Design and application of a high-temperature microfurnace for an in situ X-ray diffraction study of phase transformation

被引：10
|
作者：
Eu, W. S. [1 ]
Cheung, W. H. [1 ]
Valix, M. [1 ]
机构：
[1] Univ Sydney, Sch Chem & Biomol Engn, Sydney, NSW 2006, Australia
来源：
JOURNAL OF SYNCHROTRON RADIATION | 2009年 / 16卷
关键词：
furnace; in situ X-ray diffraction; ilmenite; phase transformation; REDUCTION; MECHANISM; CELL;
D O I：
10.1107/S090904950903115X
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Thermal treatment of mineral ores such as ilmenite can initiate phase transformations that could affect their activation or deactivation, subsequently influencing their ability to dissolve in a leaching agent. Most laboratory-based X-ray diffraction (XRD) studies were carried out ex situ in which realistic diffraction patterns could not be obtained simultaneously with occurring reactions and were time-consuming. The availability of synchrotron-radiation-based XRD not only allows in situ analysis, but significantly shortens the data recording time. The present study details the design of a robust high-temperature microfurnace which allows thermal processing of mineral ore samples and the simultaneous collection of high-resolution synchrotron XRD data. In addition, the application of the manufactured microfurnace for in situ study of phase transformations of ilmenite ore under reducing conditions is demonstrated.
引用
收藏
页码：842 / 848
页数：7
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