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首页> 外文期刊>International Journal of Electrochemical Science >Oriented texture of Y-doped La10Si6O27 Ceramic prepared by rapid solidification method
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Oriented texture of Y-doped La10Si6O27 Ceramic prepared by rapid solidification method

机译：快速凝固法制备掺Y的La 10 Si 6 O 27 陶瓷的取向织构

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摘要

Oriented texture La9.33Y0.67Si6O27 ceramic was successfully synthesized by laser rapid solidificationmethod. The La9.33Y0.67Si6O27 crystal was formed only after Yttrium was added into the La10Si6O27ceramic under the sintering of CO2 continuous wave laser. As for pure La10Si6O27, the oriented textureceramic could not be sinterable directly. Even the La10Si6O27 preparing by high temperature solid statereaction begins to decompose under laser sintering. The result shows that the suitable sintering laserpower of texture La9.33Y0.67Si6O27 ceramic is 400W. Thermal expansion coefficient of La9.33Y0.67Si6O27-6 -1 -6 -1 -6 -1 o o o is 7.710 K , 7.760 K and 7.830 K at 600 C, 650 C and 700 C, respectively. The cell withtextured La9.33Y0.67Si6O2 shows a better output power density than that of La10Si6O27.The data suggestthat the texture and lower thermal expansion La9.33Y0.67Si6O27 ceramic could be prepared by Yttriumsubstitution using laser sintering for the high oxide ion conduction.
机译：通过激光快速凝固法成功合成了取向织构La9.33Y0.67Si6O27陶瓷。 La9.33Y0.67Si6O27晶体仅在将CO2连续波激光烧结后将钇加入La10Si6O27陶瓷中后形成。对于纯La10Si6O27，定向织构陶瓷不能直接烧结。甚至通过高温固态反应制备的La 10 Si 6 O 27在激光烧结下也开始分解。结果表明，织构La9.33Y0.67Si6O27陶瓷的合适烧结激光功率为400W。 La9.33Y0.67Si6O27-6 -1 -6 -1 -6 -1 -1 o o o o在600 C，650 C和700 C时的热膨胀系数分别为7.710 K，7.760 K和7.830K。具有La9.33Y0.67Si6O2织构的晶胞比La10Si6O27表现出更好的输出功率密度。数据表明，可以通过钇置换使用激光烧结制备La9.33Y0.67Si6O27的织构和较低的热膨胀，以实现高氧化物离子传导。

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