UV Raman spectroscopic study on the surface phase of ZrO2 modified with Nd2O3

Zhang, Jing; Shi, Yan; Yuan, Mengqiong; Wang, Xiang; Li, Can

doi:10.1016/j.matlet.2010.10.002

Cited by 4 publications

(1 citation statement)

References 21 publications

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“…RE doping increases the sinterability and decreases the thermal conductivity and it makes the composite most suitable for TBC applications [6]. The effects of Nd 2 O 3 on the structural and mechanical properties of YSZ have been studied by many researchers earlier [7][8][9][10]. The addition of Nd 2 O 3 to YSZ forms pyrochlore crystal structure of Nd 2 Zr 2 O 7 .…”

Section: Introductionmentioning

confidence: 99%

Nd₂O₃ DOPED YTTRIA STABILIZED ZIRCONIA CERAMICS FABRICATED BY CONVENTIONAL AND MICROWAVE SINTERING METHODS

Muthuchamy¹

2018

Ceramics - Silikaty

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Cubic 8 mol. % yttria stabilized zirconia (8YSZ) ceramics doped with 9, 12 and 15 wt. % Nd 2 O 3 were sintered in a single mode 2.45 GHz microwave furnace at sintering temperature of 1400 °C for 20 min. and by conventional sintering at 1400 °C for 5 h. The microwave sintered samples attained higher densities than the conventional processed ones. The Nd 2 O 3 additions have adverse effects on densification of 8YSZ ceramics. The XRD investigations revealed that, cubic phase of 8YSZ remained stable and substitution of Zr 4+ ions by larger Nd 3+ ions causes an increase in the lattice parameters with Nd 2 O 3 additions. Vickers hardness of 8YSZ decreased with addition of Nd 2 O 3 irrespective of the sintering technique.

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Section: Introductionmentioning

confidence: 99%

Nd₂O₃ DOPED YTTRIA STABILIZED ZIRCONIA CERAMICS FABRICATED BY CONVENTIONAL AND MICROWAVE SINTERING METHODS

Muthuchamy¹

2018

Ceramics - Silikaty

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On the Uniqueness of Limit Cycles in a Generalized Liénard System

Zhang

Yan

2019

Qual. Theory Dyn. Syst.

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Kooij and Sun (J Math Anal Appl 208:260-276, 1997) proposed a theorem to guarantee the uniqueness of limit cycles for the generalized Liénard system dx/dt = h(y) − F(x), dy/dt = −g(x). We will give a counterexample to their theorem. Moreover, we shall give some sufficient conditions for the existence, uniqueness and hyperbolicity of limit cycles. Keywords Generalized Liénard systems • Limit cycle • Uniqueness • Hyperbolicity where the functions in (1) are assumed to be continuous and such that uniqueness for solutions of initial value problems is guaranteed. We define, as usual, G(x) := x 0 g(s)ds and H (y) := y 0 h(s)ds. Huang and Sun [8] have shown a theorem to B Ping Yan

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Effect of surface loading and bulk doping of La 3+ on the thermal stability and photocatalytic activity of Bi 2 O 2 CO 3

Zhang

Chen

et al. 2017

Materials Research Bulletin

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UV Raman spectroscopic study on the surface phase of ZrO2 modified with Nd2O3

Cited by 4 publications

References 21 publications

Nd₂O₃ DOPED YTTRIA STABILIZED ZIRCONIA CERAMICS FABRICATED BY CONVENTIONAL AND MICROWAVE SINTERING METHODS

Nd₂O₃ DOPED YTTRIA STABILIZED ZIRCONIA CERAMICS FABRICATED BY CONVENTIONAL AND MICROWAVE SINTERING METHODS

On the Uniqueness of Limit Cycles in a Generalized Liénard System

Effect of surface loading and bulk doping of La 3+ on the thermal stability and photocatalytic activity of Bi 2 O 2 CO 3

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