TY - JOUR
T1 - Fabrication and characterization of dual-channeled zirconia ceramic scaffold
AU - Jun, In Kook
AU - Koh, Young Hag
AU - Song, Ju Ha
AU - Kim, Hyoun Ee
PY - 2006/6
Y1 - 2006/6
N2 - A novel porous ceramic with a structure containing two three-dimensional (3D) pore channels in a tetragonal zirconia polycrystals (TZP) ceramic was fabricated using a combination of a CNC-machining method and slurry coating process. A graphite scaffold with a single interconnected 3D channel as a template was prepared using CNC machining and lamination. The surfaces of the graphite scaffold were then coated uniformly with the TZP slurry, followed by heat treatment at 900°C for 3 h in air to remove the graphite material completely via thermal oxidation and at 1400°C for 3 h in air to sinter the TZP walls. This process produced a dual-channeled TZP scaffold with an additional 3D channel, which replicated the 3D graphite structure with the pre-existing channel. The fabricated scaffold showed ultra-high porosity (91), high surface area, and high compressive strength (2.04 MPa), as well as a tightly controlled pore structure.
AB - A novel porous ceramic with a structure containing two three-dimensional (3D) pore channels in a tetragonal zirconia polycrystals (TZP) ceramic was fabricated using a combination of a CNC-machining method and slurry coating process. A graphite scaffold with a single interconnected 3D channel as a template was prepared using CNC machining and lamination. The surfaces of the graphite scaffold were then coated uniformly with the TZP slurry, followed by heat treatment at 900°C for 3 h in air to remove the graphite material completely via thermal oxidation and at 1400°C for 3 h in air to sinter the TZP walls. This process produced a dual-channeled TZP scaffold with an additional 3D channel, which replicated the 3D graphite structure with the pre-existing channel. The fabricated scaffold showed ultra-high porosity (91), high surface area, and high compressive strength (2.04 MPa), as well as a tightly controlled pore structure.
UR - http://www.scopus.com/inward/record.url?scp=33744813527&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33744813527&partnerID=8YFLogxK
U2 - 10.1111/j.1551-2916.2006.00994.x
DO - 10.1111/j.1551-2916.2006.00994.x
M3 - Article
AN - SCOPUS:33744813527
VL - 89
SP - 2021
EP - 2026
JO - Journal of the American Ceramic Society
JF - Journal of the American Ceramic Society
SN - 0002-7820
IS - 6
ER -