2015
DOI: 10.1007/s10832-015-9997-6
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Electrical and mechanical properties of 25 wt% tetragonal/cubic zirconia based composite thin films prepared by combination of aqueous tape casting and net shape methods

Abstract: Yttria doped zirconia based are the most important solid electrolytes for high temperature solid oxide fuel cell application. In this study, the tetragonal/cubic zirconia composite thin films are prepared by combination of aqueous tape casting and net shape method. The phases and microstructure of the samples are studied by X-ray diffraction and scanning electron microscope respectively. The microhardenss and toughness of thin films are measured by Vickers microhardness test. The nanohardness and Young's modul… Show more

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Cited by 3 publications
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“…Doping zirconia with various cations such as Ca 2+ , Mg 2+ , Sc 3+ , Y 3+ , and some other rare earth metal cations such as Yb 3+ , Gd 3+ , Nd 3+ , and Sm 3+ result in the formation of stabilized zirconia with fcc cubic structure that offers excellent ionic conductivity, particularly above 1000 • C [15]. Introducing certain amounts of the tetragonal gadolinia (Gd 2 O 3 ) into the zirconia structure can create a stable gadolinium zirconate with various cubic, tetragonal, and monoclinic phases offering high ionic conductivity and thermal stability [16,17]. Gadolinium-doped zirconia (GDZ: Gd 2x Zr 2(1−x) O 4-x ) can also be used as a promising alternative top coating material to improve the conductivity and thermochemical stability of YSZ [18,19].…”
Section: Introductionmentioning
confidence: 99%
“…Doping zirconia with various cations such as Ca 2+ , Mg 2+ , Sc 3+ , Y 3+ , and some other rare earth metal cations such as Yb 3+ , Gd 3+ , Nd 3+ , and Sm 3+ result in the formation of stabilized zirconia with fcc cubic structure that offers excellent ionic conductivity, particularly above 1000 • C [15]. Introducing certain amounts of the tetragonal gadolinia (Gd 2 O 3 ) into the zirconia structure can create a stable gadolinium zirconate with various cubic, tetragonal, and monoclinic phases offering high ionic conductivity and thermal stability [16,17]. Gadolinium-doped zirconia (GDZ: Gd 2x Zr 2(1−x) O 4-x ) can also be used as a promising alternative top coating material to improve the conductivity and thermochemical stability of YSZ [18,19].…”
Section: Introductionmentioning
confidence: 99%