309, 10.1039/b715313a Gu, 2009, Synthesis and bioactivity of porous Ti alloy prepared by foaming with TiH2, Mater Sci Eng C Biomimetic Supramol Syst, 29, 1515, 10.1016/j.msec.2008.11.003 Oppenheimer, 2009, Porous NiTi by creep expansion of argon-filled pores, Mater Sci Eng A Struct Mater Prop Microstruct Process, 523, 70, 10.1016/j.msea.2009.05.045 Queheillalt, 2000, Creep expansion of porous Ti–6Al–4V sandwich structures, Metall Mater Trans A Phys Metall Mater Sci, 31, 261, 10.1007/s11661-000-0070-x Murray, 2004, Effect of thermal history on the superplastic expansion of argon-filled pores in titanium: Part I. Kinetics and microstructure, Acta Mater, 52, 2269, 10.1016/j.actamat.2004.01.039 Wu, 2007, Pore formation mechanism and characterization of porous NiTi shape memory alloys synthesized by capsule-free hot isostatic pressing, Acta Mater, 55, 3437, 10.1016/j.actamat.2007.01.045 Wen, 2001, Processing of biocompatible porous Ti and Mg, Scripta Mater, 45, 1147, 10.1016/S1359-6462(01)01132-0 Bansiddhi, 2008, Shape-memory NiTi foams produced by replication of NaCl space-holders, Acta Biomater, 4, 1996, 10.1016/j.actbio.2008.06.005 Li, 2009, High-porosity NiTi superelastic alloys fabricated by low-pressure sintering using titanium hydride as pore-forming agent, J Mater Sci, 44, 875, 10.1007/s10853-008-3193-x Kohl, 2009, Powder metallurgical near-net-shape fabrication of porous NiTi shape memory alloys for use as long-term implants by the combination of the metal injection molding process with the space-holder technique, Adv Eng Mater, 11, 959 Malachevsky, 2009, Thermal evolution of titanium hydride optimized for aluminium foam fabrication, Scripta Mater, 61, 1, 10.1016/j.scriptamat.2008.12.023 Yang, 2007, Effect of decomposition properties of titanium hydride on the foaming process and pore structures of Al alloy melt foam, Mater Sci Eng A Struct Mater Prop Microstruct Process, 445, 415, 10.1016/j.msea.2006.09.064 Kennedy, 2003, The decomposition behavior of as-received and oxidized TiH2 foaming-agent powder, Mater Sci Eng A Struct Mater Prop Microstruct Process, 357, 258, 10.1016/S0921-5093(03)00211-9 Zschommler Sandim, 2005, Kinetics of thermal decomposition of titanium hydride powder using in situ high-temperature X-ray diffraction (HTXRD), Mater Res, 8, 293, 10.1590/S1516-14392005000300012 Matijasevic-Lux, 2006, Modification of titanium hydride for improved aluminium foam manufacture, Acta Mater, 54, 1887, 10.1016/j.actamat.2005.12.012 Li, 1998, Anisotropy of dimensional change and its corresponding improvement by addition of TiH2 during elemental powder sintering of porous NiTi alloy, Mater Sci Eng A Struct Mater Prop Microstruct Process, 255, 70, 10.1016/S0921-5093(98)00780-1 Zhao, 2006, Processing of porous NiTi by spark plasma sintering method, Proc SPIE, 6170, 17013 Aydogmus, 2009, Processing of porous TiNi alloys using magnesium as space holder, J Alloys Compd, 478, 705, 10.1016/j.jallcom.2008.11.141 Wu, 2006, Surface characteristics, mechanical properties, and cytocompatibility of oxygen plasma-implanted porous nickel titanium shape memory alloy, J Biomed Mater Res Part A, 79, 139, 10.1002/jbm.a.30705 Wu, 2008, Phase transformation behavior of porous NiTi alloys fabricated by capsule-free hot isostatic pressing, J Alloys Compd, 449, 139, 10.1016/j.jallcom.2006.01.144 American Society for Testing and Materials. ASTM Standard B328-96 (Reapproved 2003), Philadelphia, PA: ASTM; 2003. Karageorgiou, 2005, Porosity of 3D biomaterial scaffolds and osteogenesis, Biomaterials, 26, 5474, 10.1016/j.biomaterials.2005.02.002 O’Brien, 2005, The effect of pore size on cell adhesion in collagen–GAG scaffolds, Biomaterials, 26, 433, 10.1016/j.biomaterials.2004.02.052 Wilkinson, 1975, Pressure sintering by power law creep, Acta Metall, 23, 1277, 10.1016/0001-6160(75)90136-4 Balla, 2010, Porous tantalum structures for bone implants: fabrication, mechanical and in vitro biological properties, Acta Biomater, 6, 3349, 10.1016/j.actbio.2010.01.046 Kujala, 2003, Effect of porosity on the osteointegration and bone ingrowth of a weight-bearing nickel–titanium bone graft substitute, Biomaterials, 24, 4691, 10.1016/S0142-9612(03)00359-4 Xue, 2007, Processing and biocompatibility evaluation of laser processed porous titanium, Acta Biomater, 3, 1007, 10.1016/j.actbio.2007.05.009 Geetha, 2009, Ti based biomaterials, the ultimate choice for orthopaedic implants–a review, Prog Mater Sci, 54, 397, 10.1016/j.pmatsci.2008.06.004 Wen, 2010, Porous shape memory alloy scaffolds for biomedical applications: a review, Phys Scr, T139, 014070, 10.1088/0031-8949/2010/T139/014070 Assad, 2003, Porous titanium–nickel for intervertebral fusion in a sheep model: Part 1. Histomorphometric and radiological analysis, J Biomed Mater Res Part B, 64, 107, 10.1002/jbm.b.10530 Liu, 2010, Relationship between osseointegration and super-elastic biomechanics in porous NiTi scaffolds, Biomaterials Itala, 2001, Pore diameter of more than 100 μm is not requisite for bone ingrowth in rabbits, J Biomed Mater Res, 58, 679, 10.1002/jbm.1069 Neiner, 2010, Hydrogen-capped silicon nanoparticles as a potential hydrogen storage material: synthesis, characterization, and hydrogen release, Chem Mater, 22, 487, 10.1021/cm903054s Gutowska, 2005, Nanoscaffold mediates hydrogen release and the reactivity of ammonia borane, Angew Chem Int Edit, 44, 3578, 10.1002/anie.200462602 Schlapbach, 2001, Hydrogen-storage materials for mobile applications, Nature, 414, 353, 10.1038/35104634 Schlapbach, 2009, Technology: hydrogen-fuelled vehicles, Nature, 460, 809, 10.1038/460809a