Porous Titanium by Electro-chemical Dissolution of Steel Space-holders

Titanium powders are densified together with steel spheres, wires or wire meshes which are subsequently removed by electrochemical dissolution, creating porosity that replicates the steel space‐holders. Interdiffusion between steel and titanium is prevented by formation of a TiC diffusion barrier. W...

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Veröffentlicht in:Advanced engineering materials 2008-09, Vol.10 (9), p.820-825
Hauptverfasser: Kwok, P. J., Oppenheimer, S. M., Dunand, D. C.
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container_title Advanced engineering materials
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creator Kwok, P. J.
Oppenheimer, S. M.
Dunand, D. C.
description Titanium powders are densified together with steel spheres, wires or wire meshes which are subsequently removed by electrochemical dissolution, creating porosity that replicates the steel space‐holders. Interdiffusion between steel and titanium is prevented by formation of a TiC diffusion barrier. Without this barrier, a Fe‐containing titanium zone adjacent to the space‐holder is formed which can be removed electrochemically, thus increasing the size and volume fraction of the pores.
doi_str_mv 10.1002/adem.200800072
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subjects Metal foams
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Titanium
title Porous Titanium by Electro-chemical Dissolution of Steel Space-holders
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