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2012-05-21 09:44   审核人:

题目:The Workshop of Solidification Processing 2:Solute Partition and Segregations of Multi-component Alloys

主持人:介万奇 教授

时间:2012520-525

地点:公字楼334(凝固实验室学术报告厅)

IntroductionSolidification phenomenon covers many scientific principles and engineering applications. In the last decades, lots of progress have been achieved about modeling of the solidification process both for the basic principles and the applications, such as preparation of bulk metallic glass, shape casting, ingot casting, semi-solid processing, directional solidification, spin quenching of melts, powder metallurgical processing, etc.. However, quantitative description theories on the solidification processes are still expected on different topics, such as melt structure and nucleation, crystal growth morphology of multi-component alloys, solute partition and segregation, coupling growth of multi-phase solidification, glass forming ability of metallic alloys, and so on, which share similar principles with condensed solid physics and chemistry. Here in the State Key Laboratory of Solidification Processing, we are going to organize a series of workshops on the solidification principles in Xi’an. Each of them will be confined to only one limited topic in a small group.

For the first one, we discussed on the topic of melt structure and nucleation from May 30 to June 2, 2011, which was thought as a great success. As the second workshop of solidification, we will choose the topic of solute partition and segregations of multi-component alloys. For this workshop, we will invite the scientists, who are interested in underlining scientific principles with those who are interested in engineering applications together to hold some discussions on the following topics:

n         Thermodynamic principles for the solute partition during the solidification of multi-component alloys

n         Phenomenological description of segregations

n         Predication of solidification path based on thermodynamic and kinetic analysis

n         Formation principles of micro-scale segregations

n         Formation principles of macro-scale segregations

n         Formation principles of channel segregations

n         Methods for controlling segregations

 

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