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標題: Particulate dispersion and freeform fabrication of BaTiO3 thick films via direct inkjet printing
作者: Tseng, W.J.
Lin, S.Y.
Wang, S.R.
關鍵字: inkjet printing;BaTiO3;nickel;functionally graded materials;ceramic inks
Project: Journal of Electroceramics
期刊/報告no:: Journal of Electroceramics, Volume 16, Issue 4, Page(s) 537-540.
A piezoelectric drop-on-demand inkjet printer was used to print BaTiO3-Ni functionally graded thick films onto porous substrates of computer-defined patterns without the need of prior mold tooling and the use of masks. The inkjet deposits were built up from a sequential delivery of ink droplets expelled from the print-head orifice with a precise location-registration capability upon multiple printings. A uniform dispersion of the particle-filled liquid inks was a prerequisite for a successful printing, and an addition of propylene glycol facilitated the nanoparticles dispersion in evaporative ethanol-isopropanol solvents. Typical line width of the inkjet-printed patterns was as narrow as 200 mu m, and a maximum film thickness attainable exceeded 20 mu m. A uniform concentration gradient of the dissimilar phases was evident along the thickness direction of the printed functional films.
ISSN: 1385-3449
DOI: 10.1007/s10832-006-9913-1
Appears in Collections:材料科學與工程學系

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