High-temperature high-pressure crystallization and sintering behavior of brookite-free nanostructured titanium dioxide: in situ experiments using synchrotron radiation

Nicula R.; Stir M.; Schick C.; Burkel E.

首页> 外文期刊>Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems >High-temperature high-pressure crystallization and sintering behavior of brookite-free nanostructured titanium dioxide: in situ experiments using synchrotron radiation

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High-temperature high-pressure crystallization and sintering behavior of brookite-free nanostructured titanium dioxide: in situ experiments using synchrotron radiation

机译：不含板钛矿的纳米结构二氧化钛的高温高压结晶和烧结行为：使用同步辐射的原位实验

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The formation, stability and physico-chemical properties of TiO2 powders are strongly influenced by the actual synthesis and processing routes employed. Pure and metal-doped nanostructured TiO2 samples were obtained using the sot-gel method. In situ X-ray diffraction (XRD) experiments using synchrotron radiation were performed to explore the high-temperature/high-pressure stability and sintering behavior of these nanomaterials. The present results show a strong decrease of the anatase-to-rutile transition temperatures with increasing applied pressure, thus opening new perspectives for the development of efficient low-temperature sintering procedures. (C) 2003 Elsevier Science B.V. All rights reserved. [References: 25]

机译：TiO2粉末的形成，稳定性和物理化学性质在很大程度上受到所采用的实际合成和加工路线的影响。使用sot-gel方法获得纯的和金属掺杂的纳米结构TiO2样品。进行了使用同步加速器辐射的原位X射线衍射（XRD）实验，以探索这些纳米材料的高温/高压稳定性和烧结行为。目前的结果表明，随着施加压力的增加，锐钛矿到金红石的转变温度大大降低，从而为开发有效的低温烧结程序开辟了新的前景。（C）2003 Elsevier Science B.V.保留所有权利。 [参考：25]

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《Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems》 |2003年第1期|共8页
作者
Nicula R.; Stir M.; Schick C.; Burkel E.;
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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Nanomaterials; Sol-gel synthesis; Phase transitions; Bulk nanocrystalline tio2; Phase-transformation; Structural transformations; Size; Stabilization;

机译：纳米材料;溶胶凝胶合成;相变;本体纳米晶二氧化钛;相变;结构转变;尺寸;稳定化;

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1. High-temperature high-pressure crystallization and sintering behavior of brookite-free nanostructured titanium dioxide: in situ experiments using synchrotron radiation [J] . Nicula R., Stir M., Schick C., Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems . 2003,第1期

机译：不含板钛矿的纳米结构二氧化钛的高温高压结晶和烧结行为：使用同步辐射的原位实验
2. A new mini-triaxial cell for combined high-pressure and high-temperature in situ synchrotron X-ray microtomography experiments up to 400°C and 24 MPa [J] . Marco Voltolini, Harold Barnard, Patrice Creux, Journal of synchrotron radiation . 2019,第1期

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3. Deformation of olivine under mantle conditions: An in situ high-pressure, high-temperature study using monochromatic synchrotron radiation [J] . Nadege Hilairet, Yanbin Wang, Takeshi Sanehira, Journal of geophysical research. Solid earth: JGR . 2012,第B1期

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5. Pressureless Sintering and Mechanical Properties of Silicon Carbon Composites with in-situ Converted Titanium Dioxide to Titanium Carbon [D] . Ahmoye, Daniel 2010

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7. In situ Investigation of Titanium Powder Microwave Sintering by Synchrotron Radiation Computed Tomography [O] . Yu Xiao, Feng Xu, Xiaofang Hu, 2016

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High-temperature high-pressure crystallization and sintering behavior of brookite-free nanostructured titanium dioxide: in situ experiments using synchrotron radiation

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