2013
DOI: 10.1016/j.matdes.2013.01.005
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Highly porous open cell Ti-foam using NaCl as temporary space holder through powder metallurgy route

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Cited by 169 publications
(88 citation statements)
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“…Introduction Titanium based foams are widely used as hard tissue implants due to suitable specific strength, excellent corrosion resistance and good osseointegration [1][2][3][4]. In order to fabricate porous structures, previous investigators have used powder metallurgical and space holder techniques with sodium chloride [5][6][7][8], ammonium hydrogen carbonate [9], magnesium powder [10], polymer granules [11][12][13], starch [14], carbamide [15,16] and steel wires [17,18] for foam production. Studies on the effect of size and shape [19][20][21] showed that implant compacts with porous-shells had much higher compressive strength than human bones; while the sudden change from solid core to the porous shell caused stress concentration at the core|shell interface.…”
mentioning
confidence: 99%
“…Introduction Titanium based foams are widely used as hard tissue implants due to suitable specific strength, excellent corrosion resistance and good osseointegration [1][2][3][4]. In order to fabricate porous structures, previous investigators have used powder metallurgical and space holder techniques with sodium chloride [5][6][7][8], ammonium hydrogen carbonate [9], magnesium powder [10], polymer granules [11][12][13], starch [14], carbamide [15,16] and steel wires [17,18] for foam production. Studies on the effect of size and shape [19][20][21] showed that implant compacts with porous-shells had much higher compressive strength than human bones; while the sudden change from solid core to the porous shell caused stress concentration at the core|shell interface.…”
mentioning
confidence: 99%
“…NaCl and PMMA were chosen as the space holders. NaCl proved to be a better choice as a temporary space holder because it can be removed easily through dissolution in water and non-toxic, which is suitable for bio-implant application (Jha et al 2013). Table 1 shows the size and density of the raw materials used in this study.…”
Section: Methodsmentioning
confidence: 99%
“…Por ejemplo, se podría dar poros esféricos o angulares con diferentes tamaños de poro. La elección del espaciador debe ser tal que se descomponga químicamente a bajas temperaturas [7]. Una nota importante es evitar la contaminación del polvo tanto como sea posible.…”
Section: Introductionunclassified