Ying Liu, Wen-Chih Lin, Bangfei Zhou, Xianghui Guo, Hao Cai, T. Zheng, B. Ding, Y. Zhong, Lei Zhang
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Ex-situ study of diffusion in liquid Al–Cu melts under a transverse magnetic field using X-ray imaging
ABSTRACT Al–Cu melts were used to study interdiffusion under a transverse magnetic field (TMF) using X-ray imaging. A novel gravity-assisted automatic docking device was used to create a long capillary of the diffusion couple. Compared with the results acquired using energy-dispersive spectroscopy, X-ray imaging is more convenient and accurate to determine concentration profiles along long capillaries using the numerous gray value intensities in the imaging. Because a TMF can inhibit melt convection, the interdiffusion coefficient (D AlCu) was reduced after applying a TMF of 2 T. Our results demonstrate that the application of X-ray imaging is an efficient way to study ex-situ diffusion in liquid melts.
期刊介绍：
Philosophical Magazine Letters is the rapid communications part of the highly respected Philosophical Magazine, which was first published in 1798. Its Editors consider for publication short and timely contributions in the field of condensed matter describing original results, theories and concepts relating to the structure and properties of crystalline materials, ceramics, polymers, glasses, amorphous films, composites and soft matter. Articles emphasizing experimental, theoretical and modelling studies on solids, especially those that interpret behaviour on a microscopic, atomic or electronic scale, are particularly appropriate.
Manuscripts are considered on the strict condition that they have been submitted only to Philosophical Magazine Letters , that they have not been published already, and that they are not under consideration for publication elsewhere.
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