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Nanoindentation Measurements for B2O3-Y-TZP Electrolyte Used in HT-SOFC

机译:用于HT-SOFC的B2O3-Y-TZP电解质的纳米狭窄测量

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Nanoindentation analysis used to evaluate mechanical characterizations including elastic modulus, yield stress, hardness, and fracture strength of doping B2O3 in yttria stabilized tetragonal zirconia (B2O3-Y-TZP) to use as electrolyte in solid oxide fuel cell worked at high temperature (HT-SOFC). X-ray diffraction (XRD) one of rapid analytical technique primarily used for phase identification and microstructure of sintered electrolyte. Scanning electron microscopy (SEM) have been utilized for morphology studies of the sintered specimens. B2O3 doped Y-TZP specimens obtained elastic modulus(E) 6.42E+10 Pa with yield stress σ (N/m2) as much as 1.63E+17 hardness as much as 465kg/mm~2, and fracture strength as much as 3.1393E+17 MPa.Ml/2. While crystallite size of B2O3 doped Y-TZP estimated to be 137 nm, and the grain size of B2O3 doped Y-TZP was estimated to be 426 nm.
机译:用于评估在ytTria稳定的四方氧化锆(B2O3-Y-TZP)中掺杂B2O3的弹性模量,屈服应力,硬度和断裂强度的机械表征,以在高温下使用的固体氧化物燃料电池中的电解质(HT- SOFC)。 X射线衍射(XRD)一种快速分析技术之一,主要用于烧结电解质的相位鉴定和微观结构。扫描电子显微镜(SEM)已被用于烧结标本的形态学研究。 B2O3掺杂Y-TZP样品得到弹性模量(e)6.42e + 10pa,屈服应力σ(n / m 2)多达1.63e + 17硬度,多达465kg / mm〜2,裂缝强度高达3.1393 e + 17 mpa.ml/2。虽然B2O3掺杂Y-TZP的微晶尺寸估计为137nm,但估计B2O3掺杂Y-TZP的晶粒尺寸为426nm。

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